CONTINUOUS INTERNET TELEMETRY24H DRIFT199 material changesacross 159 domains · -459 vs yesterdayCERT DRIFT3 domains switched issuing CA24h · +1 vs yesterdayNOW3,853 curated domains not answering+1,024 vs yesterdayERRORS25,023 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED71,259 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT199 material changesacross 159 domains · -459 vs yesterdayCERT DRIFT3 domains switched issuing CA24h · +1 vs yesterdayNOW3,853 curated domains not answering+1,024 vs yesterdayERRORS25,023 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED71,259 throttled or blocked our scanner429 rate-limit / 403 bot-block

puc-rio.br

Observed Jul 18, 2026, 13:26 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
Also usesGoogle Search Console
6 subdomains · tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat puc-rio.br actually stands on - every host below is a signed observation
puc-rio.br
A / AAAA
139.82.30.201
Cloudflareserves the site
NS
guanabara.rederio.brexu.inf.puc-rio.brcalisto.rdc.puc-rio.brvialactea.rdc.puc-rio.br
rederio.br + puc-rio.branswers its DNS
MX
correio.rdc.puc-rio.br
puc-rio.brreceives its email

HTTPS probe

ok Responding normally (2xx) 200 OK
HTTP status200
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time158 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

A 1

  • 139.82.30.201

MX 1

  • 0correio.rdc.puc-rio.br

TXT 6

  • v=spf1 ip4:139.82.30.0/26 ip4:139.82.34.151 ~all
  • google-site-verification=dhCM61vW3NaN0W39ZPQVVzk__Ao0I9iOCn6QiASVflc
  • google-site-verification=QEgWJqqUWJ01QC2iXTSRZuJnLxbiUSa2ZzHObRa7xw0
  • MS=AB937732F4E301B3D52635ED00CB8722EA02A28D
  • google-site-verification=xBQEXRlDLm8AJnuunADTNzSSKzaC6nBFCThL1mFSVuU
  • v=DMARC1; p=none; rua=mailto:mm-report@puc-rio.br; ruf=mailto:mm-report@puc-rio.br; fo=1; aspf=r

NS 4

  • guanabara.rederio.br
  • exu.inf.puc-rio.br
  • calisto.rdc.puc-rio.br
  • vialactea.rdc.puc-rio.br

SOA 1

  • vialactea.rdc.puc-rio.br hostmaster@puc-rio.br

TLS Certificates (0)

None.

Subdomains (6)

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 puc-rio.br. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
aef90d15-572a-4045-b29d-ebf7bee59492
Output Hash
0d2df4bbf91d349417633ff73a53847094afe704ae6ae00188f5f0a8400003a4
Signature
ed25519:224293c34cca5958f9b506c9266d93765c05748712c5c89b67ee72d61ab70d7b97f78330c0fcc23d5ce213fdcb8b422774f139cd8ad721d823f17d48a9f7fe05
Public Key
ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff
Parent
(genesis)
Plane
fast
Verify this in your browser