Why you Need to do an SPF Record Check?
This article guides you on the complete process of SPF record check in DuoCircle and why you need to do an SPF record check.
Table of Contents
What is the SPF Record
The “from” field in an email is not covered by the SMTP protocol, which is the actual meaning of email. There will be no further verification required as long as the email address is accurate. SPF is a comparatively recent technology. SPF is a DNS record that lists all of the domains that are authorized to send mail from the domain in a specific format. This enables spam filters to quickly determine if an email’s source is from a safe domain.
An SPF record is a Sender Policy Framework archive. It specifies mail exchanges on which portals are permitted to send mail for specific domains. The regulation is defined in the form of an SPF record with a particular format. The TXT record form is the generally used type to measure SPF records.
The most common place for SPF records to be listed is on your domain name. You might have to submit some of your messages from subdomains under your domain if you need to use more modifiers than are permitted in a single SPF record.
The Complete Process of getting SPF Record check done
The SPF record is packaged with the DNS lookup details and saved in a DNS database. A domain’s Sender Policy Framework (SPF) record can be individually verified on specific SPF lookup sites. The SPF checker looks for an SPF record, reveals the SPF record present, and validates the record, outlining any errors detected. A complete guide for SPF record check is mentioned below.
Step 01. Visit a SPF Checker site.
DMARC SPF Checker is an example for a SPF Checker site.
Step 02. Provide your site domain information.
Fill in your specific domain information so the check. Make sure to enter the major domain of your website.
Step 03. Check the SPF Record.
Once you have entered the required domain information, you would be able to initiate the check. After the checking is completed, the records will be displayed.
In case you are unable to initiate the check, make sure the following checklist is correct;
- The specific site should have a SPF record.
- The displayed IP Addresses sending the emails are accurate.
Commonly, SPF record checkers will validate records on the below variables;
- SPF record existence
- Multiple SPF records in DNS
- Maximum lookups
- PTR mechanisms
- Unknown parts identified
- Mechanisms used
- Invalid macro
- Record termination missing
- Multiple fallback occasions
- Uppercase SPF
- DNS type “SPF” used
Importance of SPF Record check
SPF records are typically used to protect the domain name from spammers spoofing it. The SPF record you release in DNS can be used by recipient servers to decide if or not an email they’ve received came from an approved server.
Lower SPF grades suggest an organization’s susceptibility to malicious actors using their domain name for spoofing attacks, so SPF record checks are essential. It entails some misconduct as well as financial loss for any company. This means that companies are likely to be given a significant number of spoofing emails as a result of domains’ inadequate implementation of the Sender Policy Framework.
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SPF checker detects and shows the SPF record for the specified domain name, assuming that the domain has released its SPF record. The record is then subjected to a series of diagnostic checks, with the results reflected and any errors highlighted. It will assist in making the SPF record more effective and efficient.
The SPF checker supports the email recipient’s server in determining if the obtained email is from the claimed domain of the company. The SPF record surveyor check prevents spoofing by checking the validity of the mail server. The SPF record search not only prevents fraudulent emails from being labelled as genuine, but it also guarantees that emails sent from a genuine domain are not marked as spam by the recipient’s client.
Top 5 FAQs and answer session on SPF Record Check
How do I set up SPF?
To use SPF, you must release an SPF record in the DNS that defines the domain’s whitelist of IP addresses.
Can I have numerous SPF records on a single domain?
No, you are not supposed to do so. If a single domain has multiple SPF records, SPF will display PermError for all emails sent from that specific domain.
Do I need to assign an SPF entry for all my SMTP servers?
No. In either case, to every domain you would like to protect from spammers/viruses, you can publish an SPF record. As a result, for each domain with an A record, an MX record, or both, you only have to disclose one regulation.
What is the SPF 10 DNS check up limit?
SPF specifies that the variety of mechanisms and variables that perform DNS lookups per SPF search not exceed 10, along with any lookups triggered by the use of the “include” function or the “redirect” modifier. This is to prevent possible denial of service attacks. Instead, an SPF PermError would be returned, explicitly “SPF PermError: too many DNS lookups.”
Is SPF compatible with a dynamic IP address?
Yes, since there are numerous dynamic IP address providers that enable you to create a hostname for a low or no cost. This is typically done by installing a program client on a PC with a public dynamic IP address or one that is under a router. This client examines if a specified host name leads to the current IP address at frequent intervals.
This article covered the basics regarding SPF records and a complete guide on checking your own SPF record.
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