apsp.or.jp

Observed Jul 25, 2026, 23:05 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.

Verify this receipt yourself + Watch this domain

Up right now

Email byGoogle (SPF sender)

Secured byLet's Encrypt

1 subdomain · majestic

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

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

apsp.or.jp

A / AAAA

49.212.180.21

unattributedserves the site

ns1.dns.ne.jpns2.dns.ne.jp

ne.jpanswers its DNS

apsp.or.jp

Google (SPF sender)receives its email

TLS

apsp.or.jp

Let's Encryptissued its certificate

DNS Records

A 1

49.212.180.21

MX 1

10apsp.or.jp

TXT 2

v=spf1 a:www2611.sakura.ne.jp include:_spf.google.com include:_spf.sp-co.co.jp mx ~all
v=DMARC1; p=none; aspf=r; adkim=r

NS 2

ns1.dns.ne.jp
ns2.dns.ne.jp

SOA 1

master.dns.ne.jp tech.sakura.ad.jp

TLS Certificates (3)

Common Name	Issuer	Expires
`apsp.or.jp`	C=US, O=Let's Encrypt, CN=YR1	Wed, 23 Sep 2026 05:32:09 +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 (1)

www.apsp.or.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 apsp.or.jp. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_18360518873c0829
Output Hash: 86b89c33000e303c1f4b439686a298c38f4e34d2b5ec2c7dd1329b5261e89c07
Signature: ed25519:c5e5bfd264b35a8ad4d4dbba7b1c449a71e117729475ef2e67cf5cc1f48ca89f86c05223386411bcd9802b430538570733d92174d6917e7b50a6f11e6b64990b
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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