bluespec.com
Observed Aug 12, 2026, 04:43 UTC (11h 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 Encrypt1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat bluespec.com actually stands on - every host below is a signed observation
bluespec.com
A / AAAA
75.2.60.5
unattributedserves the site
NS
rihana.ns.cloudflare.comsean.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
aspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comalt1.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
bluespec.com
Let's Encryptissued its certificate
DNS Records
A 1
75.2.60.5
MX 5
1aspmx.l.google.com10aspmx2.googlemail.com10aspmx3.googlemail.com5alt1.aspmx.l.google.com5alt2.aspmx.l.google.com
TXT 1
v=spf1 ip4:198.46.90.135 ip4:69.174.48.228 a mx ip4:69.73.139.10 ?all
NS 2
rihana.ns.cloudflare.comsean.ns.cloudflare.com
SOA 1
rihana.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
bluespec.com |
C=US, O=Let's Encrypt, CN=YE1 | Tue, 06 Oct 2026 06:53:48 +0000 |
YE1 |
C=US, O=ISRG, CN=Root YE | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YE |
C=US, O=Internet Security Research Group, CN=ISRG Root X2 | Thu, 02 Sep 2032 23:59:59 +0000 |
ISRG Root X2 |
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_f27afb78f58c31a2- Output Hash
637ad01af102a52c29a25837ed3e47b98ce3dd3e2193ad116a596c789d371823- Signature
ed25519:87fd9ce5bcbe8c547fe8f028bfb18d4ad23bfb6b58847f8f8c5e45cf5dcbecad116100bd67cbfc3e511e9b87eb064b47db61a3ed21311d63c701aae63a167007- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast