atlas-software.docs.cern.ch - robtex.com
atlas-software.docs.cern.ch
docs.cern.ch
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ext-dns-1.cern.ch ⭐ ⚠️ Not in parent delegation | ||||||
| NS | ext-dns-2.cern.ch ⚠️ Not in parent delegation | ||||||
| SOA | ext-dns-1.cern.chexternal-dns@cern.ch serial=3800 | ||||||
WOT: SAFE (82/100)
Same first word
DNS History
1 record (1 active, 0 former)
●CNAMEwebeos-apps-shard-1.cern.ch2026-03-01 → 2026-04-23 · 2 obs
● 2026-04-23 17:17:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch... | - |
| cern.ch | ext-dns-1.cern.ch, scsnms.switch.ch, ext-dns-2.cern.ch | 6 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: 511ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | webeos-apps-shard-1.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
atlas-software.docs.cern.ch resolves to six IP addresses: 2001:1458:d00:17::100:9e, 2001:1458:d00:39::100:130, 2001:1458:d00:61::100:1a4, 137.138.55.232, 188.184.96.45 and 188.185.50.104.
Other host names, for instance webeos-apps-shard-1.cern.ch, router-apps-shard-1-avz-c-w66vz.cern.ch and router-apps-shard-1-avz-b-r5qd4.cern.ch share IP numbers with atlas-software.docs.cern.ch.
Name Servers
atlas-software.docs.cern.ch is delegated to two name servers ext-dns-1.cern.ch and ext-dns-2.cern.ch.
atlas-software.docs.cern.ch shares the same name server setup as other domains, for instance 196.65.192.in-addr.arpa, alumni.cern, lxplus.cern.ch, testbox.cern.ch and db-lb-1236.cern.ch.
atlas-software.docs.cern.ch at least partially shares name servers with other domains, for instance 147.12.194.in-addr.arpa, 155.16.192.in-addr.arpa, 92.48.193.in-addr.arpa, 171.12.194.in-addr.arpa and 193.65.192.in-addr.arpa.
These name servers are commonly used with the following name servers: scsnms.switch.ch, ip-cahcp-1.cern.ch, ip-cahcp-2.cern.ch, whqdns1.who.int, whqdns2.who.int, whqdns3.who.int, ccpntc3.in2p3.fr, ccpnvx.in2p3.fr, ns0.diamond.ac.uk and ns1.diamond.ac.uk.
Host names with two IP numbers:
The host name ext-dns-1.cern.ch points to 2001:1458:1:1::5 and 192.65.187.5; the host name ext-dns-2.cern.ch points to 2001:1458:1:2::100:85 and 192.91.245.85.