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
12 answer recordsupol.cz
ANOERRORAD no
AAAANOERROR · no answersAD no
MXNOERRORAD no
NSNOERRORAD no
CNAMENOERROR · no answersAD no
TXTNOERRORAD no
SOANOERRORAD no
CAANOERROR · no answersAD no
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 | upol.cz | 86400 | 158.194.230.160 | IP WHOIS → |
| MX | upol.cz | 86400 | 12833 cx.spamfree.cz. | DNS → |
| MX | upol.cz | 86400 | 12849 dx.spamfree.cz. | DNS → |
| MX | upol.cz | 86400 | 12817 bx.virusfree.cz. | DNS → |
| MX | upol.cz | 86400 | 12801 ax.virusfree.cz. | DNS → |
| NS | upol.cz | 86400 | raven.upol.cz. | DNS → |
| NS | upol.cz | 86400 | namer2.upol.cz. | DNS → |
| NS | upol.cz | 86400 | nsa.ces.net. | DNS → |
| TXT | upol.cz | 86400 | "3zNARbt6ooYOB+Lzg3XaA39D3JeK4QmZ+FyeRVi9ST64p23zqvAdD8E3UVnBfWw6pa9N7/Wr8OquNBLFV+/o9Q==" | — |
| TXT | upol.cz | 86400 | "v=spf1 include:_spf.google.com include:spf.protection.outlook.com ip4:158.194.0.0/16 ip6:2001:718:1401::/48 include:spf.smartemailing.cz include:spf.olc.cz ~all" | — |
| TXT | upol.cz | 86400 | "google-site-verification=qJolb0krHwEuAaY3OknP03vj90vAw_uLnaQtyEMhzJo" | — |
| SOA | upol.cz | 86400 | raven.upol.cz. petv.cvt.upol.cz. 2261102738 900 1800 3600000 86400 | — |
Authority records · 2
| Type | Name | TTL · seconds | Value | Look up |
|---|---|---|---|---|
| SOA | upol.cz | 86400 | raven.upol.cz. petv.cvt.upol.cz. 2261102738 900 1800 3600000 86400 | — |
| SOA | upol.cz | 86400 | raven.upol.cz. petv.cvt.upol.cz. 2261103703 900 1800 3600000 86400 | — |
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.