impress.co.jp

Observed Jul 18, 2026, 07:37 UTC (5d 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

Not responding

Runs onIDC Frontier

Email byGoogle Workspace

Also usesGoogle Search Console

tranco_10k

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

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

impress.co.jp

A / AAAA

203.183.234.2

IDC Frontierserves the site

ns-1841.awsdns-38.co.ukns-1109.awsdns-10.orgns-674.awsdns-20.netns-468.awsdns-58.com

awsdns-38.co.uk + awsdns-10.org + moreanswers its DNS

alt2.aspmx.l.google.comalt1.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.com+1 more

Google Workspacereceives its email

HTTPS probe

ok Responding normally (2xx) 200 OK

HTTP status200

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time578 ms

DNS resolutionNOERROR

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 1

203.183.234.2

MX 5

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

TXT 6

v=spf1 include:_spf.google.com include:_spf.impress.co.jp include:_spf_ext.impress.co.jp ip4:194.223.151.189 ip4:194.223.151.190/31 ip4:194.223.151.192/29 ip4:194.223.151.200/30 ~all
MS=ms10695220
google-site-verification=cpgt-LL6ru72T5FYcQSlD4VJA6cIRWx8ONIk9RClg5M
MFC=21517f98-e44d-46ed-8c2e-d4dd0d4e4dc8
v=DMARC1; p=none; sp=none; rua=mailto:rua000000494-v5997e4f0@bmscore.jp; ruf=mailto:ruf000000494-by61z2yqt@bmscore.jp; fo=1;
v=DKIM1; (detected)

NS 4

ns-1841.awsdns-38.co.uk
ns-1109.awsdns-10.org
ns-674.awsdns-20.net
ns-468.awsdns-58.com

SOA 1

ns-468.awsdns-58.com awsdns-hostmaster.amazon.com

TLS Certificates (0)

None.

Subdomains (1)

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

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

Ed25519 Receipt

Receipt ID: rcpt_bebf3ee04b0ffd45
Output Hash: 728e7d48b10ca9f3dbdab9360933cc6097958e962f6859050048c8877c347bb6
Signature: ed25519:db41958b2678404d5fecdf5252028e09a6da3474d98c714f459e63ea68a1f56351c1a1adc1509ba9795a80207c9892def1f74b2f7c9a0ec72e4eb92979759e01
Public Key: ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/impress.co.jp