Website/server addresses
A returns IPv4 addresses; AAAA returns IPv6 addresses.
Free DNS tool
See what DNS is actually answering.
Query common DNS records through a public DNS-over-HTTPS resolver. Use it before a migration, mail change, nameserver move, verification step, or troubleshooting session.
DNS result
Records
How to read it
Different record types answer different questions.
Mail routing
MX records identify the mail exchangers responsible for receiving email for the domain.
Authoritative DNS
NS records identify the nameservers delegated for the zone.
Verification + mail policy
TXT commonly carries SPF, verification and other policy/configuration strings.
Aliases
CNAME maps one hostname to another canonical hostname.
Certificate-authority policy
CAA can restrict which certificate authorities are allowed to issue certificates for the domain.
Changing DNS?
Preserve the current zone before a migration.
Capture the records you depend on—especially mail and verification records—before changing nameservers or moving a site.