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ABOUT EMAIL HEADERS. This limit is typically set at 10 DNS lookups, and if the email server exceeds this limit, it may reject the email as potentially fraudulent. Put the most important 10 lookups in the SPF record and rely on DKIM for the rest for DMARC. With the SPF lookup you analyze the SPF record of a domain for errors, security risks and authorized IP addresses. com is as follows: v=spf1 include:_spf. SPF record flattening (automatically) Feedback Feature Request Submitting & Feedback. r53spflat is an extension to sender-policy-flattener which is a different project maintaind by centanu. With Dynamic SPF Flattening, organizations are likely to create a centralized SPF record that includes. universalspf. spf. Otherwise, the presence of each one of. SPF is a DNS-based mechanism for defining a whitelist of mail servers that can send email on your domain’s behalf. Fraudmarc. 108. By listing all the sending sources authorized to send email from your domain, you can block email spoofing attempts from outsiders. net ~all . SPF specification has a limit on the number of DNS lookups (10) required to fully resolve an SPF record. The complete package. The problem arises from the possibility that a customer uses several separate mail service providers, each of which offers an inclusion mechanism that must be added to DNS in order to authenticate emails using SPF. com to refer directly to the thirdparty SPF records; thus removing 2 from our count. We will explain how automatic/dynamic SPF record flattening can solve this problem below. Create Ticket You can create a new ticket. This allows SPF authentication to avoid looking up DNS records altogether since your email server simply provides the actual IP address from the start. mimecast. Choose Define simple record. On the results page, click "Edit and Organize”. SPF records only permit 10 ‘lookups’ to lessen the strain on the email receivers’ side and issues with SPF modifications. Clean up the record from duplicate sources. If you use multiple email service providers, then flattening the SPF record every time is even harder and error-prone. Some basic SPF things to know: (SPF stands for Sender Policy Framework. 141The SPF (Sender Policy Framework) redirect is a record modifier that points to a separate domain name containing an SPF record. Reducing Risks of Misconfigurations. 1. Then those records contain IP values that used to be part of the main SPF record. SPF (Sender Policy Framework) is an email authentication protocol designed to detect email spoofing and prevent unauthorized senders from sending messages on behalf of a particular domain. Click “+ Add Row” to create a new record. SPF record flattening is great. Additional information regarding this can be found here. Use an automated service that flattened the record and then keeps it updated. Mailhardener helps you secure and monitor your domain from being used for fraud and spam. This process can be useful when trying to troubleshoot SPF issues or when needing to share SPF records with others. Look Up DKIM Record. com) Import DNS SPF record into system. Put the most important 10 lookups in the SPF record and rely on DKIM for the rest for DMARC. Flatten the SPF record manually and monitor it closely with a script. Exceeding the Maximum Limit of 2 Void Lookups. To run an SPF check, enter the domain in question, and it will fetch the SPF record (if any) from the DNS. The SPF record is a TXT record, so you need to publish it in your DNS as a TXT record as follows: Navigate to the DNS for your desired domain. Gmail: 4/10 records; Salesforce: 8/10 records; Office 365: 2/10 records; Additional third-party tools and platforms add even more records. That’s why we’re launching Universal SPF, an in-line upgrade to traditional SPF. This limitation restricts the number of DNS lookups that can be performed when an SPF record is evaluated. By. SPF Pass Rates for Verified Sources AutoSPF automatically flattens and compresses all domains within the SPF, eliminating the need for additional DNS lookups. SPF Flattening. 100% SPF Focus. This service was brought to you by ORF, our award-winning email security solution for Microsoft® Exchange and IIS SMTP servers. You can use free online SPF tools for various tasks including generating an SPF record and checking an existing SPF record. Through "flattening" an SPF record, one can reduce the number of DNS-querying mechanisms/modifiers so that it's smaller than 10. Access your DNS management console. "SPF flattening" is one solution to the SPF search boundary. The guidance should be a bit clearer that setting up new, unused domains should have a hardfail from the start, and that softfail is for implementing SPF on existing domains. A DNS query of type TXT should result in 1 TXT record that starts with v=spf1. Then building your SPF records completely out of IP addresses. DMARC and SPF flattening service I am in need of a reputable DMARC email analysis and SPF flattening service (turns dns dmarc records into ip list