jacs.jp
Observed Aug 16, 2026, 08:29 UTC (9h 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 byGlobalSign
GlobalSign1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat jacs.jp actually stands on - every host below is a signed observation
jacs.jp
A / AAAA
157.7.189.238
unattributedserves the site
NS
dns1.heteml.jpdns0.heteml.jp
heteml.jpanswers its DNS
MX
mx-proxy501.heteml.jpmx-proxy502.heteml.jp
heteml.jpreceives its email
TLS
www.jacs.jp
GlobalSign nv-saissued its certificate
DNS Records
A 1
157.7.189.238
MX 2
10mx-proxy501.heteml.jp20mx-proxy502.heteml.jp
TXT 1
v=spf1 include:_spf.heteml.jp ~all
NS 2
dns1.heteml.jpdns0.heteml.jp
SOA 1
dns0.heteml.jp hostmaster.jacs.jp
DMARC_RECORDS 1
v=DMARC1; p=none;
TLS Certificates (2)
| Common Name | Issuer | Expires |
|---|---|---|
www.jacs.jp |
C=BE, O=GlobalSign nv-sa, CN=GlobalSign GCC R3 DV TLS CA 2020 | Tue, 17 Nov 2026 08:00:34 +0000 |
GlobalSign GCC R3 DV TLS CA 2020 |
2.5.4.11=GlobalSign Root CA - R3, O=GlobalSign, CN=GlobalSign | Sun, 18 Mar 2029 00:00:00 +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_d6488043a31e7942- Output Hash
824166e92f05067744c0219fbe0a31043e12d570af9cfad7f7a556f38f14ae35- Signature
ed25519:1a4b35ae55cf62c2b2acd745b427d60beb4d63c28e4f014bbe67266164279a8904e1eac699bece649d05f57b2fa84618be86aeb97742dd1e363f5eae84dbc20e- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast