jcsw.ac.jp
Observed Aug 16, 2026, 18:02 UTC (15h 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 byGoogle Workspace
Google WorkspaceSecured byDigiCert
DigiCertAlso usesMicrosoft 365Google Search Console
Microsoft 365
Google Search Console1 subdomain · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT
Steady. No change on record for jcsw.ac.jp in the last day; this reading matches the one before it. The steady record is signed like every other reading. Watch it to catch the next move the moment it lands.
INFRASTRUCTURE MAPwhat jcsw.ac.jp actually stands on - every host below is a signed observation
jcsw.ac.jp
A / AAAA
153.124.196.51
unattributedserves the site
NS
ns00.vips.ne.jpns01.vips.ne.jp
ne.jpanswers its DNS
MX
alt2.aspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
jcsw.ac.jp
DigiCert Incissued its certificate
DNS Records
A 1
153.124.196.51
MX 5
5alt2.aspmx.l.google.com10aspmx2.googlemail.com10aspmx3.googlemail.com0aspmx.l.google.com5alt1.aspmx.l.google.com
TXT 6
UOqZGc9dJd49lgOicN9cWznJ6NUpCGy3wh0t5wh38gf0pw2bg2909gqm8qgxqzMS=A4826A0EFE4EEDFF81228E83325D068215794DB4google-site-verification=lN1edBZm_DdmqR1RsWLC4YsB4UQ9eHTEvX7szbUNIQEv=spf1 +ip4:59.106.61.93 +ip4:61.203.132.67 include:_spf.google.com ~allCVG35MZwndMdlPjvoZwLrFTGlshCHv
NS 2
ns00.vips.ne.jpns01.vips.ne.jp
SOA 1
ns00.vips.ne.jp helpdesk.jens.jp
TLS Certificates (2)
| Common Name | Issuer | Expires |
|---|---|---|
jcsw.ac.jp |
C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=GeoTrust TLS RSA CA G1 | Tue, 16 Feb 2027 23:59:59 +0000 |
GeoTrust TLS RSA CA G1 |
C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2 | Tue, 02 Nov 2027 12:23:37 +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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_417704c197eb6855- Output Hash
0b72ab5d489e377cde18cc0d9ae0a350094b18c65d6c72728e3c33f0df52c674- Signature
ed25519:8299049782b72c96ca2f0c6195ee2f16024c74e14eb9a1e4eee720d958446929de35784539186278622930f8a7f0fc5281c9fc6f8a5c7cbc9c962df238966508- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast