phy.cam.ac.uk

Valid Email Server
Domain Lookup › phy.cam.ac.uk

Domain Overview

DNS: ✓ 5d ago Checker: ✓ 5d ago
phy.cam.ac.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-18 06:17:23 UTC · ↺ Refresh

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MX Hostnames

  • phy-cam-ac-uk.mail.protection.outlook.com

MX Priorities

  • phy-cam-ac-uk.mail.protection.outlook.com: 0

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com

SOA Record

Raw SOA primary.dns.cam.ac.uk hostmaster.cam.ac.uk 796147227 1200 180 1209600 3600
Primary NS (mname)
primary.dns.cam.ac.uk
Admin Email (rname)
hostmaster@cam.ac.uk
Serial
796147227
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:spf.mailjet.com include:_spf.cam.ac.uk include:spf.protection.outlook.com include:_spf.atlassian.net -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
  • atlassian-sending-domain-verification=9419afd0-53ee-4e6d-aa5e-d45a870e8e6b
  • SPFv=spf1 include:spf.mailjet.com include:_spf.cam.ac.uk include:spf.protection.outlook.com include:_spf.atlassian.net -all
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