aitech.ac.jp
Observed Jul 24, 2026, 07:55 UTC (8h 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.
Guarded by a firewall
Email byMicrosoft 365
Secured bySECOM Trust Systems Co.
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat aitech.ac.jp actually stands on - every host below is a signed observation
aitech.ac.jp
A / AAAA
202.15.16.100
unattributedserves the site
NS
dns-x.sinet.ad.jpdns.aitech.ac.jp
ad.jp + ac.jpanswers its DNS
MX
aitech-ac-jp.mail.protection.outlook.com
Microsoft 365receives its email
TLS
aitech.ac.jp
SECOM Trust Systems Co.issued its certificate
DNS Records
A 1
202.15.16.100
MX 1
0aitech-ac-jp.mail.protection.outlook.com
TXT 8
secomtrust.net;A15D0C92FFB25D45D43244C492154AD12uida1iqv1hourt45v9penbggoapple-domain-verification=g6Q6ne0BDzoPa5o3MS=ms75762163dropbox-domain-verification=c9k33l4z2lazadobe-idp-site-verification=3a2579b3fae933c1e8b6a7470908bedcc1ef62e5cb1f2ee9e6a84639bef921eav=spf1 ip4:202.15.16.0/24 ip4:202.15.17.0/24 ip4:210.167.21.18 ip4:20.48.21.183 ip4:140.238.62.62 ip4:52.196.20.4 ip4:162.43.101.101 ip4:140.245.81.222 ip6:2001:2f8:1019::/48 include:spf.protection.outlook.com include:ap.rp.oracleemaildelivery.com include:spf.besender.jp -allv=DMARC1; p=none
NS 2
dns-x.sinet.ad.jpdns.aitech.ac.jp
SOA 1
dns.aitech.ac.jp root.aitech.ac.jp
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
aitech.ac.jp |
C=JP, O=SECOM Trust Systems Co., Ltd., CN=NII Open Domain CA - G8 RSA | Sat, 17 Oct 2026 07:58:08 +0000 |
NII Open Domain CA - G8 RSA |
C=JP, O=SECOM Trust Systems Co., Ltd., CN=SECOM TLS RSA Root CA 2024 | Tue, 21 Aug 2040 00:00:00 +0000 |
SECOM TLS RSA Root CA 2024 |
C=JP, O=SECOM Trust Systems CO.,LTD., 2.5.4.11=Security Communication RootCA2 | Tue, 29 May 2029 05:00:39 +0000 |
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_3d0984f5892438f1- Output Hash
af31a76db43227d39f812bb9c3dde3b09c70c17a5e5c62a000341c6eb557766a- Signature
ed25519:446bc57820cb78f5a564b79d0a4ab590d905c738a3ef3527f03a2eb92a73a974971001859ac7f0b2463ed2da207c67132756273fd68c85edba04f5a1ddf75406- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast