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

cdt.cz

17 answer records
Retrieved · 2026-09-23T20:43:42+00:00View JSON
ANOERRORAD yesEDE(18): Prohibited
AAAANOERRORAD yesEDE(18): Prohibited
MXNOERRORAD yesEDE(18): Prohibited
NSNOERRORAD yesEDE(18): Prohibited
CNAMENOERROR · no answersAD yesEDE(18): Prohibited
TXTNOERRORAD yesEDE(18): Prohibited
SOANOERRORAD 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
Acdt.cz8640082.117.148.155IP WHOIS →
AAAAcdt.cz864002001:1a48:1112:14::6IP WHOIS →
MXcdt.cz8640010 mailgw1.cdt.cz.DNS →
MXcdt.cz8640020 mailgw2.cdt.cz.DNS →
NScdt.cz86400ns1.cdt.cz.DNS →
NScdt.cz86400ns2.cdt.cz.DNS →
TXTcdt.cz86400"PR2-MLD-P03"
TXTcdt.cz86400"MS=ms75454862"
TXTcdt.cz86400"_1hrz1dr5f4z88b1okyiionox61w8vyg"
TXTcdt.cz86400"_tdnudvi57p9yf0i87c7nq4ff6vmded0"
TXTcdt.cz86400"_ygivoojztkwzy37gz13tvv61dbeoihy"
TXTcdt.cz86400"_zb09gvdgetzdzrtvzx4us9ywm5j0s3b"
TXTcdt.cz86400"MS=9E5CD30317FC9C12FB641204F4567F88614F09B8"
TXTcdt.cz86400"v=spf1 mx a:mailgw1.cdt.cz a:mailgw2.cdt.cz a:smtp.cdtnet.cz " "ip4:82.117.128.37/32 ip4:81.19.33.2/32 ip4:81.19.34.2/32 ip4:81.19.46.20/32 ip4:81.19.46.25/32 ip4:81.19.46.4/32 " "ip6:2001:1a48:0:1::2/64 ip6:2001:1a48:0:2::2/64 " "include:spf.protection.outlook.com -all"
TXTcdt.cz86400"Google-site-verification=wT7gmM3B6aoNafQhoLHYAmKfD21Nbyc3Ln6H79uaS6A"
TXTcdt.cz86400"atlassian-domain-verification=80eylVVerqt2XuVtHHm8mOBClzkWt8dr0eZMio2dGo5nPRUiG62OshQHWMSRnkCN"
SOAcdt.cz86400ns1.cdt.cz. hostmaster.cdt.cz. 2026091465 14400 3600 604800 14400
Authority records · 1
TypeNameTTL · secondsValueLook up
SOAcdt.cz14400ns1.cdt.cz. hostmaster.cdt.cz. 2026091465 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.