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.
Querying DNS records…
DNS
6 answer recordsiol.cz
ANOERRORAD yes
AAAANOERROR · no answersAD 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.
| Type | Name | TTL · seconds | Value | Look up |
|---|---|---|---|---|
| A | iol.cz | 10800 | 160.218.161.165 | IP WHOIS → |
| MX | iol.cz | 10800 | 10 smtp-in.iol.cz. | DNS → |
| NS | iol.cz | 10800 | dns.iol.cz. | DNS → |
| NS | iol.cz | 10800 | ns2.tel.cz. | DNS → |
| TXT | iol.cz | 10800 | "v=spf1 ip4:194.228.2.86 ip4:194.228.2.87 ip4:194.228.2.91 ip4:194.228.2.92 ip4:194.228.41.112 ip4:160.218.161.71 ip4:160.218.161.72 ip4:160.218.161.73 ip4:160.218.11.33 ip4:160.218.11.38 ip4:160.218.11.39 a:aa.iol.cz -all" | — |
| SOA | iol.cz | 10800 | dns.iol.cz. hostmaster.iol.cz. 2026092501 10800 3600 5184000 10800 | — |
Authority records · 1
| Type | Name | TTL · seconds | Value | Look up |
|---|---|---|---|---|
| SOA | iol.cz | 10800 | dns.iol.cz. hostmaster.iol.cz. 2026092501 10800 3600 5184000 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.