sigma.ru

Observed Jul 18, 2026, 13:47 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onStorm Networks

Email byGoogle (SPF sender)

Secured byGlobalSign

Also usesGoogle Search Console

tranco_40k

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat sigma.ru actually stands on - every host below is a signed observation

sigma.ru

A / AAAA

185.71.67.137

Storm Networksserves the site

adns01.atol.ruadns02.atol.runs3-l2.nic.runs4-l2.nic.ru+3 more

atol.ru + nic.ruanswers its DNS

mx01.sigma.rumx02.sigma.ru

Google (SPF sender)receives its email

TLS

*.sigma.ru

GlobalSign nv-saissued its certificate

DNS Records

A 1

185.71.67.137

MX 2

10mx01.sigma.ru
20mx02.sigma.ru

TXT 11

dad759bc-b017-45bc-8e86-8da69c3f398e
lENaqM6nfU92MZqo3T-Dsvb39gxWawwAatKiiRrgiAU
google-site-verification=NSeklm-JhDSvMcQfMDI6dns4Db45G3cx_PO1CxURJjc
google-site-verification=W9W4Yq1xuyd72DgEjiGgG90ynCWDcN9WFroYl9GV_os
google-site-verification=ZR1QtrUZZV9MXncRhn8_wMFIlvoJWs3e-d38JVY8nc4
google-site-verification=rsNp4zvpnswEK3XHP2BJ6_mOhpxmpzh2gM6hG7owZ4E
google-site-verification=so0Jjr9-jcEDSnF6GJA1AolSCG0SLe40lVBLP_Xb0Bw
google-site-verification=ytotBW7yHYIPXmCtMyRnR5jilp_swyirJqqWfKSkkMg
_globalsign-domain-verification=2ovCFurPBIbjXFjhiJtAJaFdemhUoyyT-NdxtnncVd
v=spf1 ip4:77.221.153.7 ip4:178.57.71.82 ip4:178.57.71.83 ip4:5.8.77.125 ip4:93.174.50.199 include:_spf.mail.ru include:mxsspf.sendpulse.com include:spf.unisender.com include:spf.mail.selcloud.ru include:_spf.google.com ~all

NS 7

adns01.atol.ru
adns02.atol.ru
ns3-l2.nic.ru
ns4-l2.nic.ru
ns8-l2.nic.ru
ns4-cloud.nic.ru
ns8-cloud.nic.ru

SOA 1

ns3-l2.nic.ru dns.nic.ru

TLS Certificates (3)

Common Name	Issuer	Expires
`*.sigma.ru`	C=BE, O=GlobalSign nv-sa, CN=GlobalSign GCC R6 AlphaSSL CA 2025	Sat, 09 Jan 2027 13:41:30 +0000
`GlobalSign`	2.5.4.11=GlobalSign Root CA - R6, O=GlobalSign, CN=GlobalSign	Sun, 10 Dec 2034 00:00:00 +0000
`GlobalSign GCC R6 AlphaSSL CA 2025`	2.5.4.11=GlobalSign Root CA - R6, O=GlobalSign, CN=GlobalSign	Fri, 21 May 2027 00:00:00 +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 receipt

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

<a href="https://domaindrift.io/t/sigma.ru">
  <img src="https://domaindrift.io/badge/sigma.ru.svg"
       width="300" height="64" alt="DomainDrift signed observations for sigma.ru">
</a>

Ed25519 Receipt

Receipt ID: 23284625-a171-4c5f-8ee7-c4247fc2a62f
Output Hash: bf52d0027a8635e6628053ed2c1e4347870ca645071bcd4bde34776210140fb7
Signature: ed25519:aed7637281afb92433124bbe81b7591bfcefcb6ebd491f1c871c97aff928fc27d9aa761db13301eb925a590e1ebeb99a5aed121e6ece5eea03157d762c20f70e
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/sigma.ru