CONTINUOUS INTERNET TELEMETRY24H DRIFTat least 23,722 material changesacross 23,285+ domains · 24h to ~9h ago · a floor, 15h of 24 walkedNOW564 curated domains not reachablelast probe, steadySITE ERRORS34,207 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,476 sites429 rate-limit / 403 bot-block, a posture signal

yclass.ir

Observed Jul 25, 2026, 21:19 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.

Not responding
Signed observation on record.
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat yclass.ir actually stands on - every host below is a signed observation
yclass.ir
A / AAAA
37.156.145.141
unattributedserves the site
NS
ns2.yclass.irns1.yclass.ir
yclass.iranswers its DNS
MX
yclass.ir
yclass.irreceives its email

DNS Records

A 1

  • 37.156.145.141

MX 1

  • 0yclass.ir

TXT 1

  • v=spf1 ip4:37.156.145.141 +a +mx +ip4:37.156.145.140 ~all

NS 2

  • ns2.yclass.ir
  • ns1.yclass.ir

SOA 1

  • ns1.yclass.ir support.yasanacademy.ir

TLS Certificates (0)

None.

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 yclass.ir. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_1d42b2f3f8259737
Output Hash
8410c1afd74d81a820ce55b057ef3f54f3abf3dcdce1bc7aa2ea0bb22450a081
Signature
ed25519:f58159b5d7d08fa694de9e735fc72f3915bba3a1f8754bfa254aa24a327e860b0e7cbe4684aff19e915b986809312a30d75dd3d62a7af34de75017bc9519970b
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser