CONTINUOUS INTERNET TELEMETRY24H DRIFT12,506 material changesacross 11,734 domains · 24h to ~65m ago · +3,743 vs yesterdayNOW560 curated domains not reachablelast probe, steadySITE ERRORS34,304 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,289 sites429 rate-limit / 403 bot-block, a posture signalMOVERokta.comNo mail routes in the latest observation

rtfeldman.com

Observed Aug 2, 2026, 14:01 UTC (20h 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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Responding, no home page
Runs onCloudflare
Secured byGoogle Trust Services
Registered withCloudflare, Inc.
IPv6 · 1 subdomain · rss
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat rtfeldman.com actually stands on - every host below is a signed observation
rtfeldman.com
A / AAAA
104.21.61.125172.67.210.1312606:4700:3030::6815:3d7d2606:4700:3035::ac43:d283
Cloudflareserves the site
NS
bristol.ns.cloudflare.comlou.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
in1-smtp.messagingengine.comin2-smtp.messagingengine.com
messagingengine.comreceives its email
TLS
rtfeldman.com
Google Trust Servicesissued its certificate

DNS Records

A 2

  • 104.21.61.125
  • 172.67.210.131

AAAA 2

  • 2606:4700:3030::6815:3d7d
  • 2606:4700:3035::ac43:d283

MX 2

  • 10in1-smtp.messagingengine.com
  • 20in2-smtp.messagingengine.com

TXT 1

  • v=spf1 include:spf.messagingengine.com ?all

NS 2

  • bristol.ns.cloudflare.com
  • lou.ns.cloudflare.com

SOA 1

  • bristol.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common NameIssuerExpires
rtfeldman.com C=US, O=Google Trust Services, CN=WE1 Mon, 12 Oct 2026 15:33:00 +0000
WE1 C=US, O=Google Trust Services LLC, CN=GTS Root R4 Tue, 20 Feb 2029 14:00:00 +0000
GTS Root R4 C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA Fri, 28 Jan 2028 00:00:42 +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; nothing leaves your machine.

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Ed25519 Receipt

Receipt ID
rcpt_b87a2a062c998a84
Output Hash
89bb0e6ed1ae7ef36f362c17f759cc541d83a12649b51a5451012299267b41e1
Signature
ed25519:d24dada6c8772e9fb2d78a5f6dc76b5dbcf0de4aa78506fbbe97de2f1984e9a7cfc1d14e74dbcab52d1f4dc956bdb3fd8dc1137fa478303eb48e51066488570a
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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