samisistemas.com.br

Observed Aug 16, 2026, 13:47 UTC (15h 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
Secured byGoogle Trust Services
Also usesFacebook/MetaGoogle Search Console
IPv6 · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT

Steady. No change on record for samisistemas.com.br in the last day; this reading matches the one before it. The steady record is signed like every other reading. Watch it to catch the next move the moment it lands.

INFRASTRUCTURE MAPwhat samisistemas.com.br actually stands on - every host below is a signed observation
samisistemas.com.br
A / AAAA
172.67.212.94104.21.61.1692606:4700:3032::ac43:d45e2606:4700:3032::6815:3da9
Cloudflareserves the site
NS
ada.ns.cloudflare.comanuj.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
mx.core.locaweb.com.brmx.jk.locaweb.com.brmx.a.locaweb.com.brmx.b.locaweb.com.br
locaweb.com.brreceives its email
TLS
samisistemas.com.br
Google Trust Servicesissued its certificate

DNS Records

A 2

  • 172.67.212.94
  • 104.21.61.169

AAAA 2

  • 2606:4700:3032::ac43:d45e
  • 2606:4700:3032::6815:3da9

MX 4

  • 10mx.core.locaweb.com.br
  • 10mx.jk.locaweb.com.br
  • 20mx.a.locaweb.com.br
  • 20mx.b.locaweb.com.br

TXT 7

  • facebook-domain-verification=316nm3xuhyop39ca1ehqoyrlqcw4qa
  • facebook-domain-verification=lu369mx5tklwhslm8sb97k6ax9utkn
  • google-site-verification=5yw7Zb6v5IosjE3o_R6If6p_6p1g5xh8AJPGb1GNA9A
  • google-site-verification=G2vYn-8IGOB1ciBDXpcFibQKOFfFCR9plUwy7HUy1Gc
  • google-site-verification=QsJ2s56dmScmMsSVNfz7pZxeiaCb1-EuuMGlc09zvrs
  • google-site-verification=ibMGO-LbA20X6sBQUNgDGMboeh_iDXtYAIKLlzldi_k
  • v=spf1 ip4:170.244.220.70 ip4:3.97.31.49 ip4:34.225.134.101 ip4:191.252.62.169 include:_spf.locaweb.com.br include:_spf.rdstation.com.br include:spf.emailmanager.com a mx -all

NS 2

  • ada.ns.cloudflare.com
  • anuj.ns.cloudflare.com

SOA 1

  • ada.ns.cloudflare.com dns.cloudflare.com

CAA 14

  • issue "amazon.com"
  • issue "amazonaws.com"
  • issue "amazontrust.com"
  • issue "awstrust.com"
  • issue "comodoca.com"
  • issue "digicert.com; cansignhttpexchanges=yes"
  • issue "letsencrypt.org"
  • issue "pki.goog; cansignhttpexchanges=yes"
  • issue "ssl.com"
  • issuewild "comodoca.com"

DMARC_RECORDS 1

  • v=DMARC1; p=quarantine; fo=1

TLS Certificates (3)

Common NameIssuerExpires
samisistemas.com.br C=US, O=Google Trust Services, CN=WE1 Fri, 16 Oct 2026 10:55:31 +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_4c7b3aefa9718099
Output Hash
ada354a7a49ab1e5277ad44ff7439a7efb5389e0386f58ecb7b79d84cda74b7a
Signature
ed25519:cad70af2136a4fce2d217c0a13595d5d3ca09d286edb66a77f359b16b8176618885af3d5d193ea1f26236b8db2e0c3c49b3a590789f27caa8a25e3a4b7672c00
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser
CONTINUOUS INTERNET TELEMETRY24H DRIFT40,452 material changesacross 38,568 domains · 24h to ~80m ago · +1,212 vs yesterdayROTATION58 domains moved DNS from magpiedns.com to koaladns.com, 57 moved backa rotation loop, not a migration · 24hEMAIL DRIFT4 domains switched email providertop destination alltheemails.comNOW575 curated domains not reachablelast probe, steadySITE ERRORS34,901 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 116,546 sites429 rate-limit / 403 bot-block, a posture signal