mail.nic.cz
The domain mail.nic.cz answers at IP address 217.31.204.67. This domain declares no mail servers, so it cannot receive mail in its own name. It also publishes 1 TXT records, used to verify domain ownership with external services and to configure mail security through SPF, DKIM and DMARC.
A A records
- 217.31.204.67 1800s
AAAA AAAA records
- 2001:1488:800:400::400 1800s
TXT TXT records
- v=spf1 include:_v4nets.nic.cz include:_v6nets.nic.cz ~all 1800s
What each record means
- A and AAAA: the server IP address, in IPv4 and IPv6.
- MX: the servers that receive the domain mail. The number is the priority; the lowest is tried first.
- NS: the name servers, which have the final say over the domain DNS.
- TXT: free text. Mostly used for SPF, DKIM and DMARC, and to verify ownership with third parties.
- TTL: how many seconds the record may be cached before asking again.
Checked 2 hours ago.