smartbrief.com

Observed 2026-07-14T18:31:44.798Z (16h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Registered withLexsynergy Limited

Also usesFacebook/MetaGoogle Search Console

6 subdomains · tranco_40k

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

INFRASTRUCTURE MAPwhat smartbrief.com actually stands on - every host below is a signed observation

smartbrief.com

A / AAAA

141.193.213.21141.193.213.20

Cloudflareserves the site

ns-774.awsdns-32.netns-382.awsdns-47.comns-1516.awsdns-61.orgns-1609.awsdns-09.co.uk

awsdns-32.net + awsdns-47.com + moreanswers its DNS

corpmail.smartbrief.com

smartbrief.comreceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.smartbrief.com/

HTTP status301

Servercloudflare

TLS protocolHTTP/3

TLS issuernot observed

Behind Cloudflareyes

Response time217 ms

DNS resolutionNOERROR

Redirect chain

https://www.smartbrief.com/

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 2

141.193.213.21
141.193.213.20

MX 1

10corpmail.smartbrief.com

TXT 11

yahoo-verification-key=C62JK6fMG9JqCam0KynIQZPje8GPGQEFfP7ZQ5hvEi8=
v=spf1 include:_spf.smartbrief.com -all
globalsign-domain-verification=F4B916AC94E63A18B0175F4A24988C8C
facebook-domain-verification=yf9mnkugbque78djh484z44mkmzdab
globalsign-domain-verification=B449806DAABB063F0EA4421D71E2728B
google-site-verification=xmELWuiQrKVQirHo5Ad-GoZoMWVaX9RpZKyX9v1xWrw
google-site-verification=hSIjbroCEJRHm54jImz9HBKGY2WmGQ2RE0SvrmYiBAg
google-site-verification=xH1kY6rhcpWahVe41k9Ga6VuHrOr9-l68oDxF-bwr7A
c4q83n1ci10sm4575gtpr7ntp3
v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

NS 4

ns-774.awsdns-32.net
ns-382.awsdns-47.com
ns-1516.awsdns-61.org
ns-1609.awsdns-09.co.uk

SOA 1

ns-1609.awsdns-09.co.uk awsdns-hostmaster.amazon.com

TLS Certificates (0)

None.

Subdomains (6)

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 smartbrief.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: ca675234-261e-4697-ba07-efe1cb0e2f51
Output Hash: da1d14da5336d80b02b3c2dccb603dd8e0c7f7405bc7339bd384333199876103
Signature: ed25519:15258744079034126a22b732323da7cf6f526fbc4e74de5077532106c67b08cbfb9aebf9c693fe7480275e4c57c504c4000df48ab5d8cbea6cd1742bf704c303
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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