skillcup.ru

Observed Jul 24, 2026, 02:02 UTC (6h 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

Up right now

Secured byLet's Encrypt

Also usesGoogle Search Console

tranco_100k

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

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

skillcup.ru

A / AAAA

78.155.203.98

unattributedserves the site

a.ns.selectel.rud.ns.selectel.rub.ns.selectel.ruc.ns.selectel.ru

selectel.ruanswers its DNS

mx.yandex.net

yandex.netreceives its email

TLS

skillcup.ru

Let's Encryptissued its certificate

DNS Records

A 1

78.155.203.98

MX 1

1mx.yandex.net

TXT 11

google-site-verification=BqDIgbv6AvA4ud2bqlgTscFM3KwULXIjT8KMR8QTyJU
v=spf1 include:spf.unisender.com include:_spf.yandex.net include:spf.unisender.com ~all
google-site-verification=meTkaYhOCBP8Ya9ZFhoxqfaLdHI05ToDwIS_a4eVneM
mailru-domain: 9BZwhhSRZgASh0jy
MS=ms73108996
google-site-verification=ZGAn34IyelA_Nm7Yqkf-_tCk0v7UWj-GqIo9lkZE3GE
mailru-verification: c6b10f0726744459
v=DMARC1; p=none;
google-site-verification=jTtcEHQ141ooL-ByO8N57UUx_QvxUKSuHQWq4u1uGpM
yandex-verification: 4fa132fef29c663d

NS 4

a.ns.selectel.ru
d.ns.selectel.ru
b.ns.selectel.ru
c.ns.selectel.ru

SOA 1

a.ns.selectel.ru support.selectel.ru

TLS Certificates (4)

Common Name	Issuer	Expires
`skillcup.ru`	C=US, O=Let's Encrypt, CN=YE1	Sun, 04 Oct 2026 21:10:55 +0000
`YE1`	C=US, O=ISRG, CN=Root YE	Sat, 02 Sep 2028 23:59:59 +0000
`Root YE`	C=US, O=Internet Security Research Group, CN=ISRG Root X2	Thu, 02 Sep 2032 23:59:59 +0000
`ISRG Root X2`	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 receipt

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

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

Ed25519 Receipt

Receipt ID: rcpt_76a0e2edd52e7291
Output Hash: b1f597c1fc42cbf6e9999da400f24e990c42fb71d1ccd28335d02ef6f1cd972b
Signature: ed25519:5dbc86857f5acfe8ff567bf78e3b9eba93ce853096207f3df6b4f7d99e17dca6097ebb2381f842e886f9032e5ceefe8f4c66444389f251dfac45056a08922d0a
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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