cms-analysis.docs.cern.ch - dns.ninja

cms-analysis.docs.cern.ch

CNAMEwebeos-apps-shard-1.cern.ch
DNSSECโš ๏ธ Not signed
A2001:1458:d00:17::100:9e๐Ÿ‡จ๐Ÿ‡ญ CERN2001:1458::/32 European Organization for Nuclear Research
PTRrouter-apps-shard-1-avz-b-r5qd4.cern.ch
A2001:1458:d00:2c::100:32c๐Ÿ‡จ๐Ÿ‡ญ CERN2001:1458::/32 European Organization for Nuclear Research
A2001:1458:d00:39::100:130๐Ÿ‡จ๐Ÿ‡ญ CERN2001:1458::/32 European Organization for Nuclear Research
A137.138.55.232๐Ÿ‡จ๐Ÿ‡ญ CERN137.138.0.0/16 -LAN1
A188.184.96.45๐Ÿ‡จ๐Ÿ‡ญ CERN188.184.0.0/16 -GPN2
A188.184.111.229๐Ÿ‡จ๐Ÿ‡ญ CERN188.184.0.0/16 -GPN2
NSext-dns-1.cern.ch โญ โš ๏ธ Not in parent delegation
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 โš ๏ธ Not in parent delegation
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 serial=1106

docs.cern.ch

DNSSECโš ๏ธ Not signed
NSext-dns-1.cern.ch โญ โš ๏ธ Not in parent delegation
NSext-dns-2.cern.ch โš ๏ธ Not in parent delegation
SOAext-dns-1.cern.chexternal-dns@cern.ch serial=4247
WOT: SAFE (66/100)
WOT: SAFE (82/100)

DNS History

1 record (1 active, 0 former)

CNAMEwebeos-apps-shard-1.cern.ch
โ—CNAMEwebeos-apps-shard-1.cern.ch2026-07-05 โ†’ 2026-08-05 ยท 2 obs
โ— 2026-07-05 03:00:56
โ— 2026-08-05 03:55:40

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
chd.nic.ch, e.nic.ch, b.nic.ch, a.nic.ch...-
cern.chscsnms.switch.ch, ext-dns-1.cern.ch, ext-dns-2.cern.ch6 records

โœ… Authoritative Response

Server:192.91.245.85

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

๐Ÿ”’ DNSSEC Status

โš ๏ธ Insecure (no DNSSEC)

No DS record for cern.ch (unsigned zone)

โฑ๏ธ Timing

Total: 1009ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
CNAME1webeos-apps-shard-1.cern.ch

๐Ÿ“Œ 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

cms-analysis.docs.cern.ch directs to 6 IP numbers: 137.138.55.232, 188.184.96.45, 188.184.111.229 and 3 other.

webeos-apps-shard-1.cern.ch and router-apps-shard-1-avz-b-r5qd4.cern.ch, along with other host names, share IP addresses with cms-analysis.docs.cern.ch.

Name Servers

DNS delegation for cms-analysis.docs.cern.ch points to two name servers: ext-dns-1.cern.ch and ext-dns-2.cern.ch.

cms-analysis.docs.cern.ch shares its NS records with other domains, for example 8.5.4.1.1.0.0.2.ip6.arpa, db-lb-139.cern.ch, db-lb-185.cern.ch and two others.

cms-analysis.docs.cern.ch partially shares its NS delegation with several other domains, including 190.12.194.in-addr.arpa, 149.12.194.in-addr.arpa, 4.2.0.3.0.6.6.0.1.0.0.2.ip6.arpa and two others.

In DNS configurations, these name servers often share authority with scsnms.switch.ch, ip-cahcp-1.cern.ch, ip-cahcp-2.cern.ch and 7 other name servers.

ext-dns-1.cern.ch directs to 192.65.187.5 and 2001:1458:1:1::5. ext-dns-2.cern.ch directs to 192.91.245.85 and 2001:1458:1:2::100:85. Each host name carries two IP addresses.