arsk.jp
Observed Jul 25, 2026, 23:07 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
Email byMicrosoft 365
Secured byJapan Registry Services Co.
1 subdomain · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat arsk.jp actually stands on - every host below is a signed observation
arsk.jp
A / AAAA
194.91.9.251
unattributedserves the site
NS
ns2.cpi.ad.jpns3.cpi.ad.jp
ad.jpanswers its DNS
MX
arsk-jp.mail.protection.outlook.com
Microsoft 365receives its email
TLS
arsk.jp
Japan Registry Services Co.issued its certificate
DNS Records
A 1
194.91.9.251
MX 1
0arsk-jp.mail.protection.outlook.com
TXT 3
MS=ms78916799v=spf1 include:spf.protection.outlook.com include:spf2.secure.ne.jp -allv=DMARC1; p=none;
NS 2
ns2.cpi.ad.jpns3.cpi.ad.jp
SOA 1
ns2.cpi.ad.jp hostmaster.cpi.ad.jp
TLS Certificates (2)
| Common Name | Issuer | Expires |
|---|---|---|
arsk.jp |
C=JP, O=Japan Registry Services Co., Ltd., CN=JPRS Domain Validation Authority - G4 | Sun, 28 Feb 2027 14:59:59 +0000 |
JPRS Domain Validation Authority - G4 |
C=JP, O=SECOM Trust Systems CO.,LTD., 2.5.4.11=Security Communication RootCA2 | Tue, 29 May 2029 05:00:39 +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_29168f50ca8655cc- Output Hash
39f34d288f9335cd86e5eab93c3d89494efcd0ce33f40a1c45434493fa08598c- Signature
ed25519:a151d3e96ee0d3feaaa324e5770756b86470c074fc97af756e711feb7ea09b2c13df3aa7e0a1b29cf069949f14bf7056094d60da49c5b9691801827919d9b704- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast