What is a TTL?

A TTL, or Time to Live, is a setting in every DNS record that dictates how long the record will be cached by resolving nameservers, browsers, etc.  Resolving name servers are the middlemen of the DNS exchange. When you enter a … Continued

TXT Record

TXT records hold free form text of any type. A fully qualified domain name may have many TXT records. The most common uses for TXT records are Sender Policy Framework (SPF), DomainKeys (DK), DomainKeys Identified E-mail (DKIM), and DMARC. TXT … Continued

DKIM Record

DomainKeys Identified Mail (DKIM) records allow a recipient to validate a sender as the owner of an email message. Domain Keys use public key encryption to apply digital signatures to email, this allows verification of the sender as well as … Continued

DMARC Record

Before you configure a DMARC record, you must already have both SPF and DKIM records configured. A DMARC record would be generated by your email service provider or the administrator of your email server. Once you have the content of … Continued