so its not over 10 dns requests) I need a reputable service as this could affect our outgoing emails. It is based on real-time information in the include statement. Your original TXT record which causes more than 10 DNS look-ups should be saved as an otherwise. You can use this tool to split a DNS resource record value into 255 character parts. In the SPF/SIDF Verification section, click Yes. v=spf1 a mx ptr include: secureserver. This isn’t a line item to us. You can fix Permerror by deploying PowerSPF, an SPF Flattenin. Choose Hosted zones. Generate your unique SPF record, publish it on your DNS, and you’re all set!gknaddison May 12, 2023, 4:36pm 1. g GoDaddy. It addresses the challenge of the “10-DNS-Lookup” limit by dynamically flattening SPF records into a single, consolidated record. However, since ISP's change their IP addresses frequently, the flattened IP addresses change accordingly. Use DMARCLY’s Safe SPF feature to fix this issue. SPF record flattening If you search online you will find numerous tools that supposedly optimise your SPF records by flattening all include, a and mx terms into a single, large. SPF-tools "Record flattening" feature at dmarcian SPF Surveyor; License. So we added support for flattening the source spf records as a transformation each time the tool runs. You could theoretically extract the flat IP records from the resulting JSON file and automatically update your DNS configuration. ABOUT SPF RECORD CHECK. Inspect any domain's SPF record and learn how to fix it. Next, go to the ‘add DNS TXT record’ option. Especially with the hard fail. We quickly got over the 10 DNS lookups per SPF record. Note that every SPF record also has a 255 character limit, so if you're using only IPs you'll need to break that up into a lot of SPF records probably. This project implements Sender Policy Framework (SPF) record flattening for CloudFlare managed DNS zones. Directly copy the created SPF record by clicking on the copy button. ; Email Email us with your customer support inquiry. The SPF Record Check is a diagnostic tool that acts as a Sender Policy Framework (SPF) record lookup and SPF validator. If you need help getting copies of your email headers, just read this tutorial. outlook. Use this free SPF wizard to generate the SPF records for your domains. Fully scalable from SMB to enterprise with a budget-friendly price. The article has a 'SPF Record Flattener' at the bottom of the page showing examples of this. The reject DMARC policy can be reached safely, wisely, and quickly thanks to the SPF delegation. Each time an email message hits the email service host, the host looks up in the DNS to perform SPF check. v=spf1 include:emsd1. This project implements Sender Policy Framework (SPF) record flattening for CloudFlare managed DNS zones. you have published the SPF record. The SPF lookup limitation isn’t hard to reach. outlook. Philadelphia 76ers Premier League UFC. It can be. com. The advantage of a fully-automated SPF Flattening service is the low-maintenance. Ever since Gmail anounced they’d go stict against senders that don’t have SPF set up properly, we’ve been adding all our email sending services to our SPF DNS record. google. This eliminates the need for DNS lookups. It makes the distinction between a DMARC domain and an SPF domain which delivers the correct SPF entries at the right place in your DNS. com ~all your new SPF record. com's IP addresses directly into your domain's SPF record to "flatten it", however then you need to manually keep up with appriver's changes. Sender Policy Framework (SPF) has certain. Since SPF flattening is a time-consuming manual process, it’s ripe for automation. Provided the latter is true, yes, you can do what you propose: a on its own (or +a, for they are equivalent) translates to permit all the IP addresses that are returned when I resolve the naked domain name of the address in question. com ~all. The lookup count includes sub-lookups (it's recursive. SPF errors are widespread because simple tasks like activating new email vendors can overflow and. SPF records usually contain ‘include’ statements that refer to other. Our SPF record testing tool also advises on optimizing the. No Extra Suite of Tools Needed. Contact us via Email, Phone, or TicketThe procedure for SPF flattening is quite simple. We are hiring! Login; Sign Up FreePartial Safe SPF for Non-flattenable SPF Includes. The 10 DNS lookup limit is a restriction imposed by many DNS resolvers, which limits the number of DNS queries that. It also features a DNS lookup counter. One of the limitations that SPF introduced is the 10 DNS lookup limit. If a flattened SPF record has more than 450 characters, the record must be split up and managed separately; SPF flattening can exceed 10 DNS lookup limitation but needs to include SPF. Simple enter your SPF record, click the Check SPF Record button, then scroll down to the Flattened SPF record section below to find the flattened SPF record. 