WWW.RTSAK.COM - w3.org.cdn.cloudflare.net

Search for IP or hostnames:

w3.org.cdn.cloudflare.net checked at 2025-09-25T16:12:33.157Z 865ms 76/76/76 100% R:10

`w3.org.cdn.cloudflare.net`

MX	`pan.w3.org`
		A	2600:1f18:7d7a:2700:8cd1:70e3:5ee8:9bbc ^{🇺🇸 Amazon}
			PTR	`pan.w3.org`
		A	3.222.182.102^{🇺🇸 Amazon}
			PTR	`pan.w3.org`
MX	`puck.w3.org`
		A	2600:1f18:7d7a:2700:9f1c:6175:a32c:7874 ^{🇺🇸 Amazon}
			PTR	`puck.w3.org`
		A	34.196.82.207^{🇺🇸 Amazon}
			PTR	`puck.w3.org`
A	2606:4700::6812:1613 ^{🇺🇸 Cloudflare}
A	2606:4700::6812:1713 ^{🇺🇸 Cloudflare}
A	104.18.22.19^Cloudflare
A	104.18.23.19^Cloudflare

Up

jigsaw.w3.org.cdn.cloudflare.net

www.w3.org.cdn.cloudflare.net

validator.w3.org.cdn.cloudflare.net

dvcs.w3.org.cdn.cloudflare.net

labs.w3.org.cdn.cloudflare.net

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AI analysis

w3.org.cdn.cloudflare.net is parent of jigsaw.w3.org.cdn.cloudflare.net, www.w3.org.cdn.cloudflare.net, validator.w3.org.cdn.cloudflare.net, dvcs.w3.org.cdn.cloudflare.net and labs.w3.org.cdn.cloudflare.net.

w3.org.cdn.cloudflare.net maps to four IP numbers: 2606:4700::6812:1613, 2606:4700::6812:1713, 104.18.22.19 and 104.18.23.19.

Other host names, for instance labs.w3.org.cdn.cloudflare.net, www.rennies.co.uk.cdn.cloudflare.net, webmail.w3.org, sportytrader.de and w3.org share IP numbers with w3.org.cdn.cloudflare.net.

w3.org.cdn.cloudflare.net is handled by two mail servers: pan.w3.org and puck.w3.org.

w3.org.cdn.cloudflare.net uses the same mail server setup as other domains, for instance w3c.org and w3.org.

Some mail servers are shared between w3.org.cdn.cloudflare.net and other domains, for example ercim.eu.

These mail servers are often used with the mail servers richard.ercim.eu.

Host names with two IP numbers:

pan.w3.org points to: 2600:1f18:7d7a:2700:8cd1:70e3:5ee8:9bbc and 3.222.182.102

puck.w3.org points to: 2600:1f18:7d7a:2700:9f1c:6175:a32c:7874 and 34.196.82.207

dbq