ykk.com

Observed Aug 2, 2026, 11:27 UTC (8h 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

Email byMicrosoft 365

Also usesHubSpot

tranco

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

INFRASTRUCTURE MAPwhat ykk.com actually stands on - every host below is a signed observation

ykk.com

ns016-f2tjvgovcvq0vck1.f.d-53.jpns016-f2tjvgovcvq0vck1.f.d-53.orgns016-f2tjvgovcvq0vck1.f.d-53.info

d-53.jp + d-53.org + moreanswers its DNS

ykk-com.mail.protection.outlook.com

Microsoft 365receives its email

DNS Records

MX 1

0ykk-com.mail.protection.outlook.com

TXT 7

V6Y0CJLSD8JWLXBO39Y0PD6V4CRTNC2X393H2HFH
amazonses:d9STiPnzfYmHCWog4+kswa+JZCEVPbS6p/8gKH9yL7M=
knowbe4-site-verification=714450145847bd08a6242057c99678a9
have-i-been-pwned-verification=dweb_4iaxaj42gdirong2bd0ab9ks
sending_domain1008842=5f73439148118b1ec942af07b7e67be479b46079fbad25ba6780602493118156
adobe-idp-site-verification=c8dc2b56108e48e70a704915acee196918ba82e233a4834a66cd3aba1ef4c90c
v=spf1 include:_spf1.ykk.com include:_spf2.ykk.com include:spf.protection.outlook.com include:19496050.spf01.hubspotemail.net include:_spf.salesforce.com -all

NS 3

ns016-f2tjvgovcvq0vck1.f.d-53.jp
ns016-f2tjvgovcvq0vck1.f.d-53.org
ns016-f2tjvgovcvq0vck1.f.d-53.info

SOA 1

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

DMARC_RECORDS 1

v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_agg@vali.email;

TLS Certificates (0)

None.

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 ykk.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_fbd77f8d50bb2fa8
Output Hash: 6bf836ae54d13ac64aebb19b2c57059ac8f78b53159e244c243546410bda6d51
Signature: ed25519:23682b49c0772185e754d9a00cccbe0263d684ada71745596d4f8727c0dc518f820cd62780596dea7a6273dc78f9927f21c6d3690b24bb7bd1c31e11fd0b3800
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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