thoughtco.com

Observed Jul 18, 2026, 12:48 UTC (3d ago). Every field below was attested with an Ed25519 signature at scan time.

Not responding

Runs onCloudflare

Email byGoogle Workspace

Secured byLet's Encrypt

Registered withMarkMonitor Inc.

Also usesAtlassianDocuSignFacebook/MetaGoogle Search Console

IPv6 · tranco_10k

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

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

thoughtco.com

A / AAAA

172.66.1.220162.159.141.2242606:4700:7::1d82a06:98c1:58::1d8

Cloudflareserves the site

blue.foundationdns.orgblue.foundationdns.comblue.foundationdns.net

foundationdns.org + foundationdns.com + 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

thoughtco.com

Let's Encryptissued its certificate

DNS Records

A 2

172.66.1.220
162.159.141.224

AAAA 2

2606:4700:7::1d8
2a06:98c1:58::1d8

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 10

adobe-idp-site-verification=4d443bb146b2a60fc0c0216c899a6ef9baa971cc3c36ac4b3020b4719b5c2e82
airtable-verification=7f23bd05102c5a2c073b0d0689ecaf71
atlassian-domain-verification=uUTQHYge655RxaiCqp-IAyc/Q7GgtoJziDouyp0rB7n8OUdp4q8WfSgllR1IaJVR
docusign=c86da653-08b1-4692-b7fa-99a25a691a67
facebook-domain-verification=4zspck49dsym1nipxzxvo351eijrul
google-site-verification=-c3eo7dcLye-A9iDosySTUvZijxIn1PC5UsiCkGT7AE
google-site-verification=e95qaVLKB4CGmC3zGdm7Lo1TCXjjAyVbqfUlCNmYHeM
knowbe4-site-verification=fa92b9e4fa2fbe928824de444cebea5e
v=spf1 ip4:64.125.213.247 ip4:216.223.13.247 include:_spf.salesforce.com include:_spf.google.com ~all
v=DMARC1; p=none; fo=1; rua=mailto:thoughtco@rua.agari.com; ruf=mailto:thoughtco@ruf.agari.com

NS 3

blue.foundationdns.org
blue.foundationdns.com
blue.foundationdns.net

SOA 1

blue.foundationdns.com dns.cloudflare.com

TLS Certificates (4)

Common Name	Issuer	Expires
`thoughtco.com`	C=US, O=Let's Encrypt, CN=YE2	Tue, 01 Sep 2026 00:38:19 +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 (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 thoughtco.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: b1064ded-ac78-4e1b-9be2-69f77ed363f1
Output Hash: 382db83cf5e08553453e2b502966ae06f55d3996500bd81e50105a3c5a2a660e
Signature: ed25519:b083f21f8dfa2ec0589884cbe64ce87c94cf34b0f73e7305c375906b89dd5fde0024753838c067999510cde06457e8039ece2a3112e5b17ee3b6294c7a39ba0b
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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