CONTINUOUS INTERNET TELEMETRY24H DRIFT1,286 material changesacross 1,083 domains · +377 vs yesterdayDNS DRIFT44 domains changed DNS providertop destination parity.domains · +18 vs yesterdayEMAIL DRIFT17 domains switched email providertop destination google.com · +9 vs yesterdayCERT DRIFT40 domains switched issuing CA24h · +17 vs yesterdayNOW2,671 curated domains not answeringlast probe, steadyERRORS23,899 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED90,590 throttled or blocked our scanner429 rate-limit / 403 bot-block

r-project.org

Observed Jul 21, 2026, 19:22 UTC (6h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onWU (Wirtschaftsuniversitaet Wien) - Vienna University of Economics and Business
Email byMicrosoft 365
Secured bySectigo
Registered withGandi SAS
non_profit
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat r-project.org actually stands on - every host below is a signed observation
r-project.org
A / AAAA
137.208.57.37
WU (Wirtschaftsuniversitaet Wien) - Vienna University of Economics and Businessserves the site
NS
ns2.urbanek.infons1.urbanek.infons1.wu-wien.ac.atns3.urbanek.info+1 more
urbanek.info + ac.atanswers its DNS
MX
rproject-org0c.mail.protection.outlook.com
Microsoft 365receives its email
TLS
*.r-project.org
Sectigo Limitedissued its certificate

DNS Records

A 1

  • 137.208.57.37

MX 1

  • 0rproject-org0c.mail.protection.outlook.com

TXT 3

  • v=spf1 ip4:137.208.3.21 ip4:137.208.8.13 ip4:137.208.8.17 ip4:137.208.3.22 ip4:129.132.119.208 ip4:169.60.149.197 ip4:169.62.197.242 ip6:2607:f0d0:2701:195::7 ~all
  • MS=ms32736572
  • v=DMARC1; p=none; pct=100; rua=mailto:dmarc-reports@urbanek.info

NS 5

  • ns2.urbanek.info
  • ns1.urbanek.info
  • ns1.wu-wien.ac.at
  • ns3.urbanek.info
  • ns2.wu-wien.ac.at

SOA 1

  • ns0.wu-wien.ac.at postmaster.wu-wien.ac.at

TLS Certificates (4)

Common NameIssuerExpires
*.r-project.org C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA DV R36 Sat, 16 Jan 2027 23:59:59 +0000
Sectigo Public Server Authentication CA DV R36 C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication Root R46 Fri, 21 Mar 2036 23:59:59 +0000
Sectigo Public Server Authentication Root R46 C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority Mon, 18 Jan 2038 23:59:59 +0000
USERTrust RSA Certification Authority C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority Mon, 18 Jan 2038 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.

Verify this receipt

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

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

Ed25519 Receipt

Receipt ID
rcpt_ffd6142a3a191444
Output Hash
ba167ce719044ebdd656632bba5c30c2cb2e0a0932869f2a569492d3747261ae
Signature
ed25519:536820be518ad32d6e4a0ab914e994d7cc415f778b0afaed8007ed937108c96503f60f98a086b0ea4eb740dc8749fa42f4a597f14ecf99d93bdebec5e07a1101
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser