ietf.org
The domain ietf.org answers at IP address 104.16.44.99. The domain DNS is managed by Cloudflare, which decides where each subdomain points. Mail for ietf.org goes through 1 servers; the highest priority one is mx.ietf.org. It also publishes 5 TXT records, used to verify domain ownership with external services and to configure mail security through SPF, DKIM and DMARC.
A A records
- 104.16.44.99 300s
- 104.16.45.99 300s
AAAA AAAA records
- 2606:4700::6810:2c63 300s
- 2606:4700::6810:2d63 300s
MX MX records
- 0 mx.ietf.org 60s
NS NS records
- jill.ns.cloudflare.com 21600s
- ken.ns.cloudflare.com 21600s
TXT TXT records
- vs58md9pf8hu6knlglfda9lk6g 300s
- v=spf1 ip4:166.84.6.31 ip4:166.84.7.238 ip6:2602:f977:800:f7f6::/64 ip4:166.84.7.34 ip6:2602:f977:800::e276:63ff:fe66:3400 include:_spf.google.com include:spf.hostedrt.com ~all 300s
- google-site-verification=NQpGlv9isd8O_RHzO31C0lOw1XKfQfFoVhZbmir6Lm4 300s
- google-site-verification=mvpHmuqmM4wrWv5w3S1AAqssmhAITNo2QqPqVLrVWEo 300s
- ca3-5567e36d3f9947308ac2892e009840cc 300s
SOA SOA records
- jill.ns.cloudflare.com 1458s
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 3 hours ago.