w3id.org

.org crawl

First seen 2026-04-13 · Last seen 2026-05-17 · ok HTTP/1.1 200 471 ms crawled 2026-05-06

US · 23.253.20.182 · AS19994 Rackspace Hosting

Reputation 67/100 listed in spam blocklist no dmarc policy

Classifying

HTML metadata

Title: w3id.org - Permanent Identifiers for the Web
Description: Secure, permanent URLs for your Web application that will stand the test of time.
Language: en

Technology

Server: Apache

Third-party hosts loaded (1)

ajax.googleapis.com×1

Social

Registration

Registrar

Gandi SAS

Created

2013-02-14

Expires

2027-02-14 270 days left

Updated

2025-12-21

Name servers

ns-14-c.gandi.net
ns-247-b.gandi.net
ns-94-a.gandi.net

DNS records live

NS

ns-14-c.gandi.net
ns-247-b.gandi.net
ns-94-a.gandi.net

MX

10 spool.mail.gandi.net
50 fb.mail.gandi.net

Email authentication partial

SPF: not published
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-04-04 to 2026-07-03

Expires in 45 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://w3id.org/

present

strict-transport-security

findings

missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

strict-transport-security: max-age=15768000