Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jbs.cam.ac.uk
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 08:25:04 UTC · ↺ Refresh
MX Hostnames
- eu-smtp-inbound-1.mimecast.com
- eu-smtp-inbound-2.mimecast.com
MX Priorities
- eu-smtp-inbound-1.mimecast.com: 10
- eu-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 131.111.150.22 ↩ redirect.admin.cam.ac.uk
Mail Server IPs
- 91.220.42.241 ↩ eu-smtp-inbound-1.mimecast.com
- 195.130.217.211 ↩ eu-smtp-inbound-1.mimecast.com
- 195.130.217.241 ↩ eu-smtp-inbound-1.mimecast.com
- 91.220.42.211 ↩ eu-smtp-inbound-1.mimecast.com
- 195.130.217.201 ↩ eu-smtp-inbound-1.mimecast.com
- 91.220.42.201 ↩ eu-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
primary.dns.cam.ac.uk hostmaster.cam.ac.uk 792150905 1200 180 1209600 3600
Primary NS (mname)
primary.dns.cam.ac.uk
Admin Email (rname)
hostmaster@cam.ac.uk
Serial
792150905
Refresh
1200s
Retry
180s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
auth0.dns.cam.ac.uk
auth1.dns.cam.ac.uk
SPF Record
✓ Strict (-all)
v=spf1 include:mx.cam.ac.uk include:spf.protection.outlook.com include:eu._netblocks.mimecast.com include:25118220.spf04.hubspotemail.net include:amazonses.com include:_spf.eu.messagegears.net include:_spf.salesforce.com -all
📊 DNS lookups: 8/10
✓ 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
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 216 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
8 records- openai-domain-verification=dv-wdjUTki00qmvcRl0aE9mWrc3
- SPFv=spf1 include:mx.cam.ac.uk include:spf.protection.outlook.com include:eu._netblocks.mimecast.com include:25118220.spf04.hubspotemail.net include:amazonses.com include:_spf.eu.messagegears.net include:_spf.salesforce.com -all
- cjbs-online-domain-verification-hvq39q=YDZgGa28jYsxyPAub4SM01svM
- 0ed1fe018aa2a0335a39164dc5b428b8e6ec644915
- d365mktkey=kDfPfDv6wgF0QYalBXpVwP2mk4wrIwSVdobTSFjIqxYx
- d365mktkey=Ad4uxN85JXnDxtJNfbzJJxqxC2T69oeR8ENvBU9TxTox
- d365mktkey=H2CVxFxxBD3ZsZVOZxNK6djGqODtEdpqwqfyZCb25xsx
- jamf-site-verification=JMT8LAWiz2m3WLZar2OakA
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