Rank #314Updated November 10, 2026
ox.ac.uk
Its email security grade is C. Its SSL certificate is issued by Let's Encrypt and is valid for 55 more days.
- Domain age
- —
- Technologies
- —
- Email security
- C
- SSL days left
- 55
Registration
| Name servers |
|---|
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 13.51.62.86 | 300 |
| MX | oxforduni.in.tmes.trendmicro.eu 4 | 300 |
| NS | auth6.dns.ox.ac.uk | 86400 |
| NS | auth4.dns.ox.ac.uk | 86400 |
| NS | dns0.ox.ac.uk | 86400 |
| NS | dns2.ox.ac.uk | 86400 |
| NS | dns1.ox.ac.uk | 86400 |
| NS | auth5.dns.ox.ac.uk | 86400 |
| TXT | b8zq7ht7w0jmhx3wgzn5srmjl8b0y0gp | 300 |
| TXT | 1zl23trd62r8wgvvrv0gjg7z1gxr64gw | 300 |
| TXT | google-site-verification=qb4BUD5Usjh0Nep0wKIkZIlLSR2rrXsD5PvYGIiKJtA | 300 |
| TXT | WtnAjq8L8o3AgONKmYl7NTJrA9qe5GAxdO3xYq1hVcdXZ0THaEYNiyx74cio/8CE8E3rDApP0jojGJhH8mahDw== | 300 |
| TXT | v=spf1 redirect=_spf.ox.ac.uk | 300 |
| TXT | google-gws-recovery-domain-verification=56795791 | 300 |
| TXT | facebook-domain-verification=647crbrjssj5mgbuy5ptjl8c6qmh23 | 300 |
| TXT | wdc9f05rx6mmn1rgzqrxz8l7ljrn2c5x | 300 |
| TXT | hes=3c57da24c0cf354d2d270f87f9033045 | 300 |
| TXT | MS=ms57844111 | 300 |
| TXT | 2054ED670B49EE28B1397BC00FCB1575A9569543 | 300 |
| TXT | 1FBF055C-7912-4406-8091-79206812E154 | 300 |
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, YE2, Let's Encrypt |
| Expires | January 4, 2027 |
| Days remaining | 55 |
| Protocol | TLSv1.3 |
| Names | ox.ac.uk, www.ox.ac.uk |
Email security
CScore 67/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
- warnSPF ends with ?all, which tells receivers nothing. Use ~all or -all.
- warnDMARC has no rua= address, so you receive no reports about mail sent as your domain.
- warnNo MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
- warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
- goodSPF record found.
- goodDMARC policy is quarantine: failing mail goes to spam. Move to p=reject for full protection.
- goodDKIM keys found (selector: selector1).
- good1 MX record(s) found.
- goodTLS-RPT is set up: you receive reports about failed encrypted deliveries.
About ox.ac.uk
Does ox.ac.uk protect its email with SPF and DMARC?
ox.ac.uk scores 67/100 (grade C) for email security. SPF ends with ?all, which tells receivers nothing. Use ~all or -all. DMARC has no rua= address, so you receive no reports about mail sent as your domain.
What are the name servers of ox.ac.uk?
ox.ac.uk uses auth6.dns.ox.ac.uk, auth4.dns.ox.ac.uk, dns0.ox.ac.uk, dns2.ox.ac.uk, dns1.ox.ac.uk, auth5.dns.ox.ac.uk.