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
2 answer recordsnsa.cesnet.cz
ANOERRORAD yes
AAAANOERRORAD yes
MXNOERROR · no answersAD yes
NSNOERROR · no answersAD yes
CNAMENOERROR · no answersAD yes
TXTNOERROR · no answersAD yes
SOANOERROR · no answersAD 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 | nsa.cesnet.cz | 3600 | 195.113.144.228 | IP WHOIS → |
| AAAA | nsa.cesnet.cz | 3600 | 2001:718:1:101::144:228 | IP WHOIS → |
Authority records · 1
| Type | Name | TTL · seconds | Value | Look up |
|---|---|---|---|---|
| SOA | cesnet.cz | 900 | nsa.cesnet.cz. hostmaster.cesnet.cz. 2020014795 28800 7200 1814400 900 | — |
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.