usecontrast.com
Observed Aug 2, 2026, 18:54 UTC (12h 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
Secured byLet's Encrypt
majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat usecontrast.com actually stands on - every host below is a signed observation
usecontrast.com
A / AAAA
66.33.60.19476.76.21.142
unattributedserves the site
NS
ns1.vercel-dns.comns2.vercel-dns.com
vercel-dns.comanswers its DNS
TLS
*.usecontrast.com
Let's Encryptissued its certificate
DNS Records
A 2
66.33.60.19476.76.21.142
NS 2
ns1.vercel-dns.comns2.vercel-dns.com
SOA 1
ns1.vercel-dns.com hostmaster.nsone.net
CAA 3
issue "letsencrypt.org"issue "pki.goog"issue "sectigo.com"
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
*.usecontrast.com |
C=US, O=Let's Encrypt, CN=YR1 | Sun, 27 Sep 2026 20:13:22 +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; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_44895aa917263821- Output Hash
32c0c67daa3ad19ec6677806ae106d2fde1cca501f29224d722fa8323ba8b54e- Signature
ed25519:6b47d6e8cada405472c94babdb8b10422725401fe5b57bb1610fcff13e3ae0b242d6a751ba31111788f0ca02ad4947a7f1bbfb904e05c49d206e2acef0bb0a08- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast