w3.org
W3C
w3.org is registered with Gandi SAS since July 6, 1994 (32.3 years). The registration expires on July 5, 2029. The site runs on Cloudflare, Content Security Policy, HSTS. Its email security grade is B. Its SSL certificate is issued by Google Trust Services and is valid for 84 more days.
- Domain age
- 32.3 yrs
- Technologies
- 3
- Email security
- B
- SSL days left
- 84
Registration
| Registrar | Gandi SAS |
|---|---|
| IANA ID | 81 |
| Registered | July 6, 1994 |
| Expires | July 5, 2029 |
| Updated | August 12, 2026 |
| Status | client delete prohibited, client transfer prohibited |
| Name servers | jamie.ns.cloudflare.com, pranab.ns.cloudflare.com |
| DNSSEC | Not signed |
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 104.18.22.19 | 164 |
| A | 104.18.23.19 | 164 |
| MX | pan.w3.org 5 | 300 |
| MX | puck.w3.org 5 | 300 |
| NS | jamie.ns.cloudflare.com | 86400 |
| NS | pranab.ns.cloudflare.com | 86400 |
| CAA | iodef 0 mailto:[email protected] | 300 |
| CAA | issue 0 amazon.com | 300 |
| CAA | issue 0 comodoca.com | 300 |
| CAA | issue 0 digicert.com; cansignhttpexchanges=yes | 300 |
| CAA | issue 0 letsencrypt.org | 300 |
| CAA | issue 0 pki.goog; cansignhttpexchanges=yes | 300 |
| CAA | issue 0 sectigo.com | 300 |
| CAA | issue 0 ssl.com | 300 |
| CAA | issuewild 0 comodoca.com | 300 |
| CAA | issuewild 0 digicert.com; cansignhttpexchanges=yes | 300 |
| CAA | issuewild 0 letsencrypt.org | 300 |
| CAA | issuewild 0 pki.goog; cansignhttpexchanges=yes | 300 |
| TXT | 853C844562 | 300 |
| TXT | anthropic-domain-verification-xwqnyg=KpEpoEkHUmXnsWC0mhnfKFBrr | 300 |
| TXT | ca3-d6556337888945edac9c159a068c46a2 | 300 |
| TXT | google-site-verification=5TpwKtmzdpa5fntQgKHY96mTJ3FiSn9fGp07XKxFsMk | 300 |
| TXT | google-site-verification=CZkSL9bXgKDxRmeDnAQorwhaQy3Ji1vTn36bBn5rL-E | 300 |
| TXT | google-site-verification=cu9dn6ytlndLOV87MLxedTHxoKTRKk0dUf_jXK8OsTc | 300 |
| TXT | google-site-verification=dS4IjfXgopxupUFDAqg3wk94IIZ2GuQ-jW4wiLm69Rg | 300 |
| TXT | v=spf1 mx ip4:34.238.48.92 ip4:34.199.101.240 ip6:2600:1f18:7d7a:2700::/56 include:_spf.google.com ~all | 300 |
| AAAA | 2606:4700::6812:1713 | 300 |
| AAAA | 2606:4700::6812:1613 | 300 |
Technology stack
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, WE1, Google Trust Services |
| Expires | February 2, 2027 |
| Days remaining | 84 |
| Protocol | TLSv1.3 |
| Names | w3.org, *.w3.org |
Email security
- warnNo MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
- warnNo TLS-RPT record, so you won't hear about failed encrypted deliveries.
- warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
- goodSPF record found.
- goodSPF ends with ~all: servers you have not listed are marked as suspicious (soft fail).
- goodDMARC policy is reject: mail that fails authentication is blocked.
- goodDMARC aggregate reports are sent to mailto:[email protected], mailto:[email protected].
- goodDKIM keys found (selector: s1).
- good2 MX record(s) found.
Homepage metadata
| Title | W3C |
|---|---|
| Description | The World Wide Web Consortium (W3C) develops standards and guidelines to help everyone build a web based on the principles of accessibility, internationalization, privacy and security. |
| Language | en |
| Indexable | Yes |
| Word count | 824 |
About w3.org
Who is the registrar of w3.org?
w3.org is registered with Gandi SAS (IANA ID 81).
When does w3.org expire?
The current registration of w3.org expires on July 5, 2029. It was first registered on July 6, 1994.
What technology does w3.org use?
We detected 3 technologies on w3.org, including Cloudflare, Content Security Policy, HSTS.
Does w3.org protect its email with SPF and DMARC?
w3.org scores 83/100 (grade B) for email security. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection. No TLS-RPT record, so you won't hear about failed encrypted deliveries.
What are the name servers of w3.org?
w3.org uses jamie.ns.cloudflare.com, pranab.ns.cloudflare.com.