Domain Overview
DNS: ✓ 3d ago
Checker: ✓ 3d ago
maths.cam.ac.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-18 06:17:18 UTC · ↺ Refresh
MX Hostnames
- maths-cam-ac-uk.mail.protection.outlook.com
MX Priorities
- maths-cam-ac-uk.mail.protection.outlook.com: 7
A / AAAA Records
- 131.111.24.44 ↩ dc7.maths.cam.ac.uk
- 131.111.16.37 ↩ dc8.maths.cam.ac.uk
Mail Server IPs
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
authdns0.maths.cam.ac.uk hostmaster.maths.cam.ac.uk 2026052787 21600 3600 604800 172800
Primary NS (mname)
authdns0.maths.cam.ac.uk
Admin Email (rname)
hostmaster@maths.cam.ac.uk
Serial
2026052787
Refresh
21600s
Retry
3600s
Expire
604800s
Minimum TTL
172800s
Nameservers (NS)
auth0.dns.cam.ac.uk
ns2.ic.ac.uk
authdns0.maths.cam.ac.uk
authdns1.maths.cam.ac.uk
ns1.mythic-beasts.com
auth1.dns.cam.ac.uk
ns3.mythic-beasts.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.cam.ac.uk include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ 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- ZOOM_verify_OklwoQ9MMaragGnIgIG9Ah
- SPFv=spf1 include:_spf.cam.ac.uk include:spf.protection.outlook.com -all
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