ark-pc.co.jp
Observed Jul 24, 2026, 05:54 UTC (16h 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
Runs onCloudflare
Email byMicrosoft 365
Secured byDigiCert
Also usesGoogle Search Console
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat ark-pc.co.jp actually stands on - every host below is a signed observation
ark-pc.co.jp
A / AAAA
202.144.230.131
Cloudflareserves the site
NS
melissa.ns.cloudflare.comridge.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
arkpc-co-jp0i.mail.protection.outlook.com
Microsoft 365receives its email
TLS
www.ark-pc.co.jp
DigiCert Incissued its certificate
DNS Records
A 1
202.144.230.131
MX 1
0arkpc-co-jp0i.mail.protection.outlook.com
TXT 8
MS=ms47952223_1xql096quizg2lz8a44plkjsd4dl16p_7dvtsajr6jim5fprxeuyonrbpsnbp75google-site-verification=DvaK4SvkAZXGb0lP5tO6r15_7nphW4dG5qaFc6YydpIgoogle-site-verification=yAl_RitAW6UQ3L4dWvK0zE0y2gvvRrDUN9xGN5Ts_ZYgoogle-site-verification=zaMbG1FF4rW-44iLO8P9xdr2zcc2p-J-gXuQxE_jdGYv=spf1 include:spf.protection.outlook.com -allv=DMARC1; p=none; rua=mailto:dmarc_rua@ark-pc.co.jp; ruf=mailto:dmarc_ruf@ark-pc.co.jp;
NS 2
melissa.ns.cloudflare.comridge.ns.cloudflare.com
SOA 1
melissa.ns.cloudflare.com dns.cloudflare.com
CAA 14
issue "amazon.com"issue "amazonaws.com"issue "amazontrust.com"issue "awstrust.com"issue "comodoca.com"issue "digicert.com; cansignhttpexchanges=yes"issue "letsencrypt.org"issue "pki.goog; cansignhttpexchanges=yes"issue "ssl.com"issuewild "comodoca.com"
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
www.ark-pc.co.jp |
C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1 | Fri, 01 Jan 2027 23:59:59 +0000 |
DigiCert Global G2 TLS RSA SHA256 2020 CA1 |
C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2 | Sat, 29 Mar 2031 23:59:59 +0000 |
DigiCert Global Root G2 |
C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2 | Fri, 15 Jan 2038 12:00:00 +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; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_b3fe22765b69cd78- Output Hash
fe66caef9ef738d4f375acd19a11e1ce51b57236012527998de521c82e4e0e9b- Signature
ed25519:96468c47060041a0d0c512f090c941ffcd1e34d0146cce1fe055893b1019a97963b32bc46374da33018a260269e497fa72278dc332a77ca1088be76c9f6e3b0f- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast