round1.co.jp

Observed Jul 28, 2026, 05:57 UTC (7h 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

INFRASTRUCTURE MAPwhat round1.co.jp actually stands on - every host below is a signed observation

round1.co.jp

A / AAAA

210.148.5.80

unattributedserves the site

ns020-rt7f1k6patkbjt01.r.d-53.jpns020-rt7f1k6patkbjt01.r.d-53.netns020-rt7f1k6patkbjt01.r.d-53.info

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

mx.securemx.jp

securemx.jpreceives its email

DNS Records

A 1

210.148.5.80

MX 1

10mx.securemx.jp

TXT 5

MS=ms75404222
apple-domain-verification=uytrr120LJWeAErD
MS=1FEE14A6C181FB29B35559E9092314F71EDB42ED
v=spf1 ip4:61.208.124.70 ip4:124.109.181.7 ip4:149.72.34.16 ip4:202.214.48.182 ip4:210.148.5.0/24 include:mds-c.ko-sokumail.net include:spf.protection.outlook.com ~all
v=DMARC1; p=none; rua=mailto:dmarc-rua@report.securemx.jp

NS 3

ns020-rt7f1k6patkbjt01.r.d-53.jp
ns020-rt7f1k6patkbjt01.r.d-53.net
ns020-rt7f1k6patkbjt01.r.d-53.info

SOA 1

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

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 round1.co.jp. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/round1.co.jp">
  <img src="https://domaindrift.io/badge/round1.co.jp.svg"
       width="300" height="64" alt="DomainDrift signed observations for round1.co.jp">
</a>

Ed25519 Receipt

Receipt ID: rcpt_1b849716ae451fd1
Output Hash: fef5f42bca2c6847beb925fbf5b37156e69666e08096c0ebc7156fd4200f6472
Signature: ed25519:c96a44168fcfbcbca58cf7ec455bf5a33da10d2fc309e028bd049a56066ffe0b38441a4946a648201daf8bb2168ea5560d7dfce16359a7f96beff1c11234ee00
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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Permalink: https://domaindrift.io/t/round1.co.jp