jsimd.net

Observed Aug 16, 2026, 07:59 UTC (9h 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
Registered withJapan Registry Services Co.,Ltd.(JPRS)
1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat jsimd.net actually stands on - every host below is a signed observation
jsimd.net
A / AAAA
163.43.102.39
unattributedserves the site
NS
ns1.dns.ne.jpns2.dns.ne.jp
ne.jpanswers its DNS
MX
jsimd.net
jsimd.netreceives its email
TLS
jsimd.net
Let's Encryptissued its certificate

DNS Records

A 1

  • 163.43.102.39

MX 1

  • 10jsimd.net

TXT 1

  • v=spf1 a:www3829.sakura.ne.jp mx ~all

NS 2

  • ns1.dns.ne.jp
  • ns2.dns.ne.jp

SOA 1

  • master.dns.ne.jp tech.sakura.ad.jp

DMARC_RECORDS 1

  • v=DMARC1; p=quarantine; aspf=r; adkim=r

TLS Certificates (3)

Common NameIssuerExpires
jsimd.net C=US, O=Let's Encrypt, CN=YR2 Fri, 18 Sep 2026 14:29:54 +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 receipt

Ed25519 Receipt

Receipt ID
rcpt_7252e025cdb70cc8
Output Hash
0d90e34e55dac442fcd4d1fec34677a1faa5b995abb20046177ce95bf807f769
Signature
ed25519:5786a47df0b72c1526ed43d1b2f47ece6353e0d047bc027c3fd4062c2b7de324419c6c0bc54d5735690ff02d0a46bfcc72e950b27a5f5b8eb5ee4af6f8259909
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser
CONTINUOUS INTERNET TELEMETRY24H DRIFT41,087 material changesacross 39,123 domains · 24h to ~2h ago · -472 vs yesterdayROTATION65 domains moved DNS from magpiedns.com to koaladns.com, 63 moved backa rotation loop, not a migration · 24hEMAIL DRIFT3 domains switched email provider24hNOW589 curated domains not reachable+94 vs yesterdaySITE ERRORS36,075 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 116,370 sites429 rate-limit / 403 bot-block, a posture signal