osdn.jp

Observed Jul 21, 2026, 16:34 UTC (2d 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.

Verify this receipt yourself + Watch this domain

Up right now

Runs onXserver

Secured byLet's Encrypt

1 subdomain · tranco_100k

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat osdn.jp actually stands on - every host below is a signed observation

osdn.jp

A / AAAA

85.131.209.115

Xserverserves the site

ns4.xserver.jpns1.xserver.jpns2.xserver.jpns5.xserver.jp+1 more

xserver.jpanswers its DNS

TLS

www.osdn.jp

Let's Encryptissued its certificate

DNS Records

A 1

85.131.209.115

TXT 1

v=spf1 +a:sv16574.xserver.jp +a:osdn.jp +mx include:spf.sender.xserver.jp ~all

NS 5

ns4.xserver.jp
ns1.xserver.jp
ns2.xserver.jp
ns5.xserver.jp
ns3.xserver.jp

SOA 1

ns1.xserver.jp root.xserver.jp

TLS Certificates (3)

Common Name	Issuer	Expires
`www.osdn.jp`	C=US, O=Let's Encrypt, CN=YR1	Thu, 15 Oct 2026 22:24:05 +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 (1)

www.osdn.jp

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 receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for osdn.jp. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/osdn.jp">
  <img src="https://domaindrift.io/badge/osdn.jp.svg"
       width="300" height="64" alt="DomainDrift signed observations for osdn.jp">
</a>

Ed25519 Receipt

Receipt ID: rcpt_6aad9741f9145f03
Output Hash: d9d369ebbab8cd4badc9a0c016ac1bf26d6e1adf5218b9feaf68b0e3d5f8734d
Signature: ed25519:f9853f775126602085b7a1325835d10f3cac5f94a3d50133732ddc58013b93b7ad2df1558a5e6a8e968e68971428d3f126c6a43fb16d05af10b4262606f23409
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

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