1 day ago · Samsung Galaxy Tab S9 (11-inch, 256 GB) Tablet + $100 Best Buy Gift Card Bundle — Upgrade Pick. In practical terms, this means that if your SPF record includes too many "include" mechanisms, "a. Opensense Blog: SPF Flattening: The Secret To Boost Your Email Deliverability Products Integrations Pricing Resources Sign In Get a demo You've. ZERO MAINTENANCE. When merging multiple SPF records, you can use v=spf1 only once in the beginning and all only once at the end. Easily configure SPF for your domain with just a few clicks; One-click instant SPF record flattening with a single include statement to enjoy automatic SPF include management; Always stay under the 10 DNS lookup limit; Auto-update netblock and scan for changed IP addresses constantly to keep your SPF record up-to-dateA: As part of the monitoring process, the SPF Delegation services will perform background checks on configured sources included in the SPF. 4 billion emails were sent and received each day in 2020, the figure is expected to increase to over 361. However, since ISP's change their IP addresses frequently, the flattened IP addresses change accordingly. 0 license Activity. zwagerman December 1, 2021, 3:34pm 1. net ~all. Pointing SPF to Valimail is perfectly safe and it will not cause any deliverability issues if your domain is at DMARC policy p=None. General Usage. For anyone that has faced issues with SPF records, e. This tool - spflat - solved many problems and has some excellent features and characteristics. 2. How to flatten a PDF in less than. This isn’t a case where spam emails are being sent from your own domain. 200. Flattening your SPF record is the process of replacing all include mechanisms with their respective IP addresses to eliminate the need for performing DNS lookups. SPF Macros address this concern by effectively concealing authorized sources from cybercriminals. The Sender Policy Framework (SPF) is an email authentication protocol designed to prevent email spoofing, a common technique used in phishing attacks and email spam. _your-unique-id. If you are looking for an SPF flattening tool you already know what SPF flattening is. SPF is the cornerstone of your email delivery strategy. First, sign in to your domain’s management console, choose which domain you’re adding an SPF record to, and go to ‘manage DNS records. Essentially, these services employ method #2, but do some backend work every few hours to check and update the IP addresses. For Routing policy, choose Simple routing. EasyDMARC is an effective Dynamic SPF Flattening. However, some domains have SPF records requiring 10+ DNS queries, which results in SPF validation failures and deteriorated email deliverability. What is SPF flattening? Print. More DNS lookups = More problems. PowerSPF is a one-click auto SPF Record with unlimited lookups that never fails the 10 DNS Lookup limit! An Automatic SPF flattening approach to your Sender. DMARC records when configured in the right way can benefit you in more ways than one. You won't know if they make a change until you possibly start having bounces. SPF flattening empowers startups to manage their expanding email ecosystem efficiently during critical stages of growth. We have 11 DNS entries, some brought in by recursion (thanks gmail!) The ip4 and ip6 entries do not contribute, only things that cause a DNS lookup count. If you are looking for an SPF flattening tool you already know what SPF flattening is. 6 billion daily emails in 2024. Ordered by analysis feature cost-efficiency (feature cost comparisons and additional context will be added soon) Postmark by ActiveCampaign - Free-tier available. All Tools; Dns Propagation Check. 3. Copy the value of the SPF record, and then choose Create record. While the limit is extremely easy to exceed when you use multiple vendors to send your emails, staying under the limit is just as easy with an auto SPF flattening tool. The only way to stay under the 10 maximum is to drop something. No control panel to learn. I’m leaning toward option #6 and have been searching around. That’s over 1 Billion inboxes you could be missing! MxToolbox Delivery Center Plus provides the best solution for setting up and monitoring your DMARC, DKIM and SPF compliance rates. MxToolbox offers an SPF Flattening tool as part of our Delivery Center Plus plan. 2. Sender Policy Framework, more commonly known as SPF, is an email authentication standard that allows a domain owner to authorize the use of its domain in email messages, with such authorization tied to the physical source of the message. You will need to add the missing senders to your SPF record or use an SPF Flattening tool. This tool can flatten SPF records for free for you. Award winning e-mail security and monitoring software for Microsoft Exchange and IIS. While Safe SPF overcomes the 10-DNS-lookup limit in SPF, sometimes it's desirable to flatten only a part of your SPF record, while leaving the rest as is. If a DNS query results in more than one SPF record, there will be no guarantee which one will be used. As of today, every known server and mail gateway that was capable of traditional SPF now supports Universal SPF. net include:anotherSite. The best way to bypass the 10 DNS lookup limit is to flatten DNS records and provide the domain IP address directly. If you have over 10 DNS lookups, you’ll want to use an SPF flattening tool. You will need to add the missing senders to your SPF record or use an SPF Flattening tool. Note that if you check the newly published SPF record, it might take up to 1 hour before it appears in whatever tool you use to check it, due to DNS propagation. SPF record flattening. These include your own servers, your corporate Inbox Provider, 3rd party marketing tools, CRMs, etc. 0 runtime; PowerDNS server with a configured API key; AutoSPF account; Usage. The DNS lookup is done directly against the domain's authoritative name server, so changes to DNS Records should show up instantly. Authorize desired IP addresses. You could do this manually, but then you have to update your SPF records every time one of the providers changes their IPs (which happens frequently). The increasingly widespread use of SaaS email service providers such as Exchange Online, G-Suite, Amazon SES, SendGrid and others is a challenge for email administrators. Or call us + 1 (866)-698-6652. exceed 10 host lookup limit. SPF record flattening. It provides a simple, intuitive system to help manage your complex SPF configurations. At PowerDMARC, our users configure PowerSPF which is an effective SPF flattening tool. What we like: Our. With a surge in phishing attacks and other email-based threats, businesses need robust and effective tools to protect their. SPF allows up to 10 DNS queries upon validation. SPF Manager treats the SPF open standard as defined by the RFC. We are hiring! Login; Sign Up FreeTraditional SPF flattening services can inadvertently expose authorized IPs and sending sources to potential fraudsters. Value: v=spf1 include:spf. Traverses all the email senders included in your SPF record to generate a complete. com include:_sampledomain2. spf. That’s why we’re launching Universal SPF, an in-line upgrade to traditional SPF. 3. If you locate more records, then they need to be merged. 4. In an attempt to reduce the number of DNS lookups occurring against our DNS SPF record I have written a PowerShell script which will extract out all of the allowed IP addresses from a SPF netblock (i. • February 24, 2023 Email Security Insights Technical Guidance SPF Related Posts SPF Surveyor: See your SPF Record Activity With a complicated and bloated SPF record,. Using the SPF email protocol, an organization can publish a list of authorized mail servers in an SPF record that appears in its DNS record. org include:sendgrid. google. Yes, the third party service Valimail does things programmatically like this, effectively giving each IP address a lookup in their. During the lookup process, the SPF record is retrieved from the sender’s domain’s DNS. For example, if your SPF record initially looked something like this: v=spf1 include:spf. Contact us via Email, Phone, or TicketSplitting a long SPF TXT record When to split your DNS record vs flatten it. Previous. ” Flattening is simply replacing all the domains in the SPF record with their IP addresses, which eliminates the need for DNS lookups. Click the pencil icon next the record you want to edit. That limit is 10. Ecosystem News Email Security Insights Inside dmarcian. When using SPF email authentication, each time an email is sent from a domain to the recipient’s domain, the recipient’s email server performs DNS query requests, also known as DNS lookups, to check for existing authorized IP addresses in your DNS and compare them to. 1 Like. example. In some cases, people turn to SPF flattening tools to work around the 10 DNS lookup limit. com as an example. Tools. If you don't, you probably don't need one yet. v=spf1 include:_spf. Guaranteed best prices of DMARC, SPF, BIMI, MTA-STS, TLS. Access your account. This ensures that your record is short, crisp, and valid. protection. Step 9: Click on Automatic Setup and replace your existing SPF record with the automatically generated SPF record. Set the level of conformance (the default is SIDF-compatible). We flatten the SPF entries (so you stay under the 10/10 DNS lookups) under one include. Search for jobs related to Spf flattening tool or hire on the world's largest freelancing marketplace with 22m+ jobs. It is also called an SPF record compression. Together, they help prevent spammers, phishers, and other unauthorized parties from sending emails on behalf of a domain * they do not own. Route53 SPF Flattener. More DNS lookups = More problems. SPF1 and SPF2 would look like this with all IP's. You only need to provide the list of IP addresses allowed, and the team will take care of creating the SPF records and compressing it if required. A domain can have no more than one SPF record. Hello, I am hoping for advice please, on the best way to reduce the number of additional DNS lookups on our SPF record. Varying. 