aisei.co.jp
Observed Jul 24, 2026, 13:48 UTC (19h 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.
Not responding
Email byMicrosoft 365
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat aisei.co.jp actually stands on - every host below is a signed observation
aisei.co.jp
NS
01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jp
dnsv.jpanswers its DNS
MX
aisei-co-jp.mail.protection.outlook.com
Microsoft 365receives its email
DNS Records
MX 1
100aisei-co-jp.mail.protection.outlook.com
TXT 7
openai-domain-verification=dv-jYywDQBL7iHtoSOT6EzECz0fMFC=a7679a57-9d63-4063-bd4d-ef14d157616bapple-domain-verification=Nnr318jIOjb2drQNapple-domain-verification=e8gNias7GUgbLTxlbill-one-domain-verification=148f8031-f152-4644-95ec-9865a990ddaav=spf1 ip4:211.121.201.243/32 ip4:211.121.201.242/32 ip4:49.212.207.191/32 ip4:3.114.231.34/32 ip4:57.180.89.199/32 include:spf.mta.hdems.com include:willap.jp include:bmsend.com include:al11.subsc-spf-include.com include:spf.smktg.jp include:spf.protection.outlook.com a:www1312.sakura.ne.jp ip4:133.242.168.236 ~allv=DMARC1;p=none;rua=mailto:rua@aisei.co.jp;ruf=mailto:ruf@aisei.co.jp
NS 4
01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jp
SOA 1
01.dnsv.jp hostmaster.dnsv.jp
TLS Certificates (0)
None.
Subdomains (0)
None observed.
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_c909db0b80464a2b- Output Hash
06e25b5f3f694775ed9f03180391fcd79931f0c258441d6556acdfc6c0a2e6ed- Signature
ed25519:3b07d7df08f55522a6e3bfeb0d4ec0149ab4ca27e0f006f425af8a11ba2734c979707b4f09f8b419828cf980bba87e11afb89a6cac83a02e93ff81f90095a008- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast