chis.cern - robtex.com

chis.cern

DNSSECโš ๏ธ Not signed
A2001:1458:d00:3c::100:d7๐Ÿ‡จ๐Ÿ‡ญ CERN2001:1458::/32 European Organization for Nuclear Research
PTRlbaas-fc36cd0e-c9d9-466e-9869-b292a072f417.cern.ch
A188.184.76.146๐Ÿ‡จ๐Ÿ‡ญ CERN188.184.0.0/16 -GPN2
NSext-dns-1.cern.ch โญ
A2001:1458:1:1::5๐Ÿ‡จ๐Ÿ‡ญ CERN2001:1458::/32 European Organization for Nuclear Research
PTRext-dns-1.cern.ch
A192.65.187.5๐Ÿ‡จ๐Ÿ‡ญ CERN192.65.184.0/21 -BLK2
PTRext-dns-1.cern.ch
NSext-dns-2.cern.ch
A2001:1458:1:2::100:85๐Ÿ‡จ๐Ÿ‡ญ CERN2001:1458::/32 European Organization for Nuclear Research
PTRext-dns-2.cern.ch
A192.91.245.85๐Ÿ‡จ๐Ÿ‡ญ CERN192.91.244.0/23 - European Laboratory for Particle Physics CH-1211 Geneva 23, Switzerland
PTRext-dns-2.cern.ch
SOAext-dns-1.cern.chexternal-dns@cern.ch 2017-10-11 #5

cern

DNSSEC๐Ÿ”’ Signed (DS record present)
NSa0.nic.cern โญ
NSa2.nic.cern
NSb0.nic.cern
NSc0.nic.cern
SOAa0.nic.cernhostmaster@donuts.email serial=1778402923

Same first word

Similar names

DNS History

4 records (4 active, 0 former)

NSext-dns-1.cern.chext-dns-2.cern.chA188.184.76.1462001:1458:d00:3c::100:d7
โ—NSext-dns-1.cern.ch2026-04-28 โ†’ 2026-05-10 ยท 2 obs
โ— 2026-04-28 22:47:12
โ— 2026-05-10 08:55:34
โ—NSext-dns-2.cern.ch2026-04-28 โ†’ 2026-05-10 ยท 2 obs
โ— 2026-04-28 22:47:12
โ— 2026-05-10 08:55:34
โ—A188.184.76.1462026-04-28 โ†’ 2026-05-10 ยท 2 obs
โ— 2026-04-28 22:47:12
โ— 2026-05-10 08:55:34
โ—A2001:1458:d00:3c::100:d72026-04-28 โ†’ 2026-05-10 ยท 2 obs
โ— 2026-04-28 22:47:12
โ— 2026-05-10 08:55:34

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
cernb0.nic.cern, a0.nic.cern, c0.nic.cern, a2.nic.cern8 records
chis.cernext-dns-1.cern.ch, ext-dns-2.cern.ch-

โœ… Authoritative Response

Server:192.91.245.85

NS records: ext-dns-1.cern.ch, ext-dns-2.cern.ch

๐Ÿ”’ DNSSEC Status

โš ๏ธ Insecure (no DNSSEC)

No DS record for chis.cern (unsigned zone)

โฑ๏ธ Timing

Total: 674ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A1188.184.76.146
AAAA12001:1458:d00:3c::100:d7
NS2ext-dns-2.cern.ch, ext-dns-1.cern.ch
SOA1ext-dns-1.cern.ch external-dns.cern.ch

๐Ÿ“Œ Glue Records Collected

Total: 8

In-bailiwick: 8 (b0.nic.cern, b0.nic.cern, a0.nic.cern...)

Analysis

IP Addresses

chis.cern resolves to two IP numbers: 2001:1458:d00:3c::100:d7 and 188.184.76.146.

Other host names, for instance lbaas-fc36cd0e-c9d9-466e-9869-b292a072f417.cern.ch, opendays.cern, acceleratingnews.eu, webfest.cern and cms.cern share IP numbers with chis.cern.

Name Servers

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

chis.cern uses the same name server setup as other domains, for example cernbox.cern.ch, piwiklb.cern.ch, belgium.cern, scienceinschool.org and accelerators.cern.

chis.cern partially shares name servers with other domains; examples include cixp.org, ifcs.ch, oms.org, nikhef.nl and cixp.ch.

These name servers are commonly used alongside scsnms.switch.ch, ip-cahcp-1.cern.ch, ip-cahcp-2.cern.ch, ccpntc3.in2p3.fr, ccpnvx.in2p3.fr, whqdns1.who.int, whqdns2.who.int, whqdns3.who.int, ns0.diamond.ac.uk and ns1.diamond.ac.uk.

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