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DNS Report
cern.ch
18 records across the types we query · 701ms · 2026-07-21 23:09 UTC · dns.pizza/lookup/cern.ch
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cern.ch
Lookup
cern.ch
701ms
2026-07-21 23:09 UTC
18 records
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Hosting:
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DNS Records Assistant
· cern.ch
Ask anything about these results — or pick a starter question below.
Explain what each record type does
Anything unusual or misconfigured?
How is this domain's email set up?
A
IPv4 Addresses
1 record
Copy
188.184.77.250
AAAA
IPv6 Addresses
1 record
Copy
2001:1458:d00:3c::100:2f9
MX
Mail Servers
1 record
Copy
cern-ch.mail.protection.outlook.com
Prio 10
NS
Name Servers
3 records
Copy
ext-dns-1.cern.ch
cern.ch stats
scsnms.switch.ch
switch.ch stats
ext-dns-2.cern.ch
cern.ch stats
TXT
Text Records
10 records
Copy
openai-domain-verification=dv-R5PuLWpZKT8QhVzrlbLDHvBz
v=spf1 include:spf.cern.ch ?all
mistral-domain-verification=3a255465ec599b8016fb91a2f8563cc304e3b95d
autodesk-domain-verification=5Lt81tqLuEgD4wCC73YQ
cursor-domain-verification-8t0p9r=J6wFIABgbtZfHacKasG8HDZ1p
anthropic-domain-verification-4kfdsh=uvjsOh2bjwteama1zHsw7FZtw
google-site-verification=aoFc91q4kA9Xp_-Z_AFY1gI0AmXpTXIMcGseZfvH0J8
goqTmP4CYqgXEPONka9g8FCGD4vpvjieG4RI5NLxYZsBh/y5p88K9ym3zIFcLVbaYQdJkdhfYcjADXGdGMdSCA==
MS=ms44269116
sinch-domain-verification=1fa8887b-9312-4ca2-85f8-75f7c1ba81fd
SOA
Start of Authority
1 record
Copy
Primary NS
ext-dns-1.cern.ch
Hostmaster
external-dns.cern.ch
Serial
2013770397
Refresh
1200s
Retry
300s
Expire
2419200s
Min TTL
900s
CAA
Certificate Authority Authorization
(none)
PTR
Reverse DNS
1 record
Copy
188.184.77.250
lbaas-73ae2b4e-5554-441e-b8e3-8d558b25f161.cern.ch