robertsontrainingsystems.com

Observed Aug 11, 2026, 05:24 UTC (16h 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
Runs onCloudflare
Email byMicrosoft 365
Secured byGoogle Trust Services
IPv6 · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat robertsontrainingsystems.com actually stands on - every host below is a signed observation
robertsontrainingsystems.com
A / AAAA
172.67.131.172104.21.4.502606:4700:3031::6815:4322606:4700:3035::ac43:83ac
Cloudflareserves the site
NS
charles.ns.cloudflare.comruth.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
robertsontrainingsystems-com.mail.protection.outlook.comsmtp.secureserver.net
Microsoft 365receives its email
TLS
robertsontrainingsystems.com
Google Trust Servicesissued its certificate

DNS Records

A 2

  • 172.67.131.172
  • 104.21.4.50

AAAA 2

  • 2606:4700:3031::6815:432
  • 2606:4700:3035::ac43:83ac

MX 2

  • 0robertsontrainingsystems-com.mail.protection.outlook.com
  • 0smtp.secureserver.net

TXT 1

  • v=spf1 include:secureserver.net -all

NS 2

  • charles.ns.cloudflare.com
  • ruth.ns.cloudflare.com

SOA 1

  • charles.ns.cloudflare.com dns.cloudflare.com

SRV 1

  • cpanelemaildiscovery.cpanel.net:443 p0

DMARC_RECORDS 1

  • v=DMARC1; p=none;

TLS Certificates (3)

Common NameIssuerExpires
robertsontrainingsystems.com C=US, O=Google Trust Services, CN=WE1 Sun, 08 Nov 2026 18:10:07 +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 (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_a6000dfce5505182
Output Hash
0c281fb5cc96e15eea07e2ad22698307def942ea4983ae266cf2eb1026f371a4
Signature
ed25519:9e814f08080f494ec9fe816b37d96becda3898718011c0e68977031db9cdc454b77746efc0667a5b9fa6f35da01ac37509f148cfaff39cedf0ad8c85cbc70b09
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