Domain Overview
DNS: ✓ 3d ago
Checker: ✓ 3d ago
suffolk.ac.uk
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-18 06:07:27 UTC · ↺ Refresh
MX Hostnames
- smtp2suf.suffolk.ac.uk
- smtp1suf.suffolk.ac.uk
MX Priorities
- smtp1suf.suffolk.ac.uk: 1
- smtp2suf.suffolk.ac.uk: 1
A / AAAA Records
- 162.159.134.42 (no PTR)
Mail Server IPs
- 194.80.204.38 ↩ smtp1suf.suffolk.ac.uk
- 194.80.204.39 ↩ smtp2suf.suffolk.ac.uk
SOA Record
Raw SOA
ns0.suffolk.ac.uk hostmaster.suffolk.ac.uk 2005090724 14400 3600 1209600 3600
Primary NS (mname)
ns0.suffolk.ac.uk
Admin Email (rname)
hostmaster@suffolk.ac.uk
Serial
2005090724
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns1.suffolk.ac.uk
ns0.suffolk.ac.uk
ns2.ja.net
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:194.80.204.0/25 include:_spf.google.com include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- autodesk-domain-verification=-X_p9gYEXsSS9yjW63zu
- SPFv=spf1 mx ip4:194.80.204.0/25 include:_spf.google.com include:spf.protection.outlook.com -all
- globalsign-domain-verification=Jop1Taq2N6bulG-IQtxDFMj11XiycdBYfDgK9mgvE3
- adobe-idp-site-verification=d159361c-3653-4b4d-a22b-bad7712b857d
- jamf-site-verification=5MjI5-hKyQJZsij7MPhp7A
- ca3-1807a148c6964628bd14b1cb22106c63
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