e-frontier.systems
Observed Jul 28, 2026, 21:24 UTC (13h 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
Secured byJapan Registry Services Co.
Also usesGoogle Search ConsoleAtlassian
1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat e-frontier.systems actually stands on - every host below is a signed observation
e-frontier.systems
A / AAAA
153.120.95.82
unattributedserves the site
NS
ns2.gslb8.sakura.ne.jpns1.gslb8.sakura.ne.jp
ne.jpanswers its DNS
MX
mail.e-frontier.systems
e-frontier.systemsreceives its email
TLS
e-frontier.systems
Japan Registry Services Co.issued its certificate
DNS Records
A 1
153.120.95.82
MX 1
10mail.e-frontier.systems
TXT 7
MS=ms34120824google-site-verification=wrcEh2Z8pwPXsjq_uyvX2EmEm6UyL-20YiAjQQmOvCwopenai-domain-verification=dv-V4MaMloCyMmhzbQEaXAjPErQv=spf1 redirect=_spf.e-frontier.emailatlassian-domain-verification=lhbWvVdVUeCooPLx8ETh53iegARsKZ23Vlq31JTWLT2rjvRV31MY3ZlOsGk8BSaUv=DMARC1; p=quarantine; sp=reject; pct=100; rua=mailto:info@e-frontier.systems; ruf=mailto:info@e-frontier.systems; fo=1v=STSv1; id=202302181706001
NS 2
ns2.gslb8.sakura.ne.jpns1.gslb8.sakura.ne.jp
SOA 1
ns1.gslb8.sakura.ne.jp noc.sakura.ad.jp
CAA 1
issue "jprs.jp"
TLS Certificates (2)
| Common Name | Issuer | Expires |
|---|---|---|
e-frontier.systems |
C=JP, O=Japan Registry Services Co., Ltd., CN=JPRS Domain Validation Authority - G4 | Sun, 31 Jan 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_b698c376612176a5- Output Hash
495a2489d64abe31ba2a25c0958877e3292181eecc2398435985fcdf856f7c0d- Signature
ed25519:e9ef491115153cfc0c6b49660e39599d7645dd66da8865ccfc09f26096a27c72da9ffa4a439e0cc2fdaa678b97f4d3c9bacb6152b65185a247eb01d50266b70c- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast