DNS Record Types Explained: A, AAAA, CNAME, MX, TXT
Every DNS record type explained: A, AAAA, CNAME, MX, TXT, NS, SOA, SRV, CAA, PTR. With examples and when to use each.
Common Record Types
- A: Maps domain to IPv4 address
- AAAA: Maps domain to IPv6 address
- CNAME: Alias to another domain
- MX: Mail server with priority
- TXT: Arbitrary text (SPF, DKIM, domain verification)
- NS: Authoritative nameservers
- SOA: Zone authority and refresh timers
- SRV: Service location (port + host)
- CAA: Certificate authority authorization
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