ustc.ac.bd

Observed Jul 26, 2026, 08:56 UTC (7d 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

Not responding

Email byGoogle Workspace

Secured byLet's Encrypt

majestic

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

INFRASTRUCTURE MAPwhat ustc.ac.bd actually stands on - every host below is a signed observation

ustc.ac.bd

A / AAAA

107.181.234.46

unattributedserves the site

ns2.exonhost.comns1.exonhost.com

exonhost.comanswers its DNS

ASPMX.L.GOOGLE.COMASPMX.L.GOOGLE.COMASPMX.L.GOOGLE.COM

Google Workspacereceives its email

TLS

*.ustc.ac.bd

Let's Encryptissued its certificate

DNS Records

A 1

107.181.234.46

MX 3

5ASPMX.L.GOOGLE.COM
1ASPMX.L.GOOGLE.COM
10ASPMX.L.GOOGLE.COM

TXT 1

v=spf1 ip4:107.181.234.46 +a +mx +ip4:131.153.202.183 +include:smtp-out.purpleit.com ~all

NS 2

ns2.exonhost.com
ns1.exonhost.com

SOA 1

ns1.exonhost.com webmaster.exonhost.com

TLS Certificates (3)

Common Name	Issuer	Expires
`*.ustc.ac.bd`	C=US, O=Let's Encrypt, CN=YR1	Tue, 13 Oct 2026 13:39:20 +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 (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.

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

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

Ed25519 Receipt

Receipt ID: rcpt_9cb292fa2d30ac08
Output Hash: 7bc1b07e94ec622574de4380c9058040b3b557f224836c9a32a8a8d6c40130fe
Signature: ed25519:89ed35ed96fe25aae31ccf4e57c699a37799a7523f1617a9231ae9f9bce92bae5bcf1254829329c6cbb50e47f339e2f3d22e2c60d96f9bb0bc8691b8e7a22b0c
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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