CONTINUOUS INTERNET TELEMETRY24H DRIFT7,759 material changesacross 7,350 domains · last 24h · -2,656 vs yesterdayDNS DRIFT474 domains changed DNS providertop destination cloudflare.com · -185 vs yesterdayEMAIL DRIFT114 domains switched email providertop destination google.com · -53 vs yesterdayCERT DRIFT159 domains switched issuing CA24h · -60 vs yesterdayNOW493 curated domains not reachable-210 vs yesterdaySITE ERRORS17,407 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 96,752 sites429 rate-limit / 403 bot-block, a posture signal

du.ac.bd

Observed Jul 24, 2026, 01:58 UTC (4h 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
Email byGoogle Workspace
Secured byLet's Encrypt
1 subdomain · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat du.ac.bd actually stands on - every host below is a signed observation
du.ac.bd
A / AAAA
103.221.252.190
unattributedserves the site
NS
dns1.du.ac.bddns2.du.ac.bd
ac.bdanswers its DNS
MX
aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx2.googlemail.com+3 more
Google Workspacereceives its email
TLS
du.ac.bd
Let's Encryptissued its certificate

DNS Records

A 1

  • 103.221.252.190

MX 7

  • 10aspmx.l.google.com
  • 20alt1.aspmx.l.google.com
  • 20alt2.aspmx.l.google.com
  • 30aspmx2.googlemail.com
  • 30aspmx3.googlemail.com
  • 30aspmx4.googlemail.com
  • 30aspmx5.googlemail.com

TXT 2

  • v=spf1 include:_spf.google.com ~all
  • google-gws-recovery-domain-verification=44766890

NS 2

  • dns1.du.ac.bd
  • dns2.du.ac.bd

SOA 1

  • dns1.du.ac.bd hostmaster.du.ac.bd

TLS Certificates (4)

Common NameIssuerExpires
du.ac.bd C=US, O=Let's Encrypt, CN=YE2 Sat, 03 Oct 2026 18:32:50 +0000
YE2 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 (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

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

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

Ed25519 Receipt

Receipt ID
rcpt_804d85dab2e837c6
Output Hash
b2c0103f056ca3cfe2cc9310b1147627606720098ec1d43d40c28e3e60f5592c
Signature
ed25519:d98838d094f54275d402527ebb57bf4cfc35a562c0a4c81bfb08e86a4b354d6e57136e609db73f86bda7d935f2b3214ac9b4e415824389467ee3d7e1e98ead0d
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser