CF1759463749723-tsm20251002182459

WWW.ROBTEX.COM - sigsem.org

Search for IP or hostnames:

sigsem.org checked at 2025-10-03T03:55:49.706Z 226ms 155/155/155 100% R:13

sigsem.org

MXsmtpextern.rug.nl
A129.125.2.94🇳🇱 SURF
PTRsmtpextern.rug.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
MXmail.sigsem.org
A87.230.87.152🇫🇷 GD-EMEA-DC-SXB1
PTRlvps87-230-87-152.dedicated.hosteurope.de
NSns1.zurich.surf.net
A2001:620:0:9::1103🇨🇭 SWITCH
PTRns1.zurich.surf.net
A195.176.255.9🇨🇭 SWITCH
PTRns1.zurich.surf.net
A129.125.2.212🇳🇱 SURF
PTRk8s05.rug.nl

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

Up

Starts with same word

Starts similarily

AI analysis

sigsem.org is a parent of mail.sigsem.org and www.sigsem.org.

sigsem.org resolves to one IP number: 129.125.2.212.

other host names including etenvoordewetenschap.nl, cope-research.nl, equiip.eu, ics-graduateschool.nl and hadrianus.it share IP numbers with sigsem.org.

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

sigsem.org at least partially shares name servers with other domains, for instance 36.97.145.in-addr.arpa, werkenbijdepolitieacademie.nl, cesar-database.nl, kempel.nl and nin.knaw.nl.

Name servers commonly used together include ns-ext-01.wur.nl, ns2.maastrichtuniversity.eu, ns1.maastrichtuniversity.nl, ns1-konbib.kb.nl, ns01.rocmondriaan.nl, ns02.rocmondriaan.nl, umcdns03.azn.nl, cesano.nikhef.nl and dwalin.nikhef.nl.

Host names with two IP numbers:

ns1.surfnet.nl points to 2001:610:1:800a:192:87:106:101 and 192.87.106.101; ns2.surfnet.nl points to 2001:610:3:200a:192:87:36:2 and 192.87.36.2; ns3.surfnet.nl points to 2001:610:0:800c:195:169:124:71 and 195.169.124.71; ns1.zurich.surf.net points to 2001:620:0:9::1103 and 195.176.255.9.

Two mail servers handle sigsem.org: smtpextern.rug.nl and mail.sigsem.org.

sigsem.org shares some mail servers with other domains, at least partially, for instance nir-roma.it, blakan.nl, ejlw.eu, euklems.net and quantumdevices.nl.

Host names with one IP number:

smtpextern.rug.nl points to 129.125.2.94

mail.sigsem.org points to 87.230.87.152

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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tEyVQZE CF johedugfp 2025-10-03