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Your IP Address: 216.73.216.68

Whois Information

Domain

ietf.org

Registrar

Cloudflare, Inc.

IANA ID: 1910

Abuse Contact Email: registry-abuse@cloudflare.com

Abuse Contact Phone: tel:+1.6503198930

Name Servers

  • jill.ns.cloudflare.com
  • ken.ns.cloudflare.com

Dates

Created: 31 years ago

1995-03-11T05:00:00.698Z

Updated: 5 months ago

2026-02-07T01:34:31.817Z

Expires: in 4 years

2031-03-12T05:00:00Z

Statuses

  • serverDeleteProhibited - Prevents the domain from being deleted by the registry
  • clientTransferProhibited - Prevents the domain from being transferred to another registrar

DNS Records

A Records (IPv4 Address)

Apex Domain (ietf.org)

104.16.44.99
TTL: 4 minutes, 59 seconds (299 seconds)
Reverse DNS: No PTR record found
104.16.45.99
TTL: 4 minutes, 59 seconds (299 seconds)
Reverse DNS: No PTR record found

WWW Subdomain (WWW records match main domain)

104.16.44.99
TTL: 1 minute, 46 seconds (106 seconds)
Reverse DNS: No PTR record found
104.16.45.99
TTL: 1 minute, 46 seconds (106 seconds)
Reverse DNS: No PTR record found

AAAA Records (IPv6 Address)

2606:4700::6810:2c63
TTL: 5 minutes (300 seconds)
2606:4700::6810:2d63
TTL: 5 minutes (300 seconds)

MX Records (Mail Server)

0 mail2.ietf.org

TXT Records (Text Record)

vs58md9pf8hu6knlglfda9lk6g
ca3-5567e36d3f9947308ac2892e009840cc
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
Valid SPF Record

NS Records (Nameserver)

ken.ns.cloudflare.com
TTL: 21 hours, 6 minutes, 2 seconds (75962 seconds)
NS IPs: 108.162.193.127, 172.64.33.127, 173.245.59.127
jill.ns.cloudflare.com
TTL: 21 hours, 6 minutes, 2 seconds (75962 seconds)
NS IPs: 108.162.192.122, 172.64.32.122, 173.245.58.122

SOA Records (Start of Authority)

Primary NS: jill.ns.cloudflare.com
Admin: dns.cloudflare.com
Serial: 2411274237, Refresh: 10000s, Retry: 2400s, Expire: 604800s

CNAME Records (Canonical Name)