CF1760412369367-tsm20251012143351

DNSWHOIS.INFO - domjudge.org

Search for IP or hostnames:

domjudge.org checked at 2025-10-14T03:26:09.330Z 399ms 116/116/116 100% R:15

domjudge.org

MXmx10.surfmailfilter.nl
A2001:610:188:173:192:87:106:168 🇳🇱 SURF
A192.87.106.168🇳🇱 SURF
PTRmx10.surfmailfilter.nl
MXmx11.surfmailfilter.nl
A2001:610:1:40ab:195:169:13:8 🇳🇱 SURF
PTRmx11.surfmailfilter.nl
A195.169.13.8🇳🇱 SURF
PTRmx11.surfmailfilter.nl
NSns1.surfnet.nl
A2001:610:1:800a:192:87:106:101 🇳🇱 SURF
PTRns1.surfnet.nl
A192.87.106.101🇳🇱 SURF
PTRns1.surfnet.nl
NSns2.surfnet.nl
A2001:610:3:200a:192:87:36:2 🇳🇱 SURF
PTRns2.surfnet.nl
A192.87.36.2🇳🇱 SURF
PTRns2.surfnet.nl
NSns3.surfnet.nl
A2001:610:0:800c:195:169:124:71 🇳🇱 SURF
PTRns3.surfnet.nl
A195.169.124.71🇳🇱 SURF
NSns1.zurich.surf.net
A2001:620:0:9::1103 🇨🇭 SWITCH
PTRns1.zurich.surf.net
A195.176.255.9🇨🇭 SWITCH
PTRns1.zurich.surf.net
A2001:610:508:110::c057:6e65 🇳🇱 SURF
PTRdom.domjudge.org
A192.87.110.101🇳🇱 SURF
PTRdom.domjudge.org

org

NSa0.org.afilias-nst.info
NSa2.org.afilias-nst.info
NSc0.org.afilias-nst.info
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSd0.org.afilias-nst.org

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AI analysis

domjudge.org is a parent of www.domjudge.org and dom.domjudge.org.

domjudge.org points to two IP numbers: 2001:610:508:110::c057:6e65 and 192.87.110.101.

Other host names, for example domjudge.com, bapc.eu, dom.domjudge.org and nwerc.eu share IP numbers with domjudge.org.

domjudge.org is delegated to four name servers: ns1.surfnet.nl, ns2.surfnet.nl, ns3.surfnet.nl and ns1.zurich.surf.net.

domjudge.org shares name servers with other domains at least partially, for instance ardboudumc.nl, 100jaarbakkerij.nl, soiltransplantation.com, 70.174.131.in-addr.arpa and windesheimflevoland.nl.

these name servers are commonly paired with umcdns03.azn.nl, ns-ext-01.wur.nl, ns01.rocmondriaan.nl, ns02.rocmondriaan.nl, ns1.saxion.nl, ns2.saxion.nl, ns1.ssc-campus.nl, ns2.ssc-campus.nl and ns2.maastrichtuniversity.eu.

Host names with two IP numbers:

ns1.surfnet.nl resolves to 2001:610:1:800a:192:87:106:101 and 192.87.106.101.

ns2.surfnet.nl resolves to 2001:610:3:200a:192:87:36:2 and 192.87.36.2.

ns3.surfnet.nl resolves to 2001:610:0:800c:195:169:124:71 and 195.169.124.71.

ns1.zurich.surf.net resolves to 2001:620:0:9::1103 and 195.176.255.9.

domjudge.org is handled by two mail servers: mx10.surfmailfilter.nl and mx11.surfmailfilter.nl.

domjudge.org shares the same mail server setup as other domains, including healthcareperformancereport.nl, opduurzamewijze.nl, vuamsterdam.eu, fdpmw0113uns40o.unimaas.nl and timur.nl.

At least part of domjudge.org's mail servers are shared with other domains, for instance aerestrainingcentre.nl and aeresvmbo.nl.

Host names with two IP numbers:

The host mx10.surfmailfilter.nl points to 2001:610:188:173:192:87:106:168 and 192.87.106.168.

The host mx11.surfmailfilter.nl points to 2001:610:1:40ab:195:169:13:8 and 195.169.13.8.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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NkZOQmi CF johedugfp 2025-10-14