tnc.co.jp
Observed Jul 28, 2026, 17:52 UTC (17h 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 byMicrosoft 365
Secured byJapan Registry Services Co.
Also usesGoogle Search Console
1 subdomain · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat tnc.co.jp actually stands on - every host below is a signed observation
tnc.co.jp
A / AAAA
210.140.115.194
unattributedserves the site
NS
ns017-btfqrsfi5hhkpmt4.b.d-53.jpns017-btfqrsfi5hhkpmt4.b.d-53.netns017-btfqrsfi5hhkpmt4.b.d-53.info
d-53.jp + d-53.net + moreanswers its DNS
MX
tnc-co-jp.mail.protection.outlook.com
Microsoft 365receives its email
TLS
www.tnc.co.jp
Japan Registry Services Co.issued its certificate
DNS Records
A 1
210.140.115.194
MX 1
10tnc-co-jp.mail.protection.outlook.com
TXT 4
google-site-verification=hAMA7s9lBc_yx1FDuJgidcyHY8cd-7l96TiTrVYG5-Igoogle-site-verification=t1qQyVmtZB97WvPdi2yPGOUbEeHWFtmOgCEQwgHMBZcv=spf1 ip4:153.153.159.183 ip4:202.32.223.16 ip4:202.32.223.37 ip4:210.140.115.194 include:spf.securemx.jp include:spf.protection.outlook.com include:smp.ne.jp include:spf.form.run ~allv=DMARC1; p=none; rua=mailto:dmarc_report1@tnc.co.jp; ruf=mailto:dmarc_report1@tnc.co.jp
NS 3
ns017-btfqrsfi5hhkpmt4.b.d-53.jpns017-btfqrsfi5hhkpmt4.b.d-53.netns017-btfqrsfi5hhkpmt4.b.d-53.info
SOA 1
ns000.d-53.net dns-managers.iij.ad.jp
TLS Certificates (2)
| Common Name | Issuer | Expires |
|---|---|---|
www.tnc.co.jp |
C=JP, O=Japan Registry Services Co., Ltd., CN=JPRS Organization Validation Authority - G4 | Sat, 31 Oct 2026 14:59:59 +0000 |
JPRS Organization Validation Authority - 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 (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 receiptEd25519 Receipt
- Receipt ID
rcpt_14b699d3fd85d6a7- Output Hash
92118d638d3df0fe500b7b7b05d5ce4e3a54328a0bb4207567e8e10277c62d50- Signature
ed25519:a7d374efcee21f1fb6959b1868ce5d7ffc66a476da2bbbedd71733714835e6d0da4d1dcc6b0b89e05d82073e8027856fbcdbeb1c2e28b9e73ecf0d316ba2cb0f- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast