compass.cern - dns.ninja
compass.cern
| DNSSEC | ⚠️ Not signed | ||||||
| A | 128.142.143.120🇨🇭 CERN128.142.0.0/16 - European Organization for Nuclear Research | ||||||
| NS | ext-dns-1.cern.ch ⭐ | ||||||
| A | 2001:1458:1:1::5🇨🇭 CERN2001:1458::/32 European Organization for Nuclear Research | ||||||
| PTR | ext-dns-1.cern.ch | ||||||
| A | 192.65.187.5🇨🇭 CERN192.65.184.0/21 -BLK2 | ||||||
| PTR | ext-dns-1.cern.ch | ||||||
| NS | ext-dns-2.cern.ch | ||||||
| A | 2001:1458:1:2::100:85🇨🇭 CERN2001:1458::/32 European Organization for Nuclear Research | ||||||
| PTR | ext-dns-2.cern.ch | ||||||
| A | 192.91.245.85🇨🇭 CERN192.91.244.0/23 - European Laboratory for Particle Physics CH-1211 Geneva 23, Switzerland | ||||||
| PTR | ext-dns-2.cern.ch | ||||||
| MX | cernmxgwlb.cern.ch ⭐ | ||||||
| SOA | ext-dns-1.cern.chexternal-dns@cern.ch 2016-03-15 #1 | ||||||
cern
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.cern ⭐ | ||||||
| NS | a2.nic.cern | ||||||
| NS | b0.nic.cern | ||||||
| NS | c0.nic.cern | ||||||
| SOA | a0.nic.cernhostmaster@donuts.email serial=1786837238 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSext-dns-1.cern.ch2016-12-13 → 2026-08-15 · 2 obs
● 2026-08-15 23:44:28
●NSext-dns-2.cern.ch2016-12-13 → 2026-08-15 · 2 obs
● 2026-08-15 23:44:28
●MXcernmxgwlb.cern.ch2016-12-13 → 2026-08-15 · 2 obs
● 2026-08-15 23:44:28
●A128.142.143.1202016-12-13 → 2026-08-15 · 2 obs
● 2026-08-15 23:44:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cern | a0.nic.cern, a2.nic.cern, b0.nic.cern, c0.nic.cern | 8 records |
| compass.cern | ext-dns-2.cern.ch, ext-dns-1.cern.ch | - |
✅ Authoritative Response
Server:192.65.187.5
NS records: ext-dns-2.cern.ch, ext-dns-1.cern.ch
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for compass.cern (unsigned zone)
⏱️ Timing
Total: 819ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 128.142.143.120 |
| NS | 2 | ext-dns-1.cern.ch, ext-dns-2.cern.ch |
| MX | 1 | cernmxgwlb.cern.ch (pri: 20) |
| SOA | 1 | ext-dns-1.cern.ch external-dns.cern.ch |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (a0.nic.cern, a0.nic.cern, a2.nic.cern...)
Analysis
IP Addresses
compass.cern points to a single IP number: 128.142.143.120.
Name Servers
Two name servers handle the delegation for compass.cern: ext-dns-1.cern.ch and ext-dns-2.cern.ch.
compass.cern shares its name server setup with other domains, including www.cern, beamlineforschools.cern, cixp.net and two others.
There is at least partial name server overlap between compass.cern and other domains — 130.12.194.in-addr.arpa, 129.12.194.in-addr.arpa, 69.70.192.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.
ext-dns-1.cern.ch and ext-dns-2.cern.ch both carry two IP addresses. The A records for ext-dns-1.cern.ch are 192.65.187.5 and 2001:1458:1:1::5; the A records for ext-dns-2.cern.ch are 192.91.245.85 and 2001:1458:1:2::100:85.
Mail Servers
compass.cern has one mail server: cernmxgwlb.cern.ch.
compass.cern shares the same mail server setup as other domains, including cernvm.cern, getindico.io, getindico.com and two others.