jss1.jp

Observed Aug 2, 2026, 22:41 UTC (13d ago). Every field below was attested with an Ed25519 signature at scan time.

This reading of jss1.jp was taken 13d ago

jss1.jp is on the survey sweep, which works its way across the whole catalog rather than returning to one name on a schedule. Putting jss1.jp under watch moves it to the fast lane, where DomainDrift re-checks it about every 5 minutes and signs each reading, so a change becomes a dated event within minutes instead of waiting for the sweep to come round.

Watch jss1.jp Watching a domain needs a DRM3 account. The reading above stays free and public either way.

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Up right now

Email byGoogle Workspace

Secured byLet's Encrypt

Also usesMicrosoft 365Amazon SESGoogle Search Console

1 subdomain · domcop

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

INFRASTRUCTURE MAPwhat jss1.jp actually stands on - every host below is a signed observation

jss1.jp

A / AAAA

219.94.163.207

unattributedserves the site

01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jp

dnsv.jpanswers its DNS

alt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

jss1.jp

Let's Encryptissued its certificate

DNS Records

A 1

219.94.163.207

MX 5

5alt1.aspmx.l.google.com
5alt2.aspmx.l.google.com
10alt3.aspmx.l.google.com
10alt4.aspmx.l.google.com
1aspmx.l.google.com

TXT 4

MS=8A2DA6FD8F902798B17574E6BB6A6C3389EAD3B6
amazonses:1Y9l1epIAqr90UXrjPxa3rCe1d+w++tVC6kp+miYfak=
google-site-verification=FLSOFMtfjRUfHNvDqjexup2CNoHzFpo4FVvr2rV9yhg
v=spf1 ip4:219.94.163.207 include:_spf.google.com ~all

NS 4

01.dnsv.jp
02.dnsv.jp
03.dnsv.jp
04.dnsv.jp

SOA 1

01.dnsv.jp hostmaster.dnsv.jp

TLS Certificates (3)

Common Name	Issuer	Expires
`jss1.jp`	C=US, O=Let's Encrypt, CN=YR1	Tue, 06 Oct 2026 04:32:16 +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)

www.jss1.jp

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 receipt

Ed25519 Receipt

Receipt ID: rcpt_3ba91aa71a473b27
Output Hash: 1311d678383f071ed18c7a790d9c29b23cfd84d37c6bb09e465d9e76988e1a3a
Signature: ed25519:e9091bc6456bcadfa8728b914ffc5abe80b4e2aa9b93b1d8dcc40485bcee4d8a02c4e990866180b3b7de69f6b940a4ab7f1682b41854abe1fd769a5d6d197006
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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