CF1761228040566-tsm20251017082432

IPLIST.NET - 21.134.in-addr.arpa

Search for IP or hostnames:

21.134.in-addr.arpa checked at 2025-10-23T14:00:40.538Z 352ms 46/46/46 100% R:15

21.134.in-addr.arpa

NSscsnms.switch.ch
A2001:620:0:ff::a7 🇨🇭 SWITCH
PTRscsnms.switch.ch
A130.59.31.26🇨🇭 SWITCH
PTRscsnms.switch.ch
NSsiuftesun11.unifr.ch
A134.21.201.200🇨🇭 SWITCH
PTRsiuftesun11.unifr.ch
NSsiuftesun12.unifr.ch
A134.21.202.200🇨🇭 SWITCH
PTRsiuftesun12.unifr.ch

134.in-addr.arpa

NSr.arin.net
NSu.arin.net
NSx.arin.net
NSy.arin.net
NSz.arin.net
NSarin.authdns.ripe.net

Starts with same word

Starts similarily

AI analysis

21.134.in-addr.arpa is delegated to three name servers: scsnms.switch.ch, siuftesun11.unifr.ch and siuftesun12.unifr.ch.

21.134.in-addr.arpa at least partially shares name servers with other domains, for instance vaduz.li, csar3d.com, nrp62.ch, datenschutzstelle.li and semcadx.com.

These name servers are often used together with the name servers ns2.switch.ch, ext-dns-1.cern.ch, ext-dns-2.cern.ch, ns01.geant.net, ns02.geant.net, ns03.geant.net, ns1.ja.net, pdns1.llv.li, pdns.llv.li and ns1.speag.com.

Host names with two IPs:

scsnms.switch.ch points to 2001:620:0:ff::a7 and 130.59.31.26.

Host names with one IP:

siuftesun11.unifr.ch points to 134.21.201.200.

siuftesun12.unifr.ch points to 134.21.202.200.

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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