markurquhart.com
Observed Aug 16, 2026, 07:00 UTC (6h 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 byGoogle Workspace
Google WorkspaceSecured byLet's Encrypt
Let's EncryptRegistered withCloudflare, Inc.
Also usesGoogle Search Console
Google Search Consoledomcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat markurquhart.com actually stands on - every host below is a signed observation
markurquhart.com
A / AAAA
66.33.60.19376.76.21.241
unattributedserves the site
NS
adele.ns.cloudflare.comjerome.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
markurquhart.com
Let's Encryptissued its certificate
DNS Records
A 2
66.33.60.19376.76.21.241
MX 5
1aspmx.l.google.com10alt3.aspmx.l.google.com10alt4.aspmx.l.google.com5alt1.aspmx.l.google.com5alt2.aspmx.l.google.com
TXT 1
google-site-verification=iAvYbgu5JZB_idTwAE5vP-xztaks4tMTNSMhQzMoZSI
NS 2
adele.ns.cloudflare.comjerome.ns.cloudflare.com
SOA 1
adele.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
markurquhart.com |
C=US, O=Let's Encrypt, CN=YR1 | Mon, 19 Oct 2026 19:44:58 +0000 |
YR1 |
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 (0)
None observed.
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_a2d99b356009757e- Output Hash
7ceb12a20562c418099449f9b4725da62af2cd8e07ede695a2a427144e1f6a47- Signature
ed25519:22da0ccdee649b3651c8128439e76081acd7ac79c5a6cd689f562e41f34c65da42762ea7a820f4677a5f8ea7978f92924de2144719032972622a5ee590360c02- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast