CONTINUOUS INTERNET TELEMETRY24H DRIFT48,070 material changesacross 42,435 domains · 24h to ~2h agoNOW558 curated domains not reachablelast probe, steadySITE ERRORS34,613 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 155,978 sites429 rate-limit / 403 bot-block, a posture signal

revcomm.co.jp

Observed Jul 26, 2026, 06:17 UTC (6d 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 Workspace
Secured byLet's Encrypt
Also usesHubSpotGoogle Search ConsoleFacebook/MetaNotion
1 subdomain · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat revcomm.co.jp actually stands on - every host below is a signed observation
revcomm.co.jp
A / AAAA
162.43.121.146
unattributedserves the site
NS
ns1.value-domain.comns2.value-domain.com
value-domain.comanswers its DNS
MX
alt4.aspmx.l.google.comalt3.aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
www.revcomm.co.jp
Let's Encryptissued its certificate

DNS Records

A 1

  • 162.43.121.146

MX 5

  • 10alt4.aspmx.l.google.com
  • 10alt3.aspmx.l.google.com
  • 5alt1.aspmx.l.google.com
  • 5alt2.aspmx.l.google.com
  • 1aspmx.l.google.com

TXT 8

  • anthropic-domain-verification-rm2h8z=Sg4LHIlKAjt9lOrQqeijq8nuH
  • facebook-domain-verification=wzrhb8driq0tudd574vdrkbdfzmb8k
  • notion-domain-verification=oXu3BytbEKOdotpk5c0JqNqqiVDj9I0W7p8tDQodoTv
  • google-site-verification=3gqVUSJ0Q0sqo9RiHmKetG6fFmwjerXBXvQjk8x4zj4
  • v=spf1 include:_spf.google.com include:mail.zendesk.com include:_spf.salesforce.com include:7184105.spf01.hubspotemail.net include:24198008.spf03.hubspotemail.net include:_spf.prtimes.jp ~all
  • MS=ms42110139
  • google-site-verification=T0hzohzNnVsBsxF_GJiwFb5Tcas5H763gglQPJc99II
  • v=DMARC1;p=none;rua=mailto:dmarc_report@revcomm.co.jp;ruf=mailto:dmarc_report@revcomm.co.jp

NS 2

  • ns1.value-domain.com
  • ns2.value-domain.com

SOA 1

  • ns1.value-domain.com hostmaster.revcomm.co.jp

TLS Certificates (3)

Common NameIssuerExpires
www.revcomm.co.jp C=US, O=Let's Encrypt, CN=YR2 Fri, 02 Oct 2026 07:03:57 +0000
YR2 C=US, O=ISRG, CN=Root YR Sat, 02 Sep 2028 23:59:59 +0000
Root YR C=US, O=Internet Security Research Group, CN=ISRG Root X1 Thu, 02 Sep 2032 23:59:59 +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 receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for revcomm.co.jp. It updates itself. It attests a signed observation - not that the site is safe.

DomainDrift signed-observation badge for revcomm.co.jp <a href="https://domaindrift.io/t/revcomm.co.jp"> <img src="https://domaindrift.io/badge/revcomm.co.jp.svg" width="300" height="64" alt="DomainDrift signed observations for revcomm.co.jp"> </a>

Ed25519 Receipt

Receipt ID
rcpt_7c7c2c6d99757a74
Output Hash
2610f64420f2963d449755042fb6137e1ccba8ad2ceedd32be0ee3afaffc2fc9
Signature
ed25519:472ebd53be2650655fe86e980addea41630202a0530be7fcf80774be07148b344232b1916b1bc2e28459ee97f1cadc35d9c6aa01fa17b1fe03252500e13b3108
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser