CONTINUOUS INTERNET TELEMETRY24H DRIFT764 material changesacross 689 domains · -872 vs yesterdayDNS DRIFT9 domains changed DNS providertop destination commonmx.com · -8 vs yesterdayEMAIL DRIFT4 domains switched email providertop destination privateemail.com · -4 vs yesterdayNOW39,837 curated domains not answering+25,414 vs yesterdayERRORS8,524 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED2,335 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT764 material changesacross 689 domains · -872 vs yesterdayDNS DRIFT9 domains changed DNS providertop destination commonmx.com · -8 vs yesterdayEMAIL DRIFT4 domains switched email providertop destination privateemail.com · -4 vs yesterdayNOW39,837 curated domains not answering+25,414 vs yesterdayERRORS8,524 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED2,335 throttled or blocked our scanner429 rate-limit / 403 bot-block

tenable.com.br

Observed 2026-07-15T14:54:39.453Z (20h ago). Every field below was attested with an Ed25519 signature at scan time.

Not responding
Runs onCloudflare
push_legacy
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat tenable.com.br actually stands on - every host below is a signed observation
tenable.com.br
NS
a.auto.dns.brb.auto.dns.br
dns.branswers its DNS

HTTPS probe

server_error Server error (5xx) 530 Server Error
HTTP status530
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time209 ms
DNS resolutionNOERROR

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

MX 1

  • 0

TXT 2

  • v=spf1 -all
  • v=DNSSEC1; (detected)

NS 2

  • a.auto.dns.br
  • b.auto.dns.br

SOA 1

  • a.auto.dns.br hostmaster.registro.br

TLS Certificates (0)

None.

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

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for tenable.com.br. It updates itself. It attests a signed observation - not that the site is safe.

DomainDrift signed-observation badge for tenable.com.br <a href="https://domaindrift.io/t/tenable.com.br"> <img src="https://domaindrift.io/badge/tenable.com.br.svg" width="300" height="64" alt="DomainDrift signed observations for tenable.com.br"> </a>

Ed25519 Receipt

Receipt ID
2f2310c2-c592-4379-836c-16db1961e9ce
Output Hash
242fe0c142501726c88a05630816512d3002f1d2e9ef1d844671c9c9e6196f20
Signature
ed25519:65b6a16082788d6ff569085bb9cc8e468073d7ecdc5ce2c8d9768d6c19b9977328b0f29ee9e57e17404ef2b7d8fdbdba27a5c112ddee1f8e383aa0347ca33c04
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser