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

o2.cz

21 answer records
Retrieved · 2026-10-08T17:13:14+00:00View JSON
ANOERRORAD yes
AAAANOERRORAD yes
MXNOERRORAD yes
NSNOERRORAD yes
CNAMENOERROR · no answersAD yes
TXTNOERRORAD yes
SOANOERRORAD yes
CAANOERROR · no answersAD yes

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
Ao2.cz10800160.218.161.162IP WHOIS →
AAAAo2.cz108002001:41d8:1:742:2::2IP WHOIS →
MXo2.cz1080010 smtp-in.o2.cz.DNS →
NSo2.cz10800dns.iol.cz.DNS →
NSo2.cz10800ns2.tel.cz.DNS →
TXTo2.cz10800"MS=ms52641182"—
TXTo2.cz10800"7m05t8bvlcch53s7ys5nrxwxsnrgmphd"—
TXTo2.cz10800"_9frav04xdjt7z530iuh0x10dk8qxx7o"—
TXTo2.cz10800"_gtxc5n3vyecj6jtucvxxhjtjzm6y83h"—
TXTo2.cz10800"apple-domain-verification=VZSWFvHLE8imRQhe"—
TXTo2.cz10800"MS=7B9F81FDD83DA2FFCACC2C8F3F61B941A25EDBB4"—
TXTo2.cz10800"ppe-87ef0e4514ad3c042110125606a3c6311b5dc64b"—
TXTo2.cz10800"miro-verification=814cf298c288c6fcf51f6243354f4ff27b13a3d0"—
TXTo2.cz10800"google-site-verification=0TIBeL91z3rZRIMY0CZSLblUAbTxh0Kr8BPG3LFtA_8"—
TXTo2.cz10800"google-site-verification=dmXvwWWa1j3drUuBbW7E0YVtqVGwtB1HY4tN6B9sFSw"—
TXTo2.cz10800"browserstack-domain-verification=959efc5e-d239-4b29-972b-846a3587e939"—
TXTo2.cz10800"intersight=56f3c8232259f96eaa965d84ea4b75dfa15ed49b46edcdbe50c16dff242f86b8"—
TXTo2.cz10800"BzCZOqDSK7VNYlnjcF6OxfxT1TveRa3w68sz57ZbjxMmjM+qEgJcT509Hcr/fPqEcD3bV+qDZh2FegTRtZvcXw=="—
TXTo2.cz10800"PZ3jepCkOh+eOvAvsDTRPHvNHoyzbJLH9ySyuAZFFY4maiTfijGZg4E7xmBQb1R9RmOW+qUkHfl/raEpx37rrA=="—
TXTo2.cz10800"v=spf1 include:out.o2.cz a:aa.iol.cz ip4:90.176.151.28 include:spf.mailforce.cz include:spfe.targito.com include:o2.secar.cz ip4:74.121.51.138 include:spf.smartemailing.cz include:spf.finforce.cz -all"—
SOAo2.cz10800dns.iol.cz. hostmaster.iol.cz. 2026100800 10800 3600 2592000 10800—
Authority records · 1
TypeNameTTL · secondsValueLook up
SOAo2.cz10800dns.iol.cz. hostmaster.iol.cz. 2026100800 10800 3600 2592000 10800—

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.