Rank #3,897Updated November 10, 2026
cardiff.ac.uk
Its email security grade is C. Its SSL certificate is issued by Let's Encrypt and is valid for 48 more days.
- Domain age
- —
- Technologies
- —
- Email security
- C
- SSL days left
- 48
Registration
| Name servers |
|---|
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 43.245.41.93 | 60 |
| MX | cardiff-ac-uk.mail.protection.outlook.com 10 | 3600 |
| NS | mnetidns01.cf.ac.uk | 3600 |
| NS | mnetidns02.cf.ac.uk | 3600 |
| NS | ns3.ja.net | 3600 |
| TXT | mentimeter-7a8c27b2-9695-44ab-9a3f-f1e8850c4c67 | 300 |
| TXT | jamf-site-verification=fiJ21dyTPxbz2kuan-koug | 300 |
| TXT | brevo-code:b1414e0a234265a2faa294058248ae06 | 300 |
| TXT | status-page-domain-verification=hrzwwly13154 | 300 |
| TXT | apple-domain-verification=NbEwtmT6hcPnGnVO | 300 |
| TXT | ZOOM_verify_fk2IZ3SKRBmGp5m6sHVqfg | 300 |
| TXT | google-site-verification=y55qRmPnOfOEjDn1ect33N7RjDojRIBlPr4lwOChpaI | 300 |
| TXT | adobe-idp-site-verification=c4a9be911363d9cdaebfcc10a4bb4eb3e9a8c90aea795fdceed421ae500ef9c1 | 300 |
| TXT | atlassian-domain-verification=JwFo985Fwacc64ycQuyJNewXM/BdYVD0/OqMLTjYgMgtOdxhhX1IHrVgJ6bXplki | 300 |
| TXT | 3aa27263-a39c-4b83-96ec-ac4a13a2c063_181018 | 300 |
| TXT | access-domain-verification=ff89d2acca2a21ba134c6aa1fc7355cfbf55cf5333b816344457bbd449527601 | 300 |
| TXT | sim-flow-ai-domain-verification-4ydvpb=F19xbPXPBIwr3k6zp54QyL8jT | 300 |
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, YE1, Let's Encrypt |
| Expires | December 28, 2026 |
| Days remaining | 48 |
| Protocol | TLSv1.3 |
| Names | cardiff.ac.uk |
Email security
CScore 65/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
- warnDMARC policy is none (monitoring only). Spoofed mail is still delivered.
- warnNo MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
- warnNo TLS-RPT record, so you won't hear about failed encrypted deliveries.
- warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
- goodSPF record found.
- goodSPF ends with -all: servers you have not listed are rejected (hard fail).
- goodDMARC aggregate reports are sent to mailto:[email protected].
- goodDKIM keys found (selector: selector2, k2, s1, s2, mail, mandrill).
- good1 MX record(s) found. Mail is handled by Microsoft 365.
About cardiff.ac.uk
Does cardiff.ac.uk protect its email with SPF and DMARC?
cardiff.ac.uk scores 65/100 (grade C) for email security. DMARC policy is none (monitoring only). Spoofed mail is still delivered. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
What are the name servers of cardiff.ac.uk?
cardiff.ac.uk uses mnetidns01.cf.ac.uk, mnetidns02.cf.ac.uk, ns3.ja.net.