mx.threema.ch
The domain mx.threema.ch answers at IP address 203.56.112.69. 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
- 203.56.112.69 300s
AAAA AAAA records
TXT TXT records
- v=spf1 ip4:185.88.236.64/26 ip6:2a02:41b:300a::/48 ip4:212.103.68.0/26 ip6:2a00:c38:1fb::/48 a mx -all 3600s
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 8 hours ago.