Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cant.ac.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 16:03:12 UTC · ↺ Refresh
MX Hostnames
- cant-ac-uk.mail.protection.outlook.com
MX Priorities
- cant-ac-uk.mail.protection.outlook.com: 0
A / AAAA Records
- 194.66.209.103 (no PTR)
Mail Server IPs
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
SOA Record
Raw SOA
nse-isr-01.core.canterbury.ac.uk dnsmaster.canterbury.ac.uk 2009103939 10800 3600 2592000 900
Primary NS (mname)
nse-isr-01.core.canterbury.ac.uk
Admin Email (rname)
dnsmaster@canterbury.ac.uk
Serial
2009103939
Refresh
10800s
Retry
3600s
Expire
2592000s
Minimum TTL
900s
Nameservers (NS)
nse-isr-01.core.canterbury.ac.uk
nse-rh-01.core.canterbury.ac.uk
SPF Record
✓ Strict (-all)
v=spf1 mx a:spf.core.canterbury.ac.uk include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ 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
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- SPFv=spf1 mx a:spf.core.canterbury.ac.uk include:spf.protection.outlook.com -all
- 679BCEC4-7317-45D6-9553-AF5AAA024081
- MS=ms32557082
- xxxMS=DB2516A85E35837B488FF700D6321014ECE9949B
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