Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lincoln.ac.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 07:58:55 UTC · ↺ Refresh
MX Hostnames
- lincoln-ac-uk.mail.protection.outlook.com
MX Priorities
- lincoln-ac-uk.mail.protection.outlook.com: 10
A / AAAA Records
- 15.197.195.183 ↩ a6258862aca3b0b9c.awsglobalaccelerator.com
- 3.33.254.193 ↩ a6258862aca3b0b9c.awsglobalaccelerator.com
Mail Server IPs
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
ns01.lincoln.ac.uk hostmaster.lincoln.ac.uk 2018076417 14400 3600 1209600 3600
Primary NS (mname)
ns01.lincoln.ac.uk
Admin Email (rname)
hostmaster@lincoln.ac.uk
Serial
2018076417
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns4.ja.net
ns01.lincoln.ac.uk
ns04.lincoln.ac.uk
ns02.lincoln.ac.uk
ns03.lincoln.ac.uk
SPF Record
✓ Strict (-all)
v=spf1 ip4:212.219.220.162 ip4:212.219.221.97 include:_spf1.lincoln.ac.uk include:spf.protection.outlook.com include:mailrelay.t1cloud.com include:mh.blackboard.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=none;rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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
14 records- EuGZY+71/hzWimbVur1h3dDQGKsbZ4KhVjWdyd5ncgaMxKHaE0iU+gp9ooUnHHQQW932vJ8AbT3IWYvevBun8Q==
- mandrill_verify.mZPOYq-BxGG6D4pMH3sA3A
- L9v7kMQXm7JSfhQooOIVofE8ZxtsRSQgV5nfVbAVk8FcYDuO1igkpJjNlNBLXGuOrvE/fQDxVbMwcCUdv0ttWg==
- QuoVadis=1da0395b-366b-4623-b943-3b7e4f0f186f
- adobe-idp-site-verification=683be71f-9a37-487b-ba28-4cd00a41828b
- uolcwswebredirects.azurewebsites.net
- MS=ms25855266
- openai-domain-verification=dv-45YThbFV6ZOH8i7QMMvV4EyN
- google-site-verification=SfoH8Wx0MR277OD1RfgL-xepPhqqPjbHkOv32lPrgJc
- google-site-verification=xLpJZBEASP3F5x12LGRf7_9rIScFiFa_eIzS7botRL0
- apple-domain-verification=56twmWFzj3f53CUH
- FBD2E5BB-C5F0-4A5E-93CC-70FBB17B6698
- SPFv=spf1 ip4:212.219.220.162 ip4:212.219.221.97 include:_spf1.lincoln.ac.uk include:spf.protection.outlook.com include:mailrelay.t1cloud.com include:mh.blackboard.com -all
- jamf-site-verification=hE1EwJOdcOuFBPqQ4-QcOw
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