Category
DNS
How domain names resolve, and the records that make your site reachable.
Category
How domain names resolve, and the records that make your site reachable.
CAA records let you whitelist the certificate authorities permitted to issue certificates for your domain. Compliant CAs must check for a C…
DKIM complements SPF by signing messages with a private key held by your mail provider. Recipients fetch the matching public key from your…
DMARC is the policy layer that makes SPF and DKIM enforceable. It requires authentication to "align" with your visible From domain, instruc…
SPF is the first of the three core email-authentication standards. Published as a single DNS TXT record, it tells the world which IP addres…
DNS is the lookup system that turns domain names into server addresses. Its records (A, AAAA, CNAME, MX, TXT) control where your website an…