dttb.gov.lk

Observed Jul 29, 2026, 05:08 UTC (7h 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

Up right now

Email byMicrosoft 365

Secured byLet's Encrypt

1 subdomain · tranco

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

INFRASTRUCTURE MAPwhat dttb.gov.lk actually stands on - every host below is a signed observation

dttb.gov.lk

A / AAAA

85.187.131.75

unattributedserves the site

dttb-gov-lk.mail.protection.outlook.com

Microsoft 365receives its email

TLS

dttb.gov.lk

Let's Encryptissued its certificate

DNS Records

A 1

85.187.131.75

MX 1

0dttb-gov-lk.mail.protection.outlook.com

TXT 2

MS=ms93744373
v=spf1 include:spf.protection.outlook.com -all

TLS Certificates (3)

Common Name	Issuer	Expires
`dttb.gov.lk`	C=US, O=Let's Encrypt, CN=YR2	Mon, 07 Sep 2026 20:23:20 +0000
`YR2`	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)

www.dttb.gov.lk

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 dttb.gov.lk. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_555b6259fff86efd
Output Hash: a21b1a44ca273920f97fdc9f3eaff448073381501ef7f15b2e8aaf69a00c41e4
Signature: ed25519:28fd9c1683615dba1df200ed628f82d2548d226b57b3ee97a5eda327bacb4acbd848a9ca80cbc7b01264f59ca2ec8a9ef0f461243fef8b90f24d02fd4b06ec00
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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