jaruas.jp
Observed Aug 16, 2026, 07:58 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.
Up right now
Secured byLet's Encrypt
Let's Encrypt1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat jaruas.jp actually stands on - every host below is a signed observation
jaruas.jp
A / AAAA
219.94.128.104
unattributedserves the site
NS
ns1.dns.ne.jpns2.dns.ne.jp
ne.jpanswers its DNS
MX
jaruas.jp
jaruas.jpreceives its email
TLS
jaruas.jp
Let's Encryptissued its certificate
DNS Records
A 1
219.94.128.104
MX 1
10jaruas.jp
TXT 1
v=spf1 a:www894.sakura.ne.jp mx ~all
NS 2
ns1.dns.ne.jpns2.dns.ne.jp
SOA 1
master.dns.ne.jp tech.sakura.ad.jp
DMARC_RECORDS 1
v=DMARC1; p=none; aspf=r; adkim=r; rua=mailto:rua@jaruas.jp
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
jaruas.jp |
C=US, O=Let's Encrypt, CN=YR2 | Thu, 08 Oct 2026 04:43:10 +0000 |
YR2 |
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_d594e1ed256dacb3- Output Hash
d2a0bf6524be7d19474a31da553817a0a0808d1e8598dccc5777a72d750ea1ff- Signature
ed25519:93c9d9ac71e79ba37cdf9681742d4e0288154c23dcd4d9c5a0159612ea05a085bf729d97104aa98cb06035b06b9b577389df5862fc509c3b8f07dba82d733f08- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast