CF1763104768330-tsm20251109205412

WWW.ROBTEX.COM - learn.cern

Search for IP or hostnames:

learn.cern checked at 2025-11-14T07:19:28.314Z 313ms 93/93/93 100% R:17 allDone:true timedOut:false

learn.cern

NSext-dns-1.cern.ch
A2001:1458:1:1::5🇨🇭 CERN
PTRext-dns-1.cern.ch
A192.65.187.5🇨🇭 CERN
PTRext-dns-1.cern.ch
NSext-dns-2.cern.ch
A2001:1458:1:2::100:85🇨🇭 CERN
PTRext-dns-2.cern.ch
A192.91.245.85🇨🇭 CERN
PTRext-dns-2.cern.ch
A2001:1458:201:8b::100:1c8🇨🇭 CERN
PTRlbaas-ed6043ec-be11-40f8-b8b7-ec7cedb5fdd9.cern.ch
A137.138.6.31🇨🇭 CERN
PTRlbaas-ed6043ec-be11-40f8-b8b7-ec7cedb5fdd9.cern.ch

cern

NSa0.nic.cern
NSa2.nic.cern
NSb0.nic.cern
NSc0.nic.cern

Starts with same word

Starts similarily

AI analysis

learn.cern resolves to two IP numbers: 2001:1458:201:8b::100:1c8 and 137.138.6.31.

Other host names, for instance isseg.eu, cixp.org, cixp.ch, lbaas-ed6043ec-be11-40f8-b8b7-ec7cedb5fdd9.cern.ch and www.cern share IP numbers with learn.cern.

Two name servers ext-dns-1.cern.ch and ext-dns-2.cern.ch handle delegation for learn.cern.

learn.cern uses the same name server setup as other domains, for example opendays.cern, paas-apps-shard-tn.cern.ch, db-lb-k8s-106.cern.ch, lhcathome-upload.cern.ch and box.cern.ch.

learn.cern partially shares name servers with other domains; examples include huma-num.fr, e.0.3.5.0.6.6.0.1.0.0.2.ip6.arpa, 110.48.193.in-addr.arpa, desy.de and 185.16.192.in-addr.arpa.

These name servers are commonly used alongside scsnms.switch.ch, ccpntc3.in2p3.fr, ccpnvx.in2p3.fr, ns0.diamond.ac.uk, ns1.diamond.ac.uk, whqdns1.who.int, whqdns2.who.int, whqdns3.who.int, way.desy.de and ns.esrf.fr.

Host names with two IP numbers:

ext-dns-1.cern.ch points to: 2001:1458:1:1::5 and 192.65.187.5

ext-dns-2.cern.ch points to: 2001:1458:1:2::100:85 and 192.91.245.85

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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