cern.ch
The domain cern.ch answers at IP address 188.184.77.250. Mail for cern.ch goes through 1 servers; the highest priority one is cern-ch.mail.protection.outlook.com. It also publishes 10 TXT records, used to verify domain ownership with external services and to configure mail security through SPF, DKIM and DMARC.
A A records
- 188.184.77.250 380s
AAAA AAAA records
MX MX records
NS NS records
TXT TXT records
- openai-domain-verification=dv-R5PuLWpZKT8QhVzrlbLDHvBz 900s
- mistral-domain-verification=3a255465ec599b8016fb91a2f8563cc304e3b95d 900s
- v=spf1 include:spf.cern.ch ?all 900s
- anthropic-domain-verification-4kfdsh=uvjsOh2bjwteama1zHsw7FZtw 900s
- google-site-verification=aoFc91q4kA9Xp_-Z_AFY1gI0AmXpTXIMcGseZfvH0J8 900s
- MS=ms44269116 900s
- sinch-domain-verification=1fa8887b-9312-4ca2-85f8-75f7c1ba81fd 900s
- autodesk-domain-verification=5Lt81tqLuEgD4wCC73YQ 900s
- goqTmP4CYqgXEPONka9g8FCGD4vpvjieG4RI5NLxYZsBh/y5p88K9ym3zIFcLVbaYQdJkdhfYcjADXGdGMdSCA== 900s
- cursor-domain-verification-8t0p9r=J6wFIABgbtZfHacKasG8HDZ1p 900s
SOA SOA records
- ext-dns-1.cern.ch 900s
What each record means
- A and AAAA: the server IP address, in IPv4 and IPv6.
- MX: the servers that receive the domain mail. The number is the priority; the lowest is tried first.
- NS: the name servers, which have the final say over the domain DNS.
- TXT: free text. Mostly used for SPF, DKIM and DMARC, and to verify ownership with third parties.
- TTL: how many seconds the record may be cached before asking again.
Checked 3 hours ago.