yc.com
Observed 2026-07-13T00:15:41.802579553+00:00 (8h ago). Every field below was attested with an Ed25519 signature at scan time.
Responding, no home page
Runs onCloudflare
Secured byLet's Encrypt
Registered withTucows Domains Inc.
IPv6 · push_legacy
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat yc.com actually stands on - every host below is a signed observation
yc.com
A / AAAA
172.67.219.248104.21.62.452606:4700:3036::6815:3e2d2606:4700:3036::ac43:dbf8
Cloudflareserves the site
NS
haley.ns.cloudflare.comshane.ns.cloudflare.com
cloudflare.comanswers its DNS
TLS
yc.com
Let's Encryptissued its certificate
DNS Records
A 2
172.67.219.248104.21.62.45
AAAA 2
2606:4700:3036::6815:3e2d2606:4700:3036::ac43:dbf8
TXT 2
v=spf1 -allv=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;
NS 2
haley.ns.cloudflare.comshane.ns.cloudflare.com
SOA 1
haley.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
yc.com |
C=US, O=Let's Encrypt, CN=YE1 | Mon, 28 Sep 2026 00:19:30 +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 (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
ca280e9f-f2fd-4a35-bc65-911b6150c440- Output Hash
cec5d61052e8d2e16f517b14dff76f667713eb3552f57489502fb7339540268d- Signature
ed25519:27845fc6026ea2cb76bd38f72f09596afef0b6340979039a001b09bbb860e99a5b710b4d2889d1a740921fb9c48b59c3c528f07e6538f38acf1810b8705d610f- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast