CNAME Builder

Build valid CNAME records with loop detection, self-target checks, and FQDN validation.

Bulk mode (multiple records)

Alias Name

Target FQDN

TTL (seconds)

Quick Examples

CNAME Best Practices

Target must be a Fully Qualified Domain Name (FQDN) ending with a dot
CNAME records cannot coexist with other record types
Avoid CNAME chains longer than 3-4 hops
Never point a CNAME to another CNAME if possible