edtechzine.jp
Observed Jul 28, 2026, 13:52 UTC (23h 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
Secured byGlobalSign
Also usesGoogle Search Console
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat edtechzine.jp actually stands on - every host below is a signed observation
edtechzine.jp
A / AAAA
114.31.94.173
unattributedserves the site
NS
ns020-jt545h4l3udh63nk.j.d-53.infons020-jt545h4l3udh63nk.j.d-53.jpns020-jt545h4l3udh63nk.j.d-53.net
d-53.info + d-53.jp + moreanswers its DNS
MX
alt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
www.shoeisha.co.jp
GlobalSign nv-saissued its certificate
DNS Records
A 1
114.31.94.173
MX 5
5alt1.aspmx.l.google.com5alt2.aspmx.l.google.com10alt3.aspmx.l.google.com10alt4.aspmx.l.google.com1aspmx.l.google.com
TXT 5
a4gbcofng6jcn4gl3gmhqcshlfgoogle-site-verification=Jp6EGQhmXhElAwzpNpwedHGcQscbcTNFOeJbw1IbeQQgoogle-site-verification=oZLujDZXXqpmEuhUqp6ahALDcs2i-6tAAZzqnHkbn8Av=spf1 +ip4:61.193.170.128/25 +ip4:203.104.101.0/25 include:shoeisha.spf.cuenote.jp include:srs4421.cuenote.jp include:_spf.google.com include:spf-bma.mpme.jp include:amazonses.com ~allv=DMARC1; p=none;
NS 3
ns020-jt545h4l3udh63nk.j.d-53.infons020-jt545h4l3udh63nk.j.d-53.jpns020-jt545h4l3udh63nk.j.d-53.net
SOA 1
ns000.d-53.net dns-managers.iij.ad.jp
TLS Certificates (2)
| Common Name | Issuer | Expires |
|---|---|---|
www.shoeisha.co.jp |
C=BE, O=GlobalSign nv-sa, CN=GlobalSign RSA OV SSL CA 2018 | Sat, 16 Jan 2027 09:02:53 +0000 |
GlobalSign RSA OV SSL CA 2018 |
2.5.4.11=GlobalSign Root CA - R3, O=GlobalSign, CN=GlobalSign | Tue, 21 Nov 2028 00:00:00 +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_5084d15fb1c27aae- Output Hash
af5ee3f4c0392ab3412417c567a6dbbe412e2b0d4df412677ecea5f81cc71624- Signature
ed25519:57939d8c68ada304589ca15caf97727095379a7057c11d5f607137a90e78c040cec2afdceefd4c75ea8f432a17faa5c769d0234a354b7db1f09a8cd1adeb6109- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast