edu54.ru

Observed Jul 28, 2026, 22:45 UTC (15h 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.

Verify this receipt yourself + Watch this domain

Guarded by a firewall

Secured byLet's Encrypt

Also usesGoogle Search Console

15 subdomains · tranco

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

INFRASTRUCTURE MAPwhat edu54.ru actually stands on - every host below is a signed observation

edu54.ru

A / AAAA

185.138.128.250

unattributedserves the site

ns2.masterhost.runs1.masterhost.runs.masterhost.ru

masterhost.ruanswers its DNS

mx01.nso.rumx02.nso.ru

nso.rureceives its email

TLS

edu54.ru

Let's Encryptissued its certificate

DNS Records

A 1

185.138.128.250

MX 2

99mx01.nso.ru
10mx02.nso.ru

TXT 7

google-site-verification=GoT5s45JQQSZ8KGOAlNdYVbAdSazcqsUWulLpZPaKoc
yandex-verification: 32ff163835fcefa4
f2dd8e27-703b-468b-82b5-af2c26c6b659
_globalsign-domain-verification=agSTsxqKX8LVxfEf-6DnQwlM4wNmN_cTCfKhGBwCL2
mailru-verification: 85d433c1d735b13b
v=spf1 ip4:185.138.128.4 ip4:185.138.128.5 ip4:185.138.128.6 mx include:_spf.yandex.net -all
v=DMARC1; p=none; sp=none; fo=1; ri=3600; rua=mailto:webmaster@edu54.ru; ruf=mailto:webmaster@edu54.ru

NS 3

ns2.masterhost.ru
ns1.masterhost.ru
ns.masterhost.ru

SOA 1

ns1.masterhost.ru hostmaster.masterhost.ru

SRV 1

mail.edu54.ru:443 p0

TLS Certificates (3)

Common Name	Issuer	Expires
`edu54.ru`	C=US, O=Let's Encrypt, CN=YR2	Wed, 14 Oct 2026 16:05:02 +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 (15)

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 edu54.ru. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/edu54.ru">
  <img src="https://domaindrift.io/badge/edu54.ru.svg"
       width="300" height="64" alt="DomainDrift signed observations for edu54.ru">
</a>

Ed25519 Receipt

Receipt ID: rcpt_9f106f02e601e10d
Output Hash: d4c4d8699f19b465ffde8fd0f10df1bd75b85c26e74610b7d5abb12d0ccb8b2f
Signature: ed25519:918261e53c776f77580920077eebec3a60991fdade43114120eaafd743e87eec7310066438452c1c3e917e7aa32522f665a1d9f73eb34c7ae91ac938d6cd130e
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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