CONTINUOUS INTERNET TELEMETRY24H DRIFT31,420 material changesacross 29,745 domains · last 24hSHIFT20 domains moved DNS from brainydns.com to koaladns.coma coordinated move · 24hNOW560 curated domains not reachablelast probe, steadySITE ERRORS34,183 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,263 sites429 rate-limit / 403 bot-block, a posture signal

yu.ac.ir

Observed Aug 3, 2026, 03:14 UTC (21h 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.
Also usesGoogle Search Console
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat yu.ac.ir actually stands on - every host below is a signed observation
yu.ac.ir
A / AAAA
5.160.140.3172.16.16.19
unattributedserves the site
NS
ns2.yu.ac.irns1.yu.ac.ir
ac.iranswers its DNS
MX
mail.yu.ac.ir
ac.irreceives its email

DNS Records

A 2

  • 5.160.140.3
  • 172.16.16.19

MX 1

  • 10mail.yu.ac.ir

TXT 4

  • 682f20413c02407a84c2f47c20f5d3f6483a398b088281046bf10297f15a86e
  • google-site-verification=6QIoiTXbjORbBbzR_c0JyRdVVH2JbOjvqEMozNug-dw
  • 71db9ccdf812b5e6372fa898940eb8b66865ea9d90de70a4b0bd123dc484b1d
  • v=spf1 mx -all

NS 2

  • ns2.yu.ac.ir
  • ns1.yu.ac.ir

SOA 1

  • ns1.yu.ac.ir hostmaster.ns1.yu.ac.ir

SRV 4

  • webmail.yu.ac.ir:5060 p0
  • webmail.yu.ac.ir:5222 p0
  • webmail.yu.ac.ir:5269 p0
  • webmail.yu.ac.ir:80 p0

DMARC_RECORDS 1

  • v=DMARC1; p=reject; pct=100; rua=mailto:mailauth-rua@yu.ac.ir; ruf=mailto:mailauth-ruf@yu.ac.ir; fo=1

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

Ed25519 Receipt

Receipt ID
rcpt_b05d3b4be4c890e3
Output Hash
01abeed79dd34c5333b9da6c08a03f92fb10f5e518d1ceffd06d4465bd99f962
Signature
ed25519:2f6e06c5e0605399889fc92fa8630849a6d62f68a5c77848d9a510bc45455a94dbe23723b5c48ca202fceac6b6c9845d6d3f5fa891fe2a0694693d7a040b8c06
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
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