zwin.dev
Observed Jul 27, 2026, 05:14 UTC (6d 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
Also usesGoogle Search Console
domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat zwin.dev actually stands on - every host below is a signed observation
zwin.dev
A / AAAA
76.76.21.21
unattributedserves the site
NS
01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jp
dnsv.jpanswers its DNS
TLS
zwin.dev
Let's Encryptissued its certificate
DNS Records
A 1
76.76.21.21
TXT 1
google-site-verification=YIBgHIdvq314dYmJ-wl0jXmqthYrDE0u0WF66ZtjnN0
NS 4
01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jp
SOA 1
01.dnsv.jp hostmaster.dnsv.jp
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
zwin.dev |
C=US, O=Let's Encrypt, CN=YR1 | Thu, 27 Aug 2026 16:15:09 +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_db3a0265b9ee0ee5- Output Hash
d3cf0972c4f0af54b077914b86091fd12aff2d9c1b76f0687a44aee86b8f94b8- Signature
ed25519:a196de2b1c74ffa977da9e24638eb9ca8bcdd77293661ca64589934f3e35bc72d8f5602aa5664f8e7ebf9f50acd49ba7e213ca69acd283f4c06382950fd39204- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast