rkf.org.ru
Observed Jul 29, 2026, 08:21 UTC (12h 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
Secured byLet's Encrypt
majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat rkf.org.ru actually stands on - every host below is a signed observation
rkf.org.ru
A / AAAA
217.65.3.177
unattributedserves the site
NS
ns2.beget.runs1.beget.runs2.beget.prons1.beget.pro+2 more
beget.ru + beget.pro + moreanswers its DNS
MX
mail.rkf.org.rumail2.rkf.org.ru
org.rureceives its email
TLS
rkf.org.ru
Let's Encryptissued its certificate
DNS Records
A 1
217.65.3.177
MX 2
10mail.rkf.org.ru20mail2.rkf.org.ru
TXT 3
Value - unisender-go-validate-hash=726dacd224a8087fbeb361ce46c2a30dv=spf1 ip4:195.91.155.68 ip4:194.135.99.203 include:_spf.dashasender.ru include:spf.unisender.ru -allv=DMARC1; p=none; rua=mailto:dmarc@reporting.unisender.com
NS 6
ns2.beget.runs1.beget.runs2.beget.prons1.beget.prons2.beget.comns1.beget.com
SOA 1
ns1.beget.com hostmaster.beget.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
rkf.org.ru |
C=US, O=Let's Encrypt, CN=YR2 | Tue, 22 Sep 2026 18:09:47 +0000 |
YR2 |
C=US, O=ISRG, CN=Root YR | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YR |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 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
rcpt_2b4b2c6b23974b91- Output Hash
87237a6745992f2c85fd7c4cf83cae77ef81e641fc8006164626e0abbe0e29cc- Signature
ed25519:c76ba1f0f54b656ecca033d0c2871cf185a3df6a5fc9c788c08bc26a1512505bc1f5d99f314f353509ba8ef022aa869ede64ad020d3c96357d361f40a54a2a0b- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast