gitlab.cern.ch - dns.ninja

gitlab.cern.ch

DNSSEC⚠️ Not signed
A2001:1458:d00:13::100:109🇨🇭 CERN2001:1458::/32 European Organization for Nuclear Research
PTRgitlab-okd-gitlab-ingress-prd-avz-a-hdm8q.cern.ch
A2001:1458:d00:24::100:1b🇨🇭 CERN2001:1458::/32 European Organization for Nuclear Research
A2001:1458:d00:3a::100:100🇨🇭 CERN2001:1458::/32 European Organization for Nuclear Research
A2001:1458:d00:3a::100:332🇨🇭 CERN2001:1458::/32 European Organization for Nuclear Research
A2001:1458:d00:61::100:68🇨🇭 CERN2001:1458::/32 European Organization for Nuclear Research
A2001:1458:d00:61::100:205🇨🇭 CERN2001:1458::/32 European Organization for Nuclear Research
A137.138.155.161🇨🇭 CERN137.138.0.0/16 -LAN1
A188.184.99.158🇨🇭 CERN188.184.0.0/16 -GPN2
A188.184.99.238🇨🇭 CERN188.184.0.0/16 -GPN2
A188.185.43.149🇨🇭 CERN188.185.0.0/16 -DATACENTRE
A188.185.50.215🇨🇭 CERN188.185.0.0/16 -DATACENTRE
A188.185.51.254🇨🇭 CERN188.185.0.0/16 -DATACENTRE
NSext-dns-1.cern.ch ⭐ ⚠️ Not in parent delegation
A2001:1458:1:1::5🇨🇭 CERN2001:1458::/32 European Organization for Nuclear Research
PTRext-dns-1.cern.ch
A192.65.187.5🇨🇭 CERN192.65.184.0/21 -BLK2
PTRext-dns-1.cern.ch
NSext-dns-2.cern.ch ⚠️ Not in parent delegation
A2001:1458:1:2::100:85🇨🇭 CERN2001:1458::/32 European Organization for Nuclear Research
PTRext-dns-2.cern.ch
A192.91.245.85🇨🇭 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 serial=2

cern.ch

DNSSEC⚠️ Not signed
A2001:1458:d00:3c::100:2f9🇨🇭 CERN2001:1458::/32 European Organization for Nuclear Research
A188.184.77.250🇨🇭 CERN188.184.0.0/16 -GPN2
NSext-dns-1.cern.ch ⭐
NSext-dns-2.cern.ch
NSscsnms.switch.ch ⚠️ Not in parent delegation
MXcern-ch.mail.protection.outlook.com ⭐
TXTautodesk-domain-verification=5Lt81tqLuEgD4wCC73YQ
TXTgoqTmP4CYqgXEPONka9g8FCGD4vpvjieG4RI5NLxYZsBh/y5p88K9ym3zIFcLVbaYQdJkdhfYcjAD...
TXTmistral-domain-verification=3a255465ec599b8016fb91a2f8563cc304e3b95d
TXTgoogle-site-verification=aoFc91q4kA9Xp_-Z_AFY1gI0AmXpTXIMcGseZfvH0J8
TXTsinch-domain-verification=1fa8887b-9312-4ca2-85f8-75f7c1ba81fd
TXTopenai-domain-verification=dv-R5PuLWpZKT8QhVzrlbLDHvBz
TXTMS=ms44269116
TXTv=spf1 include:spf.cern.ch ?all
TXTcursor-domain-verification-8t0p9r=J6wFIABgbtZfHacKasG8HDZ1p
TXTanthropic-domain-verification-4kfdsh=uvjsOh2bjwteama1zHsw7FZtw
SOAext-dns-1.cern.chexternal-dns@cern.ch serial=2013769553
WOT: SAFE (82/100)
rank #1191 globally
rank #5 in the tld

cern.ch

cern.ch is the official website of the European Organization for Nuclear Research (CERN), the leading particle‑physics laboratory in Europe.

Key facts

  • Owner / operator: European Organization for Nuclear Research (CERN)
  • TLD: .ch— Switzerland ccTLD
  • Primary purpose: public portal for research information, news, and services of CERN
  • Status: active
WOT: SAFE (88/100)
📈 Tranco rank: #2,812

Same first word

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gitlab.tech.orange
gitlab.at
gitlab.ac.gov.br
gitlab.hk
gitlab.space
gitlab.online
gitlab.sbs
gitlab.no
gitlab.tv
gitlab.freedesktop.org
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gitlab.fr
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gitlab.host
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gitlab.org
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Similar names

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tiglab.pl
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ailgbt.com
biltag.nu
tablig.ws

DNS History

44 records (14 active, 30 former)

NSext-dns-1.cern.chext-dns-2.cern.chA137.138.155.161188.184.99.158188.184.99.238188.185.43.149188.185.50.215188.185.51.2542001:1458:d00:13::100:1092001:1458:d00:24::100:1b2001:1458:d00:3a::100:1002001:1458:d00:3a::100:3322001:1458:d00:61::100:2052001:1458:d00:61::100:68188.184.105.117188.184.109.119188.184.109.23188.184.118.79188.184.91.102188.185.11.106188.185.15.101188.185.15.160188.185.22.120188.185.25.125188.185.25.203188.185.31.211188.185.34.83188.185.35.37188.185.9.1422001:1458:201:e4::100:5582001:1458:d00:2c::100:35c2001:1458:d00:2c::100:40b2001:1458:d00:2d::100:3bb2001:1458:d00:32::100:1c12001:1458:d00:63::100:3772001:1458:d00:63::100:3ac2001:1458:d00:64::100:2c32001:1458:d00:64::100:ac2001:1458:d00:66::100:39c2001:1458:d00:67::100:3132001:1458:d00:67::100:3272001:1458:d00:68::100:182001:1458:d00:69::100:1fb2001:1458:d00:69::100:d0
●NSext-dns-1.cern.ch2026-04-03 → 2026-07-16 · 2 obs
● 2026-04-03 01:05:32
● 2026-07-16 03:04:14
●NSext-dns-2.cern.ch2026-04-03 → 2026-07-16 · 2 obs
● 2026-04-03 01:05:32
● 2026-07-16 03:04:14
●A137.138.155.1612026-04-03 → 2026-07-16 · 3 obs
○ 2026-03-28 10:10:38
● 2026-04-03 01:05:32
● 2026-07-16 03:04:14
○A188.184.105.1172026-03-16 → 2026-03-28 · 4 obs
● 2026-03-16 14:13:08
● 2026-03-28 10:10:38
○ 2026-04-03 01:05:32
○ 2026-07-16 03:04:14
○A188.184.109.1192026-03-16 → 2026-03-28 · 4 obs
● 2026-03-16 14:13:08
● 2026-03-28 10:10:38
○ 2026-04-03 01:05:32
○ 2026-07-16 03:04:14
○A188.184.109.232026-03-16 → 2026-03-28 · 4 obs
● 2026-03-16 14:13:08
● 2026-03-28 10:10:38
○ 2026-04-03 01:05:32
○ 2026-07-16 03:04:14
○A188.184.118.792026-03-16 → 2026-03-28 · 4 obs
● 2026-03-16 14:13:08
● 2026-03-28 10:10:38
○ 2026-04-03 01:05:32
○ 2026-07-16 03:04:14
○A188.184.91.1022026-03-16 → 2026-03-28 · 4 obs
● 2026-03-16 14:13:08
● 2026-03-28 10:10:38
○ 2026-04-03 01:05:32
○ 2026-07-16 03:04:14
●A188.184.99.1582026-04-03 → 2026-07-16 · 3 obs
○ 2026-03-28 10:10:38
● 2026-04-03 01:05:32
● 2026-07-16 03:04:14
●A188.184.99.2382026-04-03 → 2026-07-16 · 3 obs
○ 2026-03-28 10:10:38
● 2026-04-03 01:05:32
● 2026-07-16 03:04:14
○A188.185.11.1062026-03-16 → 2026-03-28 · 4 obs
● 2026-03-16 14:13:08
● 2026-03-28 10:10:38
○ 2026-04-03 01:05:32
○ 2026-07-16 03:04:14
○A188.185.15.1012026-03-16 → 2026-03-28 · 4 obs
● 2026-03-16 14:13:08
● 2026-03-28 10:10:38
○ 2026-04-03 01:05:32
○ 2026-07-16 03:04:14
○A188.185.15.1602026-03-16 → 2026-03-28 · 4 obs
● 2026-03-16 14:13:08
● 2026-03-28 10:10:38
○ 2026-04-03 01:05:32
○ 2026-07-16 03:04:14
○A188.185.22.1202026-03-16 → 2026-03-28 · 4 obs
● 2026-03-16 14:13:08
● 2026-03-28 10:10:38
○ 2026-04-03 01:05:32
○ 2026-07-16 03:04:14
○A188.185.25.1252026-03-16 → 2026-03-28 · 4 obs
● 2026-03-16 14:13:08
● 2026-03-28 10:10:38
○ 2026-04-03 01:05:32
○ 2026-07-16 03:04:14
○A188.185.25.2032026-03-16 → 2026-03-28 · 4 obs
● 2026-03-16 14:13:08
● 2026-03-28 10:10:38
○ 2026-04-03 01:05:32
○ 2026-07-16 03:04:14
○A188.185.31.2112026-03-16 → 2026-03-28 · 4 obs
● 2026-03-16 14:13:08
● 2026-03-28 10:10:38
○ 2026-04-03 01:05:32
○ 2026-07-16 03:04:14
○A188.185.34.832026-03-16 → 2026-03-28 · 4 obs
● 2026-03-16 14:13:08
● 2026-03-28 10:10:38
○ 2026-04-03 01:05:32
○ 2026-07-16 03:04:14
○A188.185.35.372026-03-16 → 2026-03-28 · 4 obs
● 2026-03-16 14:13:08
● 2026-03-28 10:10:38
○ 2026-04-03 01:05:32
○ 2026-07-16 03:04:14
●A188.185.43.1492026-04-03 → 2026-07-16 · 3 obs
○ 2026-03-28 10:10:38
● 2026-04-03 01:05:32
● 2026-07-16 03:04:14
●A188.185.50.2152026-04-03 → 2026-07-16 · 3 obs
○ 2026-03-28 10:10:38
● 2026-04-03 01:05:32
● 2026-07-16 03:04:14
●A188.185.51.2542026-04-03 → 2026-07-16 · 3 obs
○ 2026-03-28 10:10:38
● 2026-04-03 01:05:32
● 2026-07-16 03:04:14
○A188.185.9.1422026-03-16 → 2026-03-28 · 4 obs
● 2026-03-16 14:13:08
● 2026-03-28 10:10:38
○ 2026-04-03 01:05:32
○ 2026-07-16 03:04:14
○A2001:1458:201:e4::100:5582026-03-16 → 2026-03-28 · 4 obs
● 2026-03-16 14:13:08
● 2026-03-28 10:10:38
○ 2026-04-03 01:05:32
○ 2026-07-16 03:04:14
●A2001:1458:d00:13::100:1092026-04-03 → 2026-07-16 · 3 obs
○ 2026-03-28 10:10:38
● 2026-04-03 01:05:32
● 2026-07-16 03:04:14
●A2001:1458:d00:24::100:1b2026-04-03 → 2026-07-16 · 3 obs
○ 2026-03-28 10:10:38
● 2026-04-03 01:05:32
● 2026-07-16 03:04:14
○A2001:1458:d00:2c::100:35c2026-03-16 → 2026-03-28 · 4 obs
● 2026-03-16 14:13:08
● 2026-03-28 10:10:38
○ 2026-04-03 01:05:32
○ 2026-07-16 03:04:14
○A2001:1458:d00:2c::100:40b2026-03-16 → 2026-03-28 · 4 obs
● 2026-03-16 14:13:08
● 2026-03-28 10:10:38
○ 2026-04-03 01:05:32
○ 2026-07-16 03:04:14
○A2001:1458:d00:2d::100:3bb2026-03-16 → 2026-03-28 · 4 obs
● 2026-03-16 14:13:08
● 2026-03-28 10:10:38
○ 2026-04-03 01:05:32
○ 2026-07-16 03:04:14
○A2001:1458:d00:32::100:1c12026-03-16 → 2026-03-28 · 4 obs
● 2026-03-16 14:13:08
● 2026-03-28 10:10:38
○ 2026-04-03 01:05:32
○ 2026-07-16 03:04:14
●A2001:1458:d00:3a::100:1002026-04-03 → 2026-07-16 · 3 obs
○ 2026-03-28 10:10:38
● 2026-04-03 01:05:32
● 2026-07-16 03:04:14
●A2001:1458:d00:3a::100:3322026-04-03 → 2026-07-16 · 3 obs
○ 2026-03-28 10:10:38
● 2026-04-03 01:05:32
● 2026-07-16 03:04:14
●A2001:1458:d00:61::100:2052026-04-03 → 2026-07-16 · 3 obs
○ 2026-03-28 10:10:38
● 2026-04-03 01:05:32
● 2026-07-16 03:04:14
●A2001:1458:d00:61::100:682026-04-03 → 2026-07-16 · 3 obs
○ 2026-03-28 10:10:38
● 2026-04-03 01:05:32
● 2026-07-16 03:04:14
○A2001:1458:d00:63::100:3772026-03-16 → 2026-03-28 · 4 obs
● 2026-03-16 14:13:08
● 2026-03-28 10:10:38
○ 2026-04-03 01:05:32
○ 2026-07-16 03:04:14
○A2001:1458:d00:63::100:3ac2026-03-16 → 2026-03-28 · 4 obs
● 2026-03-16 14:13:08
● 2026-03-28 10:10:38
○ 2026-04-03 01:05:32
○ 2026-07-16 03:04:14
○A2001:1458:d00:64::100:2c32026-03-16 → 2026-03-28 · 4 obs
● 2026-03-16 14:13:08
● 2026-03-28 10:10:38
○ 2026-04-03 01:05:32
○ 2026-07-16 03:04:14
○A2001:1458:d00:64::100:ac2026-03-16 → 2026-03-28 · 4 obs
● 2026-03-16 14:13:08
● 2026-03-28 10:10:38
○ 2026-04-03 01:05:32
○ 2026-07-16 03:04:14
○A2001:1458:d00:66::100:39c2026-03-16 → 2026-03-28 · 4 obs
● 2026-03-16 14:13:08
● 2026-03-28 10:10:38
○ 2026-04-03 01:05:32
○ 2026-07-16 03:04:14
○A2001:1458:d00:67::100:3132026-03-16 → 2026-03-28 · 4 obs
● 2026-03-16 14:13:08
● 2026-03-28 10:10:38
○ 2026-04-03 01:05:32
○ 2026-07-16 03:04:14
○A2001:1458:d00:67::100:3272026-03-16 → 2026-03-28 · 4 obs
● 2026-03-16 14:13:08
● 2026-03-28 10:10:38
○ 2026-04-03 01:05:32
○ 2026-07-16 03:04:14
○A2001:1458:d00:68::100:182026-03-16 → 2026-03-28 · 4 obs
● 2026-03-16 14:13:08
● 2026-03-28 10:10:38
○ 2026-04-03 01:05:32
○ 2026-07-16 03:04:14
○A2001:1458:d00:69::100:1fb2026-03-16 → 2026-03-28 · 4 obs
● 2026-03-16 14:13:08
● 2026-03-28 10:10:38
○ 2026-04-03 01:05:32
○ 2026-07-16 03:04:14
○A2001:1458:d00:69::100:d02026-03-16 → 2026-03-28 · 4 obs
● 2026-03-16 14:13:08
● 2026-03-28 10:10:38
○ 2026-04-03 01:05:32
○ 2026-07-16 03:04:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cha.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...-
cern.chext-dns-1.cern.ch, scsnms.switch.ch, ext-dns-2.cern.ch6 records

✅ Authoritative Response

Server:192.91.245.85

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cern.ch (unsigned zone)

⏱️ Timing

Total: 729ms | Queries: -

📄 Records

TypeCountSample Data
A6188.185.43.149, 188.184.99.238...
AAAA62001:1458:d00:3a::100:100, 2001:1458:d00:61::100:205...
NS2ext-dns-1.cern.ch, ext-dns-2.cern.ch
SOA1ext-dns-1.cern.ch external-dns.cern.ch

📌 Glue Records Collected

Total: 6

In-bailiwick: 4 (ext-dns-1.cern.ch, ext-dns-2.cern.ch, ext-dns-1.cern.ch...)

Out-of-bailiwick: 2 (scsnms.switch.ch, scsnms.switch.ch)

Analysis

IP Addresses

With 12 IP addresses in total, gitlab.cern.ch resolves to 137.138.155.161, 188.184.99.158, 188.184.99.238 and 9 other.

gitlab-okd-gitlab-ingress-prd-avz-b-2m7cc.cern.ch, gitlab-okd-gitlab-ingress-prd-avz-c-mdfs6.cern.ch, gitlab-okd-gitlab-ingress-prd-avz-c-wg7ns.cern.ch and gitlab-okd-gitlab-ingress-prd-avz-a-hdm8q.cern.ch are among the host names that share IP numbers with gitlab.cern.ch.

Name Servers

gitlab.cern.ch has two authoritative name servers — ext-dns-1.cern.ch and ext-dns-2.cern.ch.

gitlab.cern.ch has the same name server delegation as a number of other domains, such as fluka.org, compass.cern, bigpanda-lb.cern.ch and two more.

There is at least partial name server overlap between gitlab.cern.ch and other domains — 158.134.in-addr.arpa, 96.48.193.in-addr.arpa, 161.190.194.in-addr.arpa and two more among them.

These name servers regularly appear alongside scsnms.switch.ch, ip-cahcp-1.cern.ch, ip-cahcp-2.cern.ch and 7 other name servers in NS record sets.

Both ext-dns-1.cern.ch and ext-dns-2.cern.ch have two IP addresses each. ext-dns-1.cern.ch resolves to 192.65.187.5 and 2001:1458:1:1::5; ext-dns-2.cern.ch resolves to 192.91.245.85 and 2001:1458:1:2::100:85.