sematext.com

Observed Jul 29, 2026, 14:44 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 byGoogle Workspace

Secured byAmazon

Also usesGoogle Search ConsoleHubSpot

tranco_100k

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

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

sematext.com

A / AAAA

52.86.179.1913.225.20.103

unattributedserves the site

ns-1058.awsdns-04.orgns-1839.awsdns-37.co.ukns-745.awsdns-29.netns-81.awsdns-10.com

awsdns-04.org + awsdns-37.co.uk + moreanswers its DNS

aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

*.sematext.com

Amazonissued its certificate

DNS Records

A 2

52.86.179.191
3.225.20.103

MX 5

1aspmx.l.google.com
10alt3.aspmx.l.google.com
10alt4.aspmx.l.google.com
5alt1.aspmx.l.google.com
5alt2.aspmx.l.google.com

TXT 3

google-site-verification=JdXXFoUvTr_JqiLSwY8A4PaClUYhj4zXEILi2zgmCp8
v=spf1 include:5111483.spf08.hubspotemail.net include:_spf.google.com include:amazonses.com include:_spf.freshbooks.com include:mailgun.org ~all
v=DMARC1; p=quarantine; prct=100; ri=86400; adkim=r; aspf=r

NS 4

ns-1058.awsdns-04.org
ns-1839.awsdns-37.co.uk
ns-745.awsdns-29.net
ns-81.awsdns-10.com

SOA 1

ns-81.awsdns-10.com awsdns-hostmaster.amazon.com

TLS Certificates (3)

Common Name	Issuer	Expires
`*.sematext.com`	C=US, O=Amazon, CN=Amazon RSA 2048 M01	Mon, 01 Feb 2027 23:59:59 +0000
`Amazon RSA 2048 M01`	C=US, O=Amazon, CN=Amazon Root CA 1	Fri, 23 Aug 2030 22:21:28 +0000
`Amazon Root CA 1`	C=US, ST=Arizona, L=Scottsdale, O=Starfield Technologies, Inc., CN=Starfield Services Root Certificate Authority - G2	Thu, 31 Dec 2037 01:00:00 +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.

Verify this receipt

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

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

Ed25519 Receipt

Receipt ID: rcpt_7b069d1daeb9a8bc
Output Hash: 21895eed4880ab9852697c83156422d3ee4df1536be8327564d5b4f9a9a18040
Signature: ed25519:a60ba568f1b8641a328bdb13d4aaac3d53e1de5cc0eec61ff0d9ca60602d5d082516d66b536212b29e1b914e98fe2fef333e84845be3d686bdc102af613b8003
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/sematext.com