askul.co.jp

Observed Jul 18, 2026, 13:31 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onMicrosoft Corporation

Email bySalesforce

Secured byCybertrust Japan Co.

Also usesGoogle Search Console

tranco_40k

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

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

askul.co.jp

A / AAAA

52.156.48.58

Microsoft Corporationserves the site

ns020-q2b8hlbrgh1m30kh.q.d-53.netns020-q2b8hlbrgh1m30kh.q.d-53.infons020-q2b8hlbrgh1m30kh.q.d-53.jp

d-53.net + d-53.info + moreanswers its DNS

mx.securemx.jp

Salesforcereceives its email

TLS

askul.co.jp

Cybertrust Japan Co.issued its certificate

DNS Records

A 1

52.156.48.58

MX 1

50mx.securemx.jp

TXT 4

v=spf1 +ip4:54.95.138.149 +ip4:52.68.92.249 +ip4:52.68.98.123 +ip4:52.68.113.99 +ip4:149.72.129.196 +ip4:52.69.176.40 +ip4:57.181.146.74 +ip4:13.159.245.20 include:_spf.activegate-ss.jp include:spf.securemx.jp include:mktomail.com include:spf2.nlk2.smtps.jp include:_spf.salesforce.com include:_spf.cmjp7.clickmailer.jp include:_spf.prtimes.jp +mx ~all
d2evy79h1VlGnfKL73SCU4e5EPbhUs
google-site-verification=51qBGWfDsms4Es9riw4FKMQzBlFR07S-SZI9hWU711E
v=DMARC1; p=none; pct=100; rua=mailto:dm0mnsnds5jjy.rua@dp.smtps.jp

NS 3

ns020-q2b8hlbrgh1m30kh.q.d-53.net
ns020-q2b8hlbrgh1m30kh.q.d-53.info
ns020-q2b8hlbrgh1m30kh.q.d-53.jp

SOA 1

ns000.d-53.net dns-managers.iij.ad.jp

TLS Certificates (2)

Common Name	Issuer	Expires
`askul.co.jp`	C=JP, O=Cybertrust Japan Co., Ltd., CN=Cybertrust Japan SureServer CA G4	Sun, 25 Oct 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

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

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

Ed25519 Receipt

Receipt ID: cc760907-2619-44c1-b239-0cda63e2db28
Output Hash: aabf61d36b4d24fe4f37f0c2d22350fbbc444f8ab58bc9f857b62ceb0af0f870
Signature: ed25519:7ad8ed83c870f5bceffb34683ccd18336a77cf9fe54af7dc662f84de97395e2fdc4d77a5d17eb9f8d7e10d6d4e7fa64d7c6d2e8ffdf173c6d9e75532921b7700
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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