zerogram.co.jp

Observed Jul 27, 2026, 04:59 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.

Verify this receipt yourself + Watch this domain

Up right now

Email byGoogle Workspace

Secured byGlobalSign

Also usesGoogle Search Console

1 subdomain · domcop

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat zerogram.co.jp actually stands on - every host below is a signed observation

zerogram.co.jp

A / AAAA

18.177.186.86

unattributedserves the site

01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jp

dnsv.jpanswers its DNS

smtp.google.com

Google Workspacereceives its email

TLS

www.zerogram.co.jp

GlobalSign nv-saissued its certificate

DNS Records

A 1

18.177.186.86

MX 1

1smtp.google.com

TXT 3

google-site-verification=33qVcqvkYP9SZuZKFGstThvRXXtxtTG8OCAeUWhwRTY
v=spf1 +a:sv1419.xserver.jp +a:zerogram.co.jp +mx include:spf.makeshop.jp include:_spf.google.com ~all
v=DMARC1;p=none;rua=mailto:info@zerogram.co.jp

NS 4

01.dnsv.jp
02.dnsv.jp
03.dnsv.jp
04.dnsv.jp

SOA 1

01.dnsv.jp hostmaster.dnsv.jp

TLS Certificates (2)

Common Name	Issuer	Expires
`www.zerogram.co.jp`	C=BE, O=GlobalSign nv-sa, CN=GlobalSign GCC R6 AlphaSSL CA 2025	Sun, 15 Nov 2026 03:30:36 +0000
`GlobalSign GCC R6 AlphaSSL CA 2025`	2.5.4.11=GlobalSign Root CA - R6, O=GlobalSign, CN=GlobalSign	Fri, 21 May 2027 00:00:00 +0000

Subdomains (1)

www.zerogram.co.jp

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 zerogram.co.jp. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_ba6e5628f47fc49d
Output Hash: 5be09761cf1af93b632fdadfdc6467315b75b4b4aac3bda3bd61ffa334d45148
Signature: ed25519:d38495b7195dee1bb85343ebd16f9df0dc336e2055f1e47b68dc513dc8dd7f0a3935e24cd72a723f69bbe87c5742c77f031637d76695112d30139c7556da3304
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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