jhalderm.com

Observed Aug 16, 2026, 17:26 UTC (3h 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.

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Up right now
Secured byLet's Encrypt
IPv6 · 1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat jhalderm.com actually stands on - every host below is a signed observation
jhalderm.com
A / AAAA
185.199.108.153185.199.109.153185.199.110.153185.199.111.153+4 more
2606serves the site
NS
maceio.ns.porkbun.comcuritiba.ns.porkbun.comsalvador.ns.porkbun.comfortaleza.ns.porkbun.com
porkbun.comanswers its DNS
TLS
jhalderm.com
Let's Encryptissued its certificate

DNS Records

A 4

  • 185.199.108.153
  • 185.199.109.153
  • 185.199.110.153
  • 185.199.111.153

AAAA 4

  • 2606:50c0:8000::153
  • 2606:50c0:8001::153
  • 2606:50c0:8002::153
  • 2606:50c0:8003::153

NS 4

  • maceio.ns.porkbun.com
  • curitiba.ns.porkbun.com
  • salvador.ns.porkbun.com
  • fortaleza.ns.porkbun.com

SOA 1

  • curitiba.ns.porkbun.com dns.cloudflare.com

CAA 1

  • issue "letsencrypt.org"

TLS Certificates (3)

Common NameIssuerExpires
jhalderm.com C=US, O=Let's Encrypt, CN=YR2 Wed, 28 Oct 2026 19:59:52 +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.

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Ed25519 Receipt

Receipt ID
rcpt_f5e1e8801b60cd24
Output Hash
6bea3b603b83c6bca2cc3892b43b328715288f9c6beb85f9c2ee355a56d070e0
Signature
ed25519:b8287aa3ded8eb7515b37403e64c453a26d0f16e74c96f020da90f705882885b45a0cbc967c024a64ac97666a442f1bcbff80e49309e094c6027616429997f0a
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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CONTINUOUS INTERNET TELEMETRY24H DRIFT37,166 material changesacross 35,271 domains · 24h to ~3h ago · -4,393 vs yesterdayROTATION65 domains moved DNS from magpiedns.com to koaladns.com, 64 moved backa rotation loop, not a migration · 24hEMAIL DRIFT3 domains switched email provider24hNOW593 curated domains not reachable+98 vs yesterdaySITE ERRORS35,712 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 116,203 sites429 rate-limit / 403 bot-block, a posture signal