Summary
- HTTP status
- 200
- IP address
- 104.16.44.99, 104.16.45.99, 2606:4700::6810:2c63, 2606:4700::6810:2d63
- ASN
- —
- Hosting provider
- Cloudflare, Inc.
- Country
- US
- Title
- IETF | Internet Engineering Task Force
- Description
- The Internet Engineering Task Force (IETF) is the premier Internet standards body, developing open standards through open processes.
- Language
- en
- Server
- cloudflare
- Generator
- —
- Certificate
- ValidLet's Encrypt
- Sitemap
- Present
- Domain name
- ietf.org
SSL/TLS certificate
The SSL/TLS certificate encrypts exchanges between visitors and the website (HTTPS) and proves its identity. It is issued by a certificate authority after a more or less thorough check: of the domain name only (DV), of the organization that owns it (OV), or extended validation (EV).
Free certificate issued by Let's Encrypt: valid for a few months, it is renewed automatically.
- Certificate authority
- Let's Encrypt (YE2)
- Validation type
- Domain validation (DV)
- Status
- Valid
- Covered domains
- *.ietf.org, ietf.org
- Valid from
- September 4, 2026
- Valid until
- December 3, 2026 (expires in 62 days)
- Protocol
- TLSv1.3
- Key
- ECDSA 256 bits
Sitemap
A sitemap lists the pages of a website to help search engines discover them. It can have any name when it is declared in the robots.txt file.
The robots.txt file does not declare any sitemap: the usual locations were checked.
| File | Content | Last modified |
|---|---|---|
| https://www.ietf.org/sitemap.xml | 989 pages | October 1, 2026 |
Redirects
- 301 https://ietf.org/
- 200 https://www.ietf.org/ — Final page
Outgoing links
The home page links to 9 other websites.