CONTINUOUS INTERNET TELEMETRY24H DRIFTat least 15,406 material changesacross 14,806+ domains · 24h to ~5h ago · a floor, 19h of 24 walkedNOW560 curated domains not reachablelast probe, steadySITE ERRORS34,304 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,289 sites429 rate-limit / 403 bot-block, a posture signalMOVERokta.comNo mail routes in the latest observation

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_-M
  • google-site-verification=sUztIVe4HcNNMog9o9xgu7VgBt3cNLjcatqVCqT9gYI
  • MS=ms14632192
  • MS=C9BADE13AF359CE89609C34A5243B166F6E3048B
  • google-site-verification=Cr6SMFXwLFwY_RSU5Ej3n7LX8slJLi5nC9thdFfCVT8
  • v=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.jp
  • ybinfo.ysmart.co.jp

SOA 1

  • ysdmz.ysmart.co.jp hostmaster

TLS Certificates (2)

Common NameIssuerExpires
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 receipt

Ed25519 Receipt

Receipt ID
rcpt_29d095d1adcca767
Output Hash
aaf51114bf304897c6b4192d5d7b60e5dcd4c0468c1bf931dca5bb362e32d4e1
Signature
ed25519:0861bf26ce8fc7856d847de95d689936be3054c35dc959f504fe194bbf273f06e90d5daace656a4c0fee8f692804d7ce20838bad499998d9a385a381d0056f0c
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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