CF1757921581774-tsm20250914164358

DNSWHOIS.INFO - greybook.cern.ch

Search for IP or hostnames:

greybook.cern.ch checked at 2025-09-15T07:33:01.760Z 235ms 71/71/71 100% R:32

greybook.cern.ch

CNAMEdb-lb-1236.cern.ch
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:d00:5e::156 🇨🇭 CERN
PTRit-aw1011-v2.cern.ch
A137.138.92.156🇨🇭 CERN
PTRit-aw1011-v2.cern.ch

cern.ch

NSext-dns-1.cern.ch
NSext-dns-2.cern.ch
NSscsnms.switch.ch
MXcern-ch.mail.protection.outlook.com
A2001:1458:d00:3c::100:2f9 🇨🇭 CERN
A188.184.77.250🇨🇭 CERN
rank #1225 globally
rank #5 in the tld
This domain "cern.ch" refers to the official website of the European Organization for Nuclear Research, better known as CERN. Based in Switzerland, CERN is renowned for its cutting-edge research in particle physics, including the discovery of the Higgs boson particle. "CERN" stands for "Conseil Européen pour la Recherche Nucléaire," which translates to "European Council for Nuclear Research".

Starts with same word

Starts similarily

AI analysis

greybook.cern.ch points to two IP numbers: 2001:1458:d00:5e::156 and 137.138.92.156.

IP numbers are shared by greybook.cern.ch with other host names like it-aw1011-v2.cern.ch, db-lb-139.cern.ch, db-lb-k8s-106.cern.ch, db-lb-1236.cern.ch, and db-lb-131.cern.ch.

Two name servers, ext-dns-1.cern.ch and ext-dns-2.cern.ch, are delegated to greybook.cern.ch.

The name server setup of greybook.cern.ch is shared with other domains such as paas-apps-shard-tn.cern.ch, db-lb-k8s-106.cern.ch, lhcathome-upload.cern.ch, box.cern.ch, and zenodo.eu.

The domain greybook.cern.ch shares its name servers at least partially with other domains such as 110.48.193.in-addr.arpa, desy.de, 185.16.192.in-addr.arpa, 126.83.195.in-addr.arpa, and 103.160.in-addr.arpa.

The name servers scsnms.switch.ch, ccpntc3.in2p3.fr, ccpnvx.in2p3.fr, whqdns1.who.int, whqdns2.who.int, whqdns3.who.int, ns0.diamond.ac.uk, ns1.diamond.ac.uk, way.desy.de, and dwalin.nikhef.nl are often used in conjunction.

ext-dns-1.cern.ch and ext-dns-2.cern.ch each point to two IP numbers: 2001:1458:1:1::5, 192.65.187.5 and 2001:1458:1:2::100:85, 192.91.245.85 respectively.

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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ycfsrdP CF johedugfp 2025-09-15