CONTINUOUS INTERNET TELEMETRY24H DRIFT12,276 material changesacross 11,592 domains · 24h to ~3h ago · +3,513 vs yesterdayNOW560 curated domains not reachablelast probe, steadySITE ERRORS34,304 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,289 sites429 rate-limit / 403 bot-block, a posture signalMOVERokta.comNo mail routes in the latest observation

userver.tech

Observed Aug 2, 2026, 19:25 UTC (16h 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
IPv6 · 1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat userver.tech actually stands on - every host below is a signed observation
userver.tech
A / AAAA
185.199.109.153185.199.108.153185.199.110.153185.199.111.153+4 more
2606serves the site
NS
ns3.yandex.runs4.yandex.ru
yandex.ruanswers its DNS
MX
mx.yandex-team.ru
yandex-team.rureceives its email
TLS
userver.tech
Let's Encryptissued its certificate

DNS Records

A 4

  • 185.199.109.153
  • 185.199.108.153
  • 185.199.110.153
  • 185.199.111.153

AAAA 4

  • 2606:50c0:8001::153
  • 2606:50c0:8000::153
  • 2606:50c0:8002::153
  • 2606:50c0:8003::153

MX 1

  • 10mx.yandex-team.ru

TXT 1

  • v=spf1 redirect=_spf.yandex-team.ru

NS 2

  • ns3.yandex.ru
  • ns4.yandex.ru

SOA 1

  • ns3.yandex.ru sysadmin.yandex.ru

DMARC_RECORDS 1

  • v=DMARC1; p=none; fo=1; rua=mailto:dmarc_agg@auth.returnpath.net,mailto:dmarc-rua@yandex.ru; ruf=mailto:dmarc_afrf@auth.returnpath.net

TLS Certificates (3)

Common NameIssuerExpires
userver.tech C=US, O=Let's Encrypt, CN=YR1 Thu, 17 Sep 2026 15:03:22 +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 receipt

Ed25519 Receipt

Receipt ID
rcpt_121cda0cc8883cec
Output Hash
770bdc6ae771614eaa9894a1df10badb89ed4b45bf9e1177cc3a49ea372d96ad
Signature
ed25519:7b968d569a904c4471bf2268a2c832a675f3c2d5c1884767ed95cc15fabff612f197ae53931fb213a42221a977c6b8d911fbe640f556db0c1b0e98734c379700
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser