r-project.org
Observed Jul 18, 2026, 12:11 UTC (2d 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
ns1.urbanek.infons1.wu-wien.ac.atns3.urbanek.infons2.wu-wien.ac.at+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 ~allMS=ms32736572v=DMARC1; p=none; pct=100; rua=mailto:dmarc-reports@urbanek.info
NS 5
ns1.urbanek.infons1.wu-wien.ac.atns3.urbanek.infons2.wu-wien.ac.atns2.urbanek.info
SOA 1
ns0.wu-wien.ac.at postmaster.wu-wien.ac.at
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
*.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 receiptEd25519 Receipt
- Receipt ID
e3d11ff5-961b-4907-9920-97fd344b740b- Output Hash
6910ce087c49041bfbd1a0a33f3ae07b0684f57b2d3d99b5ccbd5fc434a3c0ab- Signature
ed25519:be06e098bf333d84643c59e639f3a1ded9eca0d71bda4c21e626f52fcae4c8d2686d04bced9a92baae8527d4a387324681a5853b4ec807413bef3219119cc903- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast