jsdt.or.jp
Observed Aug 16, 2026, 10:50 UTC (2h 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
Secured byLet's Encrypt
Let's Encrypt1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat jsdt.or.jp actually stands on - every host below is a signed observation
jsdt.or.jp
A / AAAA
175.41.244.158
unattributedserves the site
NS
dns01.muumuu-domain.comdns02.muumuu-domain.com
muumuu-domain.comanswers its DNS
MX
comlogmail.jp
comlogmail.jpreceives its email
TLS
jsdt.or.jp
Let's Encryptissued its certificate
DNS Records
A 1
175.41.244.158
MX 1
10comlogmail.jp
TXT 1
v=spf1 include:biz.comlog.jp +ip4:175.41.248.99 +ip4:176.32.86.219 +ip4:46.51.250.247 ~all
NS 2
dns01.muumuu-domain.comdns02.muumuu-domain.com
SOA 1
jsdt.or.jp postmaster.jsdt.or.jp
DMARC_RECORDS 1
v=DMARC1;p=none;rua=mailto:miceonedmarc@coresite.ne.jp;ruf=mailto:miceonedmarc@coresite.ne.jp
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
jsdt.or.jp |
C=US, O=Let's Encrypt, CN=YR1 | Wed, 21 Oct 2026 20:39:29 +0000 |
YR1 |
C=US, O=ISRG, CN=Root YR | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YR |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 23:59:59 +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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_0ee5863b3fbe6ffb- Output Hash
81ddec093ad5f18c27a910bcd298385997d404392e4aa4d54dffcc7ead03aedc- Signature
ed25519:b60b47d683155860f6f0007a2d79de7d59f4dcd0262fab3fcf638061d42444c7ba7ea5859808870d42c9d04a12f0919a734c2aa6dd6f85feea02c21c0e854108- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast