CONTINUOUS INTERNET TELEMETRY24H DRIFT12,276 material changesacross 11,592 domains · 24h to ~2h ago · +3,513 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

usmk12.org

Observed Aug 2, 2026, 18:03 UTC (17h 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
Runs onCloudflare
Email byGoogle Workspace
Secured byLet's Encrypt
Also usesFacebook/MetaGoogle Search ConsoleZoom
domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat usmk12.org actually stands on - every host below is a signed observation
usmk12.org
A / AAAA
104.17.67.73
Cloudflareserves the site
NS
ns2.biz.rr.comdns4.rr.comns1.biz.rr.com
rr.comanswers its DNS
MX
ALT2.ASPMX.L.GOOGLE.COMASPMX.L.GOOGLE.COMALT4.ASPMX.L.GOOGLE.COMALT1.ASPMX.L.GOOGLE.COM+1 more
Google Workspacereceives its email
TLS
usmk12.org
Let's Encryptissued its certificate

DNS Records

A 1

  • 104.17.67.73

MX 5

  • 20ALT2.ASPMX.L.GOOGLE.COM
  • 10ASPMX.L.GOOGLE.COM
  • 30ALT4.ASPMX.L.GOOGLE.COM
  • 20ALT1.ASPMX.L.GOOGLE.COM
  • 30ALT3.ASPMX.L.GOOGLE.COM

TXT 5

  • facebook-domain-verification=5cqwt3p7neqs34qx0ofiscsyk1rmtw
  • google-site-verification=MEP02hp22tEui_ugR64JBuLAgWDqpUZw5qdQkGfDMvY
  • ZOOM_verify_k5WoNPwNQCe84m3NHcXteQ
  • v=spf1 ip4:67.53.14.246 ip4:208.62.89.41 ip4:216.241.183.0/24 ip4:64.78.151.128/26 ip4:208.80.200.0/21 a:renetmail.blackbaud.com include:blackbaud.com include:_spf.google.com ~all +include:outboundmail.blackbaud.net ~all and include:sendgrid.net
  • google-site-verification=OmEyjX_cF9uGttZ2dZ0CLQdGwKL93UG-Ep1hDss28NY

NS 3

  • ns2.biz.rr.com
  • dns4.rr.com
  • ns1.biz.rr.com

SOA 1

  • ns1.biz.rr.com hostmaster.charter.com

TLS Certificates (4)

Common NameIssuerExpires
usmk12.org C=US, O=Let's Encrypt, CN=YE1 Sun, 04 Oct 2026 05:50:52 +0000
YE1 C=US, O=ISRG, CN=Root YE Sat, 02 Sep 2028 23:59:59 +0000
Root YE C=US, O=Internet Security Research Group, CN=ISRG Root X2 Thu, 02 Sep 2032 23:59:59 +0000
ISRG Root X2 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.

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Ed25519 Receipt

Receipt ID
rcpt_f0d656aa0a8a8ce8
Output Hash
0272b97dd88be0e4b6868b73b8420c856c44233a41424caff740eb6f13980a29
Signature
ed25519:df457ffd3d492bf2dc5b5f3073e955881d1d03d015dc9ec3dc384fc30ccf43c79c51882cde64d82ae02ec499a3c60cdc33499ea3d754e565fd713a92beb7d60a
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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