lightningcats.org

Observed Aug 11, 2026, 07:08 UTC (15h 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
domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat lightningcats.org actually stands on - every host below is a signed observation
lightningcats.org
A / AAAA
35.207.185.4
unattributedserves the site
NS
ns1.siteground.netns2.siteground.net
siteground.netanswers its DNS
MX
mx10.antispam.mailspamprotection.commx30.antispam.mailspamprotection.commx20.antispam.mailspamprotection.com
mailspamprotection.comreceives its email
TLS
*.lightningcats.org
Let's Encryptissued its certificate

DNS Records

A 1

  • 35.207.185.4

MX 3

  • 10mx10.antispam.mailspamprotection.com
  • 30mx30.antispam.mailspamprotection.com
  • 20mx20.antispam.mailspamprotection.com

TXT 1

  • v=spf1 +a +mx include:lightningcats.org.spf.auto.dnssmarthost.net ~all

NS 2

  • ns1.siteground.net
  • ns2.siteground.net

SOA 1

  • ns1.siteground.net admins.siteground.com

DMARC_RECORDS 1

  • v=DMARC1; p=none; aspf=r; adkim=r;

TLS Certificates (3)

Common NameIssuerExpires
*.lightningcats.org C=US, O=Let's Encrypt, CN=YR2 Mon, 05 Oct 2026 22:35:26 +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 (0)

None observed.

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_def53d95b3f6c5b0
Output Hash
26ec32bddbefc88f9ef1aa0bd092d9b4374b30375ed78c08aded6bddcb2b8abe
Signature
ed25519:28f9b347be54afa446bf933cb4f4f91fd6586899a7075763f48455eb34a32c336b010ebd131db1b689c59ee4e522fc897c5d2d40f8ff573312785502382b830e
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser
CONTINUOUS INTERNET TELEMETRY24H DRIFT12,273 material changesacross 8,868 domains · 24h to ~40m ago · -36,072 vs yesterdayDNS DRIFT83 domains changed DNS providertop destination koaladns.com · +1 vs yesterdayNOW522 curated domains not reachable-43 vs yesterdaySITE ERRORS36,116 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 116,712 sites429 rate-limit / 403 bot-block, a posture signal