ysmart.co.jp
Observed Aug 3, 2026, 14:11 UTC (3h 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 (SPF sender)
Secured byCybertrust Japan Co.
Also usesGoogle Search Console
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat ysmart.co.jp actually stands on - every host below is a signed observation
ysmart.co.jp
A / AAAA
165.100.113.39
unattributedserves the site
NS
ns-tk022.ocn.ad.jpybinfo.ysmart.co.jp
ad.jp + ysmart.co.jpanswers its DNS
MX
mx.ysmart.co.jp
Google (SPF sender)receives its email
TLS
ysmart.co.jp
Cybertrust Japan Co.issued its certificate
DNS Records
A 1
165.100.113.39
MX 1
10mx.ysmart.co.jp
TXT 6
google-site-verification=H2AN5nKBhWMXkyXL4XT5wTinY-VKvG6eO29rQOai_-Mgoogle-site-verification=sUztIVe4HcNNMog9o9xgu7VgBt3cNLjcatqVCqT9gYIMS=ms14632192MS=C9BADE13AF359CE89609C34A5243B166F6E3048Bgoogle-site-verification=Cr6SMFXwLFwY_RSU5Ej3n7LX8slJLi5nC9thdFfCVT8v=spf1 +ip4:210.232.97.146 +ip4:59.106.61.94 +ip4:46.51.250.243 include:spfgw.fsi.ne.jp include:spf.bmv.jp include:spf.betrend.com include:_spf.google.com ~all
NS 2
ns-tk022.ocn.ad.jpybinfo.ysmart.co.jp
SOA 1
ysdmz.ysmart.co.jp hostmaster
TLS Certificates (2)
| Common Name | Issuer | Expires |
|---|---|---|
ysmart.co.jp |
C=JP, O=Cybertrust Japan Co., Ltd., CN=Cybertrust Japan SureServer CA G4 | Tue, 29 Sep 2026 14:59:00 +0000 |
Cybertrust Japan SureServer CA 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 (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_29d095d1adcca767- Output Hash
aaf51114bf304897c6b4192d5d7b60e5dcd4c0468c1bf931dca5bb362e32d4e1- Signature
ed25519:0861bf26ce8fc7856d847de95d689936be3054c35dc959f504fe194bbf273f06e90d5daace656a4c0fee8f692804d7ce20838bad499998d9a385a381d0056f0c- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast