e-tsukuba.jp
Observed Jul 26, 2026, 00:59 UTC (7d 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.
Not responding
Signed observation on record.
majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat e-tsukuba.jp actually stands on - every host below is a signed observation
e-tsukuba.jp
A / AAAA
210.140.108.101
unattributedserves the site
NS
dns4.tsukuba.ad.jpdns5.tsukuba.ad.jp
ad.jpanswers its DNS
MX
sv1.e-tsukuba.jp
e-tsukuba.jpreceives its email
DNS Records
A 1
210.140.108.101
MX 1
10sv1.e-tsukuba.jp
TXT 1
v=spf1 +ip4:202.218.216.96 +ip4:210.140.108.101 +ip4:202.218.216.119 +ip4:210.140.108.120 ~all
NS 2
dns4.tsukuba.ad.jpdns5.tsukuba.ad.jp
SOA 1
dns4.tsukuba.ad.jp hostmaster.tsukuba.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 receiptPut the receipt on your own site. A live badge showing what DomainDrift observes and signs for e-tsukuba.jp. It updates itself. It attests a signed observation - not that the site is safe.
<a href="https://domaindrift.io/t/e-tsukuba.jp">
<img src="https://domaindrift.io/badge/e-tsukuba.jp.svg"
width="300" height="64" alt="DomainDrift signed observations for e-tsukuba.jp">
</a>
Ed25519 Receipt
- Receipt ID
rcpt_2b5308a883c588b8- Output Hash
e6e856ca88228d39e6dd2f7fe052bf5f072023ca8409938d8535ce812de13548- Signature
ed25519:b57f782f6fe4963e8a1927e82dbab2f127fe6afff91ecd87af2229c38d79044c24377240d176994eeb23466886b436ff3db1db405da47b3de1e0674e93720d0e- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast