DNSWHOIS.INFO - www.cern
Search for IP or hostnames:
www.cern checked at 2025-09-05T21:56:38.355Z 232ms 63/63/63 100% R:17www.cern
| NS | ext-dns-1.cern.ch | ||||||
| A | 2001:1458:1:1::5 🇨🇭 CERN | ||||||
| PTR | ext-dns-1.cern.ch | ||||||
| A | 192.65.187.5🇨🇭 CERN | ||||||
| PTR | ext-dns-1.cern.ch | ||||||
| NS | ext-dns-2.cern.ch | ||||||
| A | 2001:1458:1:2::100:85 🇨🇭 CERN | ||||||
| PTR | ext-dns-2.cern.ch | ||||||
| A | 192.91.245.85🇨🇭 CERN | ||||||
| PTR | ext-dns-2.cern.ch | ||||||
| A | 2001:1458:201:8b::100:1c8 🇨🇭 CERN | ||||||
| PTR | lbaas-ed6043ec-be11-40f8-b8b7-ec7cedb5fdd9.cern.ch | ||||||
| A | 137.138.6.31🇨🇭 CERN | ||||||
| PTR | lbaas-ed6043ec-be11-40f8-b8b7-ec7cedb5fdd9.cern.ch | ||||||
cern
| NS | a0.nic.cern | ||||||
| NS | a2.nic.cern | ||||||
| NS | b0.nic.cern | ||||||
| NS | c0.nic.cern | ||||||
AI analysis
www.cern points to two IP numbers: 2001:1458:201:8b::100:1c8 and 137.138.6.31.
IP numbers are shared between www.cern and other host names like isseg.eu, cixp.org, cixp.ch, lbaas-ed6043ec-be11-40f8-b8b7-ec7cedb5fdd9.cern.ch, and unosat.org.
Two name servers, ext-dns-1.cern.ch and ext-dns-2.cern.ch, are delegated to www.cern.
The name server setup of www.cern is shared with other domains such as db-lb-137.cern.ch, paas-apps-shard-4.cern.ch, inspirelb.cern.ch, paas-apps-lb-1.cern.ch, and paas-apps-lb-tn.cern.ch.
The domain www.cern shares its name servers, at least partially, with other domains such as 185.188.in-addr.arpa, 83.48.193.in-addr.arpa, atachcop.com, gpmb.org, and 186.16.192.in-addr.arpa.
The name servers scsnms.switch.ch, whqdns1.who.int, whqdns2.who.int, whqdns3.who.int, ccpntc3.in2p3.fr, ccpnvx.in2p3.fr, and way.desy.de are frequently utilized in conjunction.
ext-dns-1.cern.ch and ext-dns-2.cern.ch both point to pairs of IP numbers.
For ext-dns-1.cern.ch, the IPs are 2001:1458:1:1::5 and 192.65.187.5, while for ext-dns-2.cern.ch, they are 2001:1458:1:2::100:85 and 192.91.245.85.