An SPF record is atype of DNS recordthat specifies a list of authorized mail servers permitted to send email on behalf of your domain. This record can include the domain owner's mail servers, IP addresses, and even subdomains for sending emails. ...
v=spf1 tells the server that this contains an SPF record. Every SPF record must begin with this string. Then comes the “guest list” portion of the SPF record or the list of authorized IP addresses. In this example, the SPF record is telling the server that ip4:192.0.2.0 and ip4:192...
SPF RecordOverview What is an SPF record? An SPF record is a line of text published in the DNS that contains the list of authorized IP addresses from which email can be sent for the domain. When a mail server receives a message, it can check the IP address in the email header to ...
To take advantage of SPF, you publish an SPF record in the DNS. The record is a list of all the IP addresses that are allowed to send email on behalf of the domain. The SPF mechanism uses the domain in the return-path address to identify the SPF record. When a sender tries to hand...
An SPF record is a DNS TXT record containing a list of all the authorized mail servers for your website. Learn how to use SPF records here.
Here’s an example record:v=spf1 a mx ip4:69.64.153.131 include:_spf.google.com ~all The SPF record always starts with the v= element. This indicates the SPF version that is used. Right now, the version should always be spf1 as this is the most common version of SPF that is ...
An SPF record is a type of DNS record that identifies which mail servers are permitted to send email on behalf of your domain. The purpose of an SPF record is to prevent spammers from sending messages with forged “From” addresses to email accounts under your domain. In technical terms, ...
v=spf1 a mx include:_spf.example.com -all This record allows the following IP addresses to send email on behalf of your domain: myhomebusiness.com: –TheaMechanism: if myhomebusiness.com has an address record (A or AAAA) that can be resolved, the resolved value is allowed; ...
A PTR record (Pointer Record) is a type of DNS record that maps an IP address to a domain name, enabling reverse DNS lookups. It is the opposite of an A record, which maps a domain name to an IP address. PTR records are essential for verifying the authenticity of an IP address, par...
An SPF record is a TXT DNS record. Here’s an example of a record for a domain that uses Google Workspace to send business emails: v=spf1 include:_spf.google.com ~all The “v=spf1” part identifies the record as an SPF record since not all TXT records are SPF records. The “incl...