ritchie.studio
Observed Aug 9, 2026, 21:14 UTC (22h ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation - watch it for 5-minute checks.
Up right now
Email byMicrosoft 365
Secured byLet's Encrypt
1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat ritchie.studio actually stands on - every host below is a signed observation
ritchie.studio
A / AAAA
51.38.68.72
unattributedserves the site
NS
ns13.domaincontrol.comns14.domaincontrol.com
domaincontrol.comanswers its DNS
MX
ritchie-studio.mail.protection.outlook.com
Microsoft 365receives its email
TLS
www.ianritchiearchitects.co.uk
Let's Encryptissued its certificate
DNS Records
A 1
51.38.68.72
MX 1
0ritchie-studio.mail.protection.outlook.com
TXT 1
v=spf1 include:spf.uk-1.a.mimecastprotect.com include:spf.protection.outlook.com include:servers.mcsv.net ~all
NS 2
ns13.domaincontrol.comns14.domaincontrol.com
SOA 1
ns13.domaincontrol.com dns.jomax.net
DMARC_RECORDS 1
v=DMARC1; p=quarantine; pct=100
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
www.ianritchiearchitects.co.uk |
C=US, O=Let's Encrypt, CN=YR2 | Sun, 25 Oct 2026 19:24:59 +0000 |
YR2 |
C=US, O=ISRG, CN=Root YR | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YR |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 23:59:59 +0000 |
Subdomains (1)
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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_332365116f773316- Output Hash
2e1c02589dd27ba370aa78c22d0392be7a7b9897d42898e6450dd0139a274dbf- Signature
ed25519:02b4d8feef9edd0c9806b8e3ecf986be88017ce7ef3b8ea88dc9fccc071185560922df1b977eaf4b6202ce323415234632692673c31fa847f98636cf88687803- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast