rudn.ru
Observed Jul 18, 2026, 13:22 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onFederal State Institution of Higher Professional Education _Peoples Friendship University of Russia_
Secured byGlobalSign
tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat rudn.ru actually stands on - every host below is a signed observation
rudn.ru
A / AAAA
37.18.93.135
Federal State Institution of Higher Professional Education _Peoples Friendship University of Russia_serves the site
NS
ns1.rudn.runs3.rudn.runs5.rudn.runs4.rudn.ru+1 more
rudn.ruanswers its DNS
MX
mx.yandex.net
yandex.netreceives its email
TLS
*.rudn.ru
GlobalSign nv-saissued its certificate
DNS Records
A 1
37.18.93.135
MX 1
10mx.yandex.net
TXT 7
ZA=YOl4NmPbEFaJp544NpXHow==mailru-domain: wcJ3zriG2ElnVKet_globalsign-domain-verification=LIOKQuO3SKvMvGFbBHrqOXLFIFWCSfacvRgPJqZeEgv=spf1 include:_spf.yandex.net include:spf.unisender.com ~allMS=ms10011087mailru-verification: 3cc5eae453462949v=DMARC1; p=none; rua=mailto:postmaster@rudn.ru
NS 5
ns1.rudn.runs3.rudn.runs5.rudn.runs4.rudn.runs2.rudn.ru
SOA 1
ns1.rudn.ru hostmaster.ns1.rudn.ru
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
*.rudn.ru |
C=BE, O=GlobalSign nv-sa, CN=GlobalSign GCC R3 DV TLS CA 2020 | Sun, 10 Jan 2027 12:30:19 +0000 |
GlobalSign GCC R3 DV TLS CA 2020 |
2.5.4.11=GlobalSign Root CA - R3, O=GlobalSign, CN=GlobalSign | Sun, 18 Mar 2029 00:00:00 +0000 |
GlobalSign |
2.5.4.11=GlobalSign Root CA - R3, O=GlobalSign, CN=GlobalSign | Sun, 18 Mar 2029 10:00:00 +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
2a10f9aa-3d4d-438b-bb8a-de72a4349b53- Output Hash
26c76eb3f18e21d2867bf8af7663ef6a9639ab2d78b99777838b0a4cdb8f31e2- Signature
ed25519:73b32abe042f0a960dd6251ec3d7ce78e4443f089b71c2f195eb7fb307c52df256384d60ea06b03665065d68a3b851144ed60dbf7bd6d7eb8ec65373f83a3603- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast