Host Profile
jigsaw.w3.org
fqdnRank #639,532
1
IPs
2
Tech
1
Certs
1
Cookies
23
Headers
1
MIME
3
Incoming
0
Outgoing
First Seen
2017-01-30 05:30:20
Last Seen
2026-08-27 18:43:11
Times Seen
3
Registered
1994-07-06 00:00:00
Same Domain
Observed hosts under w3.org.
| Host | Signals | First | Last |
|---|---|---|---|
| www.w3.org | Rank #147,720IP 2Tech 5Cert 1Cookie 2Hdr 47MIME 8In 13Out 0 | 2014-06-27 | 2026-08-30 |
| jigsaw.w3.org | Rank #639,532IP 1Tech 2Cert 1Cookie 1Hdr 23MIME 1In 3Out 0 | 2017-01-30 | 2026-08-27 |
Relations
redirects to: source redirected the browser to target.
loads from: source loaded scripts, images, stylesheets, fonts, media, or similar resources from target.
calls: source made active requests to target, such as fetch, XHR, beacon, websocket, or eventsource.
embeds: source embedded target in a frame, iframe, object, or embed.
Hosts observed redirecting, loading, calling, or embedding one another.
| Source | Relation | Target | First Seen | Last Seen | Seen |
|---|---|---|---|---|---|
virtiserv.github.ioRank unknown | loads from | jigsaw.w3.org | 2026-08-27 18:43:11 | 2026-08-27 18:43:11 | 1 |
burujon.toledo.gob.esRank unknown | loads from | jigsaw.w3.org | 2026-08-25 20:14:16 | 2026-08-25 20:14:16 | 1 |
www.dan.me.ukDomain Rank #37,703 | loads from | jigsaw.w3.org | 2026-08-23 14:44:47 | 2026-08-23 14:44:47 | 1 |
IP Addresses
1| IP | ASN | AS Name | Country | Labels | First Seen | Last Seen | Seen |
|---|---|---|---|---|---|---|---|
| 104.18.23.19 | AS13335 | CLOUDFLARENET | - | Cloudflare | 2026-08-23 14:44:47 | 2026-08-27 18:43:11 | 3 |
Technologies
2
Cloudflare (CDN)
Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.
https://www.cloudflare.comFirst2026-08-23 14:44:47
Last2026-08-27 18:43:11
Seen3
Cloudflare Bot Management (Security)
Cloudflare bot management solution identifies and mitigates automated traffic to protect websites from bad bots.
https://www.cloudflare.com/en-gb/products/bot-management/First2026-08-23 14:44:47
Last2026-08-27 18:43:11
Seen3
Certificates
1Subject
Common Name
Organization
unknown
Issuer
Common Name
Organization
Valid From
2026-07-09 02:48:43
Valid To
2026-10-07 03:48:25
Cookies
1| Name | Path | SameSite | Flags | First Seen | Last Seen |
|---|---|---|---|---|---|
| __cf_bm | / | none | secure, httpOnly, persistent | 2026-08-23 14:44:47 | 2026-08-27 18:43:11 |
HTTP Headers
23x-request-id x2
age x2
alt-svc x2
cf-bgj x2
cf-polished x2
cf-ray x3
content-md5 x2
content-type x2
date x2
etag x2
expires x2
priority x2
server x2
set-cookie x2
vary x2
MIME Types
1Seen 3 times