cms-analysis.docs.cern.ch - dns.ninja
cms-analysis.docs.cern.ch
| CNAME | webeos-apps-shard-1.cern.ch | ||||||
| DNSSEC | โ ๏ธ Not signed | ||||||
| A | 2001:1458:d00:17::100:9e๐จ๐ญ CERN2001:1458::/32 European Organization for Nuclear Research | ||||||
| PTR | router-apps-shard-1-avz-b-r5qd4.cern.ch | ||||||
| A | 2001:1458:d00:2c::100:32c๐จ๐ญ CERN2001:1458::/32 European Organization for Nuclear Research | ||||||
| A | 2001:1458:d00:39::100:130๐จ๐ญ CERN2001:1458::/32 European Organization for Nuclear Research | ||||||
| A | 137.138.55.232๐จ๐ญ CERN137.138.0.0/16 -LAN1 | ||||||
| A | 188.184.96.45๐จ๐ญ CERN188.184.0.0/16 -GPN2 | ||||||
| A | 188.184.111.229๐จ๐ญ CERN188.184.0.0/16 -GPN2 | ||||||
| NS | ext-dns-1.cern.ch โญ โ ๏ธ Not in parent delegation | ||||||
| A | 2001:1458:1:1::5๐จ๐ญ CERN2001:1458::/32 European Organization for Nuclear Research | ||||||
| PTR | ext-dns-1.cern.ch | ||||||
| A | 192.65.187.5๐จ๐ญ CERN192.65.184.0/21 -BLK2 | ||||||
| PTR | ext-dns-1.cern.ch | ||||||
| NS | ext-dns-2.cern.ch โ ๏ธ Not in parent delegation | ||||||
| A | 2001:1458:1:2::100:85๐จ๐ญ CERN2001:1458::/32 European Organization for Nuclear Research | ||||||
| PTR | ext-dns-2.cern.ch | ||||||
| A | 192.91.245.85๐จ๐ญ CERN192.91.244.0/23 - European Laboratory for Particle Physics CH-1211 Geneva 23, Switzerland | ||||||
| PTR | ext-dns-2.cern.ch | ||||||
| SOA | ext-dns-1.cern.chexternal-dns@cern.ch serial=1106 | ||||||
docs.cern.ch
| DNSSEC | โ ๏ธ Not signed | ||||||
| NS | ext-dns-1.cern.ch โญ โ ๏ธ Not in parent delegation | ||||||
| NS | ext-dns-2.cern.ch โ ๏ธ Not in parent delegation | ||||||
| SOA | ext-dns-1.cern.chexternal-dns@cern.ch serial=4247 | ||||||
WOT: SAFE (82/100)
DNS History
1 record (1 active, 0 former)
โCNAMEwebeos-apps-shard-1.cern.ch2026-07-05 โ 2026-08-05 ยท 2 obs
โ 2026-08-05 03:55:40
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | d.nic.ch, e.nic.ch, b.nic.ch, a.nic.ch... | - |
| cern.ch | scsnms.switch.ch, ext-dns-1.cern.ch, ext-dns-2.cern.ch | 6 records |
โ Authoritative Response
Server:192.91.245.85
NS records: scsnms.switch.ch, ext-dns-1.cern.ch, ext-dns-2.cern.ch
๐ DNSSEC Status
โ ๏ธ Insecure (no DNSSEC)
No DS record for cern.ch (unsigned zone)
โฑ๏ธ Timing
Total: 1009ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | webeos-apps-shard-1.cern.ch |
๐ 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.