Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
yorksj.ac.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 03:39:45 UTC · ↺ Refresh
MX Hostnames
- yorksj-ac-uk.mail.protection.outlook.com
MX Priorities
- yorksj-ac-uk.mail.protection.outlook.com: 0
A / AAAA Records
- 193.61.228.134 (no PTR)
- 2001:630:66:2e4::86 (no PTR)
Mail Server IPs
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
SOA Record
Raw SOA
ext-dns1.yorksj.ac.uk networks.yorksj.ac.uk 593 900 600 86400 3600
Primary NS (mname)
ext-dns1.yorksj.ac.uk
Admin Email (rname)
networks@yorksj.ac.uk
Serial
593
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
3600s
Nameservers (NS)
ext-dns1.yorksj.ac.uk
ext-dns2.yorksj.ac.uk
ext-dns3.yorksj.ac.uk
SPF Record
✓ Strict (-all)
v=spf1 ip4:62.149.42.90 ip4:46.22.140.130 ip4:193.61.235.236 ip4:193.61.235.237 include:spf.protection.outlook.com include:misc.yorksj.ac.uk include:mailrelay.t1cloud.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected], mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected], mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
15 records- MS=ms98985432
- d365mktkey=KpD4PbxmxIFGxS0ALvzxOJpTZwKaKwhMZctqRSvXFJ8x
- QE3RQa0S41gbiZ1cn0Ck1dBo4Tc7lEuhTUCbMw0i+L0D/MZU5nmDy8VLm+cZ7TqdlZugv73+tEjivhAK/W2QtA==
- adobe-idp-site-verification=96f604b8-4c45-47aa-9092-e56866dea548
- t5af4luhkru601ri8q3kc3mqhm
- d365mktkey=vfWtT8nZcpAape8IFK3SURNwaYbLxsMo3WSaN4VbxiYx
- QuoVadis=63fbb1b9-9a74-4de7-a6cc-413c9edb5283
- d365mktkey=tgLBf1WdehQ6YR571n5hijfI6LN5L3L3R50kKF18eFAx
- atlassian-domain-verification=tYNkPRL55faN5wmSD7UH/QXyf8F0lzXAJwvaCAQ4RcEOVmcIVUQd6VecrJpKLblG
- d91f1f1b-d7e2-493c-8934-2ec09e322133.100718
- SPFv=spf1 ip4:62.149.42.90 ip4:46.22.140.130 ip4:193.61.235.236 ip4:193.61.235.237 include:spf.protection.outlook.com include:misc.yorksj.ac.uk include:mailrelay.t1cloud.com -all
- d6ub720l67meolnda3h0tg6l0s
- msfpkey=1nrpgrjpay9qdr2x14q2022dd
- apple-domain-verification=NIyJIQw3stw865fM
- QuoVadis=464973de-5ee2-4daa-9839-0c7f7050ecea
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