Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
classics.cam.ac.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 00:59:26 UTC · ↺ Refresh
MX Hostnames
- classics-cam-ac-uk.mail.protection.outlook.com
MX Priorities
- classics-cam-ac-uk.mail.protection.outlook.com: 0
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
SOA Record
Raw SOA
primary.dns.cam.ac.uk hostmaster.cam.ac.uk 792150858 1200 180 1209600 3600
Primary NS (mname)
primary.dns.cam.ac.uk
Admin Email (rname)
hostmaster@cam.ac.uk
Serial
792150858
Refresh
1200s
Retry
180s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
auth1.dns.cam.ac.uk
auth0.dns.cam.ac.uk
SPF Record
✓ Strict (-all)
v=spf1 include:mx.cam.ac.uk include:spf.protection.outlook.com include:mail.zendesk.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:mx.cam.ac.uk include:spf.protection.outlook.com include:mail.zendesk.com -all
- 1password-site-verification=L2RHE2AWPJFEBNGUDKLGK4VXJM
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