smc.co.jp
Observed Jul 21, 2026, 19:42 UTC (2d 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
Runs onGMO Internet
Secured byGlobalSign
1 subdomain · push_legacy
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat smc.co.jp actually stands on - every host below is a signed observation
smc.co.jp
A / AAAA
157.120.209.51
GMO Internetserves the site
NS
ns-rs1.gmoserver.jpns-rs2.gmoserver.jp
gmoserver.jpanswers its DNS
MX
mx1037.onamae.ne.jp
ne.jpreceives its email
TLS
www.smc.co.jp
GlobalSign nv-saissued its certificate
DNS Records
A 1
157.120.209.51
MX 1
10mx1037.onamae.ne.jp
TXT 1
v=spf1 include:_spf.onamae.ne.jp ~all
NS 2
ns-rs1.gmoserver.jpns-rs2.gmoserver.jp
SOA 1
ns-rs1.gmoserver.jp hostmaster.smc.co.jp
TLS Certificates (2)
| Common Name | Issuer | Expires |
|---|---|---|
www.smc.co.jp |
C=BE, O=GlobalSign nv-sa, CN=GlobalSign Atlas R3 AlphaSSL CA 2025 Q4 | Sat, 12 Dec 2026 19:35:36 +0000 |
GlobalSign Atlas R3 AlphaSSL CA 2025 Q4 |
2.5.4.11=GlobalSign Root CA - R3, O=GlobalSign, CN=GlobalSign | Fri, 16 Jul 2027 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; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_b0d6c344b3993820- Output Hash
7f099688b27363d4f0d85b2cf3a701fd051b5f487d31a4d4bb22afaa3df1bc17- Signature
ed25519:ab9682ff4fe03aee9f67983572c4064ab67a7a7933fed8e7c3a9eab1a69048b54d59ed8dab72cdfbd2b84c3a1bc37d8f344974ede4d59c29f5b6c29453ed0402- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast