CF1759969473520-tsm20251008212832

WWW.RTSAK.COM - math.rug.nl

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math.rug.nl checked at 2025-10-09T00:24:33.414Z 645ms 97/97/97 100% R:18

math.rug.nl

NSdns1.rug.nl
A2001:610:1a08:14:129:125:4:1 🇳🇱 SURF
PTRdns1.rug.nl
A129.125.4.1🇳🇱 SURF
PTRdns1.rug.nl
NSdns2.rug.nl
A2001:610:1a08:13:129:125:50:2 🇳🇱 SURF
PTRdns2.rug.nl
A129.125.50.2🇳🇱 SURF
PTRdns2.rug.nl
NSdns3.rug.nl
A2001:610:1a08:14:129:125:4:3 🇳🇱 SURF
PTRdns3.rug.nl
A129.125.4.3🇳🇱 SURF
PTRdns3.rug.nl
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

rug.nl

MXaspmx2.googlemail.com
MXaspmx3.googlemail.com
NSdns1.rug.nl
NSdns2.rug.nl
NSdns3.rug.nl
NSns1.surfnet.nl
NSns2.surfnet.nl
MXaspmx.l.google.com
MXalt1.aspmx.l.google.com
MXalt2.aspmx.l.google.com
A2001:610:1a08:292:129:125:2:51 🇳🇱 SURF
A129.125.2.51🇳🇱 SURF
rank #2021 globally
rank #8 in the tld
This domain name "rug.nl" belongs to the University of Groningen, a public research university in the city of Groningen in the Netherlands. The abbreviation "rug" stands for "Rijksuniversiteit Groningen," which is Dutch for "University of Groningen." The ".nl" is the country code top-level domain (ccTLD) for the Netherlands.

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AI analysis

www.math.rug.nl has math.rug.nl as its parent.

math.rug.nl is delegated to name servers dns1.rug.nl, dns2.rug.nl and dns3.rug.nl.

math.rug.nl at least partially shares name servers with other domains such as 51.125.129.in-addr.arpa, 22.169.195.in-addr.arpa, fse.rug.nl, rechten.rug.nl and rcitlab.rug.nl.

These name servers are often used together with ns1.surfnet.nl, ns2.surfnet.nl, dns4.rug.nl, ns1.sron.rug.nl, ns2.sron.rug.nl, ns1.rgoc.rug.nl, ns2.rgoc.rug.nl and ns1.astro.rug.nl.

Host names with two IP numbers:

dns1.rug.nl points to 2001:610:1a08:14:129:125:4:1 and 129.125.4.1.

dns2.rug.nl points to 2001:610:1a08:13:129:125:50:2 and 129.125.50.2.

dns3.rug.nl points to 2001:610:1a08:14:129:125:4:3 and 129.125.4.3.

Two mail servers handle math.rug.nl: mx10.surfmailfilter.nl and mx11.surfmailfilter.nl.

math.rug.nl shares the same mail server setup as other domains, including rivm-bioinformatics.com, geteduroam.app, as1101.net, surfnet.eu and nip-netherlands.com.

math.rug.nl shares some mail servers with other domains, for instance aeresmbo.nl and aerestrainingcentre-barneveld.nl.

Host names with two IPs:

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

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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TFfpJMh CF johedugfp 2025-10-09