Rank #8,951Updated November 10, 2026
fco.gov.uk
The site runs on Ruby on Rails, Varnish, Fastly and 4 other technologies. Its email security grade is A. Its SSL certificate is issued by GlobalSign nv-sa and is valid for 48 more days.
- Domain age
- —
- Technologies
- 7
- Email security
- A
- SSL days left
- 48
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 151.101.2.30 | 86400 |
| A | 151.101.194.30 | 86400 |
| A | 151.101.66.30 | 86400 |
| A | 151.101.130.30 | 86400 |
| MX | fco-gov-uk.mail.protection.outlook.com 10 | 3600 |
| NS | columbus.fco.gov.uk | 86400 |
| NS | nautilus.fco.gov.uk | 86400 |
| NS | snowcone.fco.gov.uk | 86400 |
| TXT | X0SzPf5m5cDJbGTiVjAP57xdwEgUq9baqryxQdZRFEI= | 300 |
| TXT | MS=ms81948222 | 3600 |
| TXT | atlassian-domain-verification=PrVUOmPKfPTcBfqR9WjxR1HSUGWZIqwuuVTpsyROdh91gV2FMls4MH4rSIHMBoCd | 3600 |
| TXT | _globalsign-domain-verification=I5wy7PZ9bTsTXY2b0HX8EY9Y8rwHYtxSCjrmMp5Mkl | 300 |
| TXT | apple-domain-verification=X1Y4IzXOpWfYXE67 | 300 |
| TXT | s0hudt01qc0qs09eqn7aon94f3 | 3600 |
| TXT | v=spf1 include:_spf-a.fco.gov.uk include:spf.protection.outlook.com -all | 3600 |
| TXT | canva-site-verification=Jt_AxVRFw5ehSJn9aN2gyw | 86400 |
| TXT | autodesk-domain-verification=VE4s7oNICEvpgaSWo7p7 | 86400 |
Technology stack
Cache
CDN
Programming language
Security
Web framework
Web server
SSL certificate
| Valid | Invalid |
|---|---|
| Issuer | BE, GlobalSign RSA OV SSL CA 2018, GlobalSign nv-sa |
| Expires | December 29, 2026 |
| Days remaining | 48 |
| Protocol | TLSv1.3 |
| Names | www.gov.uk, *.businesslink.gov.uk, *.direct.gov.uk, *.publishing.service.gov.uk, *.cabinet-office.gov.uk, assets.digital.cabinet-office.gov.uk, service.gov.uk, data.gov.uk, dfid.gov.uk, cabinet-office.gov.uk, api.gov.uk, www.data.gov.uk |
Email security
AScore 98/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
- 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 policy is reject: mail that fails authentication is blocked.
- goodDMARC aggregate reports are sent to mailto:[email protected], mailto:[email protected].
- goodDKIM keys found (selector: selector2, s1, s2, mail).
- good1 MX record(s) found. Mail is handled by Microsoft 365.
- goodMTA-STS is enforced: other servers must use verified TLS when sending you mail.
- goodTLS-RPT is set up: you receive reports about failed encrypted deliveries.
About fco.gov.uk
What technology does fco.gov.uk use?
We detected 7 technologies on fco.gov.uk, including Varnish, Fastly, Ruby, Content Security Policy, HSTS, Ruby on Rails.
Does fco.gov.uk protect its email with SPF and DMARC?
fco.gov.uk scores 98/100 (grade A) for email security. No BIMI record (optional: shows your logo next to your emails in supporting inboxes). SPF record found.
What are the name servers of fco.gov.uk?
fco.gov.uk uses columbus.fco.gov.uk, nautilus.fco.gov.uk, snowcone.fco.gov.uk.