Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
northumbria.ac.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 04:50:59 UTC · ↺ Refresh
MX Hostnames
- northumbria-ac-uk.mail.protection.outlook.com
MX Priorities
- northumbria-ac-uk.mail.protection.outlook.com: 0
A / AAAA Records
- 13.74.188.238 (no PTR)
Mail Server IPs
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
edns1.northumbria.ac.uk postmaster.northumbria.ac.uk 2024092034 10800 3600 1209600 1800
Primary NS (mname)
edns1.northumbria.ac.uk
Admin Email (rname)
postmaster@northumbria.ac.uk
Serial
2024092034
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
1800s
Nameservers (NS)
edns1.northumbria.ac.uk
edns2.northumbria.ac.uk
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:%{ir}.%{d}._spf.northumbria.ac.uk -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;pct=100;rua=mailto:[email protected],mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected];fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
10 records- infoblox-domain-mastery=593cacac901aebe4eabf3c4a5da008ae48953d98cd4d046d050698b4a023900f0e
- mentimeter-04f1b9e7-775d-496c-946e-2baec30ed7c5
- d365mktkey=zCqHgWBot1ycJkpYX4sTpRHB9v836O9XwfNll0GkvV4x
- jamf-site-verification=C9CKumJ46EvINWB4TkCdMg
- d365mktkey=WGAOMx01xGO0KsZK9H0oJgXgvns8Zd1tROAwtuNoFgAx
- SPFv=spf1 include:spf.protection.outlook.com include:%{ir}.%{d}._spf.northumbria.ac.uk -all
- v=msv1 t=b00c9964cdd44ab0d2c25aac24f06b
- msfpkey=6flq86oklx41oh9fqo97j8h8b
- d365mktkey=qABAHCrELx3xElvmktuACaDzawxeEGGOvyzsrdmMtf8x
- anthropic-domain-verification-nyc818=Ntbq1h50z0R6MJHSdylqABSu3
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