1 – Processing Limits states: SPF implementations MUST limit the number of mechanisms and modifiers that do DNS lookups to at most 10 per SPF check, including any lookups caused by the use of the "include" mechanism or the "redirect" modifier. za ; 1: include:za. Got a bad DNS record? We can help. edgerc (based on Akamai instructions ). SPF permerror can be a result of your DNS lookup limit exceeding the permitted threshold of 10. ourDomainName. The good news. SPF Macros Explained. somesite. You may also check each MX record (IP Address. Readme License. Free SPF flattening? This tool can flatten SPF records for free for you. You can fix Permerror by deploying PowerSPF, an SPF Flattenin. Set up the record once, and the further changes you make in our platform will be automatically depicted in the DNS. Demystifying SPF Macros. Then those records contain IP values that used to be part of the main SPF record. Press this button and EasyDMARC will reveal all the information about SPF records on your domain. This test will connect to a mail server via SMTP, perform a simple Open Relay Test and verify the server has a reverse DNS (PTR) record. Their blog, MxToolbox: How to Enable SPF, DMARC, and DKIM, is a great guide for setting up SPF, DKIM and DMARC in a single outbound email sender Office 365 configuration. Enter the SPF record that you have already created in the “Value” or “Target” column. Require the SPF record in the DNS so that it can validate it. Fully scalable from SMB to enterprise with a budget-friendly price. • March 2, 2023 Ecosystem News Email Security Insights Inside dmarcian SPF Before taking the extraordinary steps of using SPF Flattening to work around SPF's built-in limits, use DMARC data and dmarcian's platform to. DKIM: DKIM is a method to sign all outgoing messages to help prevent email spoofing. The ‘all’ mechanism was invented for SPF, long before DMARC came and took over the role of policy officer. Maybe part of the confusion starts with the name ‘all’. SPF Flattening. After registering for a free account, add any domains whose SPF you want to flatten / manage. com include:spf. How to Flatten SPF Records. The SPF record has too many characters. We were. The . Something like. MxToolbox SPF Flattening: Reviews the Verified Email Sources and manually added IP addresses currently in the SPF record. For example, you might use a 3rd party bulk emailer like. Dynamic SPF is an OnDMARC feature that allows you to beat the 10 DNS lookup limit in a simple and elegant way. Again, as the canonical answer makes clear, if either the a or. This limitation restricts the number of DNS lookups that can be performed when an SPF record is evaluated. Which is why we’re wanting to investigate SPF flattening, but not sure how other have dealt with this, or what experience others have with record flattening. Name: The hostname or prefix of the record, without the domain name. The best fix is to reconfigure sendgrid or mandrill or qualtrics to use a subdomain for all their sending. org SPF record - check if the IP provided is allowed and respond with an SPF indicating it is allowed or not. Simple enter your SPF record, click the Check SPF Record button, then scroll down to the Flattened SPF record section below to find the flattened SPF record. Our simple DMARC Analyzer pricing packages are based on outbound DMARC-compliant mails only. If you have any queries. When the hashsum of your IP Addresses changes, it will send out an email (or just dump HTML if it can't find an email server) with a handy diff & BIND format for viewing what has changed, and promptly updating it. It is a feature of. By using a flattened SPF record, you can flatten the number of DNS querying mechanisms/lookups to 1. Signup for a Free MxToolbox account to run Free Bulk Lookups for MX, A, DNS, Geo, ASN, SPF & More. Anything else is rejected with a hard fail. It does not look right at all. There is an inherent problem with manual SPF flattening because the mailbox providers may add. Sign up with your email address. Each Manual flattening basically means evaluating your desired SPF record converting all the hostnames into IP addresses along the way. Staying within this limit is challenging and causes an SPF permerror, but AutoSPF’s SPF flattening service can save you. GNU GPL. Creating additional SPF records for subdomains. And for your SPF policy to be effective, it has to be implemented properly on multiple hosts and IP addresses. SPF record flattening can be an easy answer, but is not the. Use an SPF flattening or compressing service like AutoSPF. Because it doesn’t necessarily mean ‘everything’, but. Use an automated service that flattened the record and then keeps it updated. If you’re into commercial email marketing, you. Best Buy deal price: $800; street price: $930. Write the name of the domain as the Host. We define our spf records once (with good comments), and select which records we want flattened out (it can be tricky to fit everything so that it fits in one record and is all under 10 records. The ‘-all’ tag specifies a fail (or hardfail. Thats a question best for StackExchange. autospf. DKIM email authentication's goal is to prove the