sakura-surf.jp
Observed Aug 16, 2026, 07:14 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
Secured byLet's Encrypt
Let's EncryptAlso usesGoogle Search Console
Google Search Console1 subdomain · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat sakura-surf.jp actually stands on - every host below is a signed observation
sakura-surf.jp
A / AAAA
120.136.14.41
unattributedserves the site
NS
ns4.xserver.jpns3.xserver.jpns5.xserver.jpns1.xserver.jp+1 more
xserver.jpanswers its DNS
MX
sakura-surf.jp
sakura-surf.jpreceives its email
TLS
www.sakura-surf.jp
Let's Encryptissued its certificate
DNS Records
A 1
120.136.14.41
MX 1
0sakura-surf.jp
TXT 2
google-site-verification=CYaDk8m_X4HV8JuKwd8rkw2Ror8K914Ci0DI1cze4csv=spf1 +a:sv740.xserver.jp +a:sakura-surf.jp +mx include:spf.sender.xserver.jp ~all
NS 5
ns4.xserver.jpns3.xserver.jpns5.xserver.jpns1.xserver.jpns2.xserver.jp
SOA 1
ns1.xserver.jp root.sv0.xserver.jp
DMARC_RECORDS 1
v=DMARC1; p=none; rua=mailto:sisikura@sakura-surf.jp
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
www.sakura-surf.jp |
C=US, O=Let's Encrypt, CN=YR2 | Tue, 20 Oct 2026 23:15:14 +0000 |
YR2 |
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 (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_2ff305c5b4bb89e2- Output Hash
fa71cd66ce3c0c47498f94afbd6074022993d3c708fdcd238324aadfc1e4e3c2- Signature
ed25519:72d00b54aa11cda8a8f685a0170a4df8bf100b33ae6fbe6cdaaada83ee48d9fbfe0b8937fef30bef620168932c657c835a6779208b44623854faf3338e39b80b- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast