THE RECORDS BEHIND THE NAME

DNS lookup.

Explore resource records, mail routing and reverse DNS.

Public IPs automatically use PTR. Common records queries A, AAAA, MX, NS, CNAME, TXT, SOA and CAA separately.

DNS

ns2.cdt.cz

2 answer records
Retrieved · 2026-09-24T18:35:08+00:00View JSON
ANOERRORAD yesEDE(18): Prohibited
AAAANOERRORAD yesEDE(18): Prohibited
MXNOERROR · no answersAD yesEDE(18): Prohibited
NSNOERROR · no answersAD yesEDE(18): Prohibited
CNAMENOERROR · no answersAD yesEDE(18): Prohibited
TXTNOERROR · no answersAD yesEDE(18): Prohibited
SOANOERROR · no answersAD yesEDE(18): Prohibited
CAANOERROR · no answersAD yesEDE(18): Prohibited

AD indicates that the resolver reports DNSSEC-validated data. “AD no” can also mean the zone is unsigned. NXDOMAIN is a DNS result, not a domain-availability check.

TypeNameTTL · secondsValueLook up
Ans2.cdt.cz8640081.19.34.2IP WHOIS →
AAAAns2.cdt.cz864002001:1a48:0:2::2IP WHOIS →
Authority records · 1
TypeNameTTL · secondsValueLook up
SOAcdt.cz14400ns1.cdt.cz. hostmaster.cdt.cz. 2026091467 14400 3600 604800 14400—

Results reflect the public DNS view and recursive caching; they may differ from your local network. TXT strings retain their DNS quoting. Common records does not enumerate every name or record in a zone.