Record Types
DNS Record Types
Address Records
- A: IPv4 address mapping
- AAAA: IPv6 address mapping
- CNAME: Alias to another domain
Mail & Name
- MX: Mail server (with priority)
- NS: Authoritative nameservers
- TXT: SPF, DKIM, verification
SOA Record
- Primary nameserver
- Admin email (rname)
- Serial, refresh, retry, expire
- Minimum TTL for negative caching
Common TXT Uses
- SPF (email authentication)
- DKIM public keys
- DMARC policies
- Domain verification tokens