cern - robtex.com

cern

DNSSEC๐Ÿ”’ Signed (DS record present)
NSa0.nic.cern โญ
NSa2.nic.cern
NSb0.nic.cern
NSc0.nic.cern
SOAa0.nic.cernhostmaster@donuts.email serial=1782995536

(root)

Subdomains

Same first word

DNS History

4 records (4 active, 0 former)

20162017201820192020202120222023202420252026NSa0.nic.cerna2.nic.cernb0.nic.cernc0.nic.cern
โ—NSa0.nic.cern2015-09-02 โ†’ 2026-07-02 ยท 2 obs
โ— 2015-09-02 23:37:26
โ— 2026-07-02 16:06:12
โ—NSa2.nic.cern2015-09-02 โ†’ 2026-07-02 ยท 2 obs
โ— 2015-09-02 23:37:26
โ— 2026-07-02 16:06:12
โ—NSb0.nic.cern2015-09-02 โ†’ 2026-07-02 ยท 2 obs
โ— 2015-09-02 23:37:26
โ— 2026-07-02 16:06:12
โ—NSc0.nic.cern2015-09-02 โ†’ 2026-07-02 ยท 2 obs
โ— 2015-09-02 23:37:26
โ— 2026-07-02 16:06:12

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
cerna0.nic.cern, a2.nic.cern, b0.nic.cern, c0.nic.cern8 records

โœ… Authoritative Response

Server:65.22.224.1

NS records: a0.nic.cern, a2.nic.cern, b0.nic.cern, c0.nic.cern

๐Ÿ”’ DNSSEC Status

๐Ÿ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

โฑ๏ธ Timing

Total: 1333ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
NS4b0.nic.cern, c0.nic.cern...
SOA1a0.nic.cern hostmaster.donuts.email

๐Ÿ“Œ Glue Records Collected

Total: 8

In-bailiwick: 8 (a0.nic.cern, a2.nic.cern, b0.nic.cern...)

Analysis

Hierarchy

Among the subdomains of cern are cms.cern, about.cern, europeanstrategy.cern, staff-association.cern, incident.cern and a few other host names.

Name Servers

The NS records for cern point to four name servers: a0.nic.cern, a2.nic.cern, b0.nic.cern and c0.nic.cern.