fco.gov.uk

Observed 2026-07-12T07:06:28.399Z (17h ago). Every field below was attested with an Ed25519 signature at scan time.

Not responding

Runs onCloudflare

Email byMicrosoft 365

Registered withForeign, Commonwealth & Development Office

Also usesAtlassian

5 subdomains · tranco_40k

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat fco.gov.uk actually stands on - every host below is a signed observation

fco.gov.uk

A / AAAA

151.101.66.30151.101.2.30151.101.130.30151.101.194.30

Cloudflareserves the site

snowcone.fco.gov.uknautilus.fco.gov.ukcolumbus.fco.gov.uk

fco.gov.ukanswers its DNS

fco-gov-uk.mail.protection.outlook.com

Microsoft 365receives its email

HTTPS probe

server_error Server error (5xx) 526 Server Error

HTTP status526

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time553 ms

DNS resolutionNOERROR

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 4

151.101.66.30
151.101.2.30
151.101.130.30
151.101.194.30

MX 1

10fco-gov-uk.mail.protection.outlook.com

TXT 10

v=spf1 include:_spf-a.fco.gov.uk include:spf.protection.outlook.com -all
X0SzPf5m5cDJbGTiVjAP57xdwEgUq9baqryxQdZRFEI=
atlassian-domain-verification=PrVUOmPKfPTcBfqR9WjxR1HSUGWZIqwuuVTpsyROdh91gV2FMls4MH4rSIHMBoCd
apple-domain-verification=X1Y4IzXOpWfYXE67
MS=ms81948222
_globalsign-domain-verification=vZvzz36cPg8A87B4ylY-G-g-IhbhvwEx5nkjVilg22
s0hudt01qc0qs09eqn7aon94f3
autodesk-domain-verification=VE4s7oNICEvpgaSWo7p7
v=DMARC1;p=reject;sp=reject;fo=1;rua=mailto:dmarc-rua@dmarc.service.gov.uk,mailto:emailreports@fcdo.gov.uk;ruf=mailto:emailreports@fcdo.gov.uk
v=STSv1; id=20230516

NS 3

snowcone.fco.gov.uk
nautilus.fco.gov.uk
columbus.fco.gov.uk

SOA 1

nautilus.fco.gov.uk hostmaster.fco.gov.uk

TLS Certificates (0)

None.

Subdomains (5)

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what Connor observes and signs for fco.gov.uk. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/fco.gov.uk">
  <img src="https://domaindrift.io/badge/fco.gov.uk.svg"
       width="300" height="64" alt="Connor signed observations for fco.gov.uk">
</a>

Ed25519 Receipt

Receipt ID: 79e8c644-4383-4406-89b4-750980617799
Output Hash: c7aba543d735a3c57d861d51442ece23063180cf3fa39c5af70b9063a0453922
Signature: ed25519:528e98753c1ce89ca01df793221924dd76600dfad4422ff5bd6f4a677181900528ca8d0cfc54b9319f6300075eed54476440554256fd01f56562a0b7c8e1cc0b
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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