CONTINUOUS INTERNET TELEMETRY24H DRIFT12,506 material changesacross 11,734 domains · 24h to ~2h 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

usmle-forums.com

Observed Aug 3, 2026, 09:47 UTC (58m 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.

Verify this receipt yourself + Watch this domain
Up right now
Email byGoogle (SPF sender)
Secured byLet's Encrypt
Also usesGoogle Search Console
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat usmle-forums.com actually stands on - every host below is a signed observation
usmle-forums.com
A / AAAA
151.101.193.91151.101.129.91151.101.1.91151.101.65.91
unattributedserves the site
NS
ns-cloud-b4.googledomains.comns-cloud-b3.googledomains.comns-cloud-b2.googledomains.comns-cloud-b1.googledomains.com
googledomains.comanswers its DNS
MX
util01.verticalscope.com
Google (SPF sender)receives its email
TLS
usmle-forums.com
Let's Encryptissued its certificate

DNS Records

A 4

  • 151.101.193.91
  • 151.101.129.91
  • 151.101.1.91
  • 151.101.65.91

MX 1

  • 10util01.verticalscope.com

TXT 2

  • v=spf1 include:_spf.google.com include:sendgrid.net ~all
  • google-site-verification=cOoSc1NkVgWecugxoR2xUg9oAFyMoet1fH927_0OPWY

NS 4

  • ns-cloud-b4.googledomains.com
  • ns-cloud-b3.googledomains.com
  • ns-cloud-b2.googledomains.com
  • ns-cloud-b1.googledomains.com

SOA 1

  • ns-cloud-b1.googledomains.com cloud-dns-hostmaster.google.com

DMARC_RECORDS 1

  • v=DMARC1;p=none;pct=100;rua=mailto:noreply@mail.usmle-forums.com

TLS Certificates (3)

Common NameIssuerExpires
usmle-forums.com C=US, O=Let's Encrypt, CN=YR2 Mon, 12 Oct 2026 22:03:07 +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; nothing leaves your machine.

Verify this receipt

Ed25519 Receipt

Receipt ID
rcpt_feeee4621a513966
Output Hash
6bf38282c2b820f10f8a7e3cd5ca67749c7e96de044b4dda31a1c33415b2e20f
Signature
ed25519:d15827cec5175028f7e05890add2bac4823181895845c721abea03315b8c8b4a0b60f07b37f39f7d8dcb88d01b59e64b3077d1b310335fe7ca82b979344d4a0c
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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