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Free tools / DNS Checker

Check every DNS record for a domain

Enter a domain to see its A, AAAA, CNAME, MX, NS, TXT, SOA, and CAA records in one place. No signup, no wait.

Live from public DNS. Enter a bare domain (no https://). We don't store what you look up.

What each record means

DNS records tell the internet where your domain points and who runs its mail, security, and nameservers.

A / AAAAThe IPv4 / IPv6 address the domain resolves to.
CNAMEAn alias that points one hostname at another.
MXWhere email for the domain is delivered, by priority.
NSThe authoritative nameservers running the domain's DNS.
TXTFree-form text: SPF, DKIM, and domain verification.
SOAThe zone's serial number and refresh timers.
CAAWhich certificate authorities may issue certs.
PTRReverse: the hostname an IP address maps back to.