contents of the mail haven't been tampered with. DMARCian emphasized that it’s crucial to adopt a more secure email authentication method like DKIM or DMARC, which eliminates the need for SPF flattening altogether. You need to always be aware of any changes that could be made by email service providers in their SPF, which you include in your SPF record, and update your flattened SPF record accordingly. One of the “include” values causes 2 DNS lookups and only has a few IPv4 addresses in it, so would. SPF flattening. SPF1 and. You should see that it passes with an output similar to the example below: Example SPF policy details: IP address: 13. SPF flattening is awesome - unfortunately lots of companies are trying to charge huge amounts for managed SPF includes. mimecast. It checks for syntax errors, validates the record's elements, and checks for previously published SPF records. Using the SPF flattening process, SPF. Phone: 1 778 265 0114 Mail: info@timberstonetools. So to avoid 'unreasonable load' on the validator, RFC7208 section 4. Type: TXT. This includes creating and updating these records. SPF flattening came about to be a solution a very specific problem: That a lot of senders utilize multiple service providers, utilizing business email platforms like. If you don't, you probably don't need one yet. 11 hours ago · Bonita Fierce Coquito Candle. com include:spf1. com aren't really adding any value; so we can just drop those records and update example. Timberstone Tools Inc. Bonita Fierce is one of our favorite Latino-owned businesses, and NBC Select updates editor. With this tool you can inspect and validate your SPF DNS record. DMARCLY Everything about DMARC, DKIM, SPF, email authentication, deliverability, anti-spoofing, anti-phishing, security, and tools. Handling several SPF records leads to misconfigurations, including conflicting rules or omitted senders. Sender Policy Framework (SPF) has. Provide these entries as a chain of spf include entries. You could theoretically extract the flat IP records from the resulting JSON file and automatically update your DNS configuration. Save changes to your record. This is one of the common problems causing SPF validation errors for Office 365 users. The idea of a dynamic SPF record can be several things, such as dynamically flattening a record, then publishing the result based on a data source. Television. This test will lookup an SPF record for the queried domain name, display the SPF Record (if found), and run a series of diagnostic tests (SPF Validation) against the record, highlighting any errors. If you don't know your mail server's address, start with a MX Lookup. That’s over 1 Billion inboxes you could be missing! MxToolbox Delivery Center Plus provides the best solution for setting up and monitoring your DMARC, DKIM and SPF compliance rates. Organizations such as PowerDMARC have developed tools that enable automatic SPF flattening. ️ Our platform. spf1. Skip to main content. The users must include the _spf. com wants to implement SPF. Organizations such as PowerDMARC have developed tools that enable automatic SPF flattening. One-click instant record flattening with a single include statement. This record could be flattened to have zero DNS lookups and would look something like this:SPF Flattening and its advantages The DNS lookup limit is a restriction imposed by email servers that limit the number of DNS lookups that can be performed when verifying an email’s SPF record. The MX lookup is done directly against the domain's authoritative name server, so changes to MX Records should show up instantly. google. SPF/DKIM/DMARC deployment tools fall into 2 categories: generators (creators/builders) to generate records and checkers (validators/testers) to look up the DNS. 238. MxToolbox's SPF Flattening is automatic and adaptive, enabling you to specify new Verified Email Sources and to have a new SPF record almost instantaneously. Those mechanisms are: a , mx , ptr , exists , include , and redirect . Free DMARC Record. “DNS lookups count “12” exceeds maximum limit of 10, which will result in a “permerror” and SPF authentication failure. There could be bug with multiple nested or flattened SPF records, which we are working on currently. We check for common errors such as using more than the 10 allowed DNS lookups. 479 John Street, Victoria, BC V8T 5H1 Canada. AutoSPF automatically flattens and compresses all domains within the SPF, eliminating the need for additional DNS lookups. With SPF Flattening it will be easier to forget. I have named the project Expurgate. Looking at the Audit Log area these records were created on April 17th and 18th by a. . 同一ドメインのDNSに複数のSPFレコードが発行されている. SPF is the cornerstone of your email delivery strategy. We offer you a quick solution to bypass this issue with our dynamic SPF flattening tool. It causes SPF compression by eliminating various SPF mechanisms and creating a single SPF record, which contains all IP addresses related to multiple domains. Packages 0. SPF Pass Rates for Verified Sources. Click Test SPF Record.