readthedocs.io
The domain readthedocs.io answers at IP address 104.16.253.120. The domain DNS is managed by Cloudflare, which decides where each subdomain points. Mail for readthedocs.io goes through 5 servers; the highest priority one is aspmx.l.google.com.
A A records
- 104.16.253.120 300s
- 104.16.254.120 300s
AAAA AAAA records
- 2606:4700::6810:fd78 300s
- 2606:4700::6810:fe78 300s
MX MX records
- 1 aspmx.l.google.com 300s
- 5 alt2.aspmx.l.google.com 300s
- 5 alt1.aspmx.l.google.com 300s
- 10 aspmx3.googlemail.com 300s
- 10 aspmx2.googlemail.com 300s
NS NS records
- ivan.ns.cloudflare.com 21600s
- tegan.ns.cloudflare.com 21600s
SOA SOA records
- ivan.ns.cloudflare.com 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 10 hours ago.