dsi.ru
Observed Jul 24, 2026, 20:05 UTC (8d 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
Also usesGoogle Search Console
1 subdomain · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat dsi.ru actually stands on - every host below is a signed observation
dsi.ru
A / AAAA
91.206.127.203
unattributedserves the site
NS
dns1.ertelecom.rudns2.ertelecom.runs1.dsi.ru
ertelecom.ru + dsi.ruanswers its DNS
MX
amx.ertelecom.rumx.ertelecom.ru
ertelecom.rureceives its email
TLS
dsi.ru
Let's Encryptissued its certificate
DNS Records
A 1
91.206.127.203
MX 2
30amx.ertelecom.ru10mx.ertelecom.ru
TXT 6
v=spf1 mx ip4:195.206.50.193 ip4:195.206.40.124 ip4:195.206.55.203 ip4:195.206.40.177 ip4:212.33.226.96/27 include:_spf.ertelecom.ru -allmailru-verification: 568619d2192fa45dgoogle-site-verification=GpaPnjP0cnIbt2D5mo40hip39EvaT85wDzjXSAj4sPkgoogle-site-verification=mVaj-FQAMHPPF4HBPMFOKyZrRNx0JJCuJfSwANXXKFEglobalsign-domain-verification=JImFMGGY4oBcLeQmZWSEiV4NvigkTpA5AlUNqQISklv=DMARC1; p=none
NS 3
dns1.ertelecom.rudns2.ertelecom.runs1.dsi.ru
SOA 1
ns1.dsi.ru postmaster.dsi.ru
SRV 2
xmpp.dsi.ru:5269 p20mail.domru.ru:443 p0
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
dsi.ru |
C=US, O=Let's Encrypt, CN=YR1 | Fri, 11 Sep 2026 23:04:42 +0000 |
YR1 |
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 (1)
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_5baeda4ee63150d1- Output Hash
fb46a94dee20111a9490ee88f13850da52032f060fe403e90f680d3fe2be320e- Signature
ed25519:bc628bf27dabe82f3be21e585866b03d11e4c0a8eebaf97923634a7efbecc1f1cddf4170ec1a7311b604fc5c393a6364cfe6d292d0d1e9b8aafa5e0a4bd5800c- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast