antithesis.com

Observed Jul 23, 2026, 05:13 UTC (2d 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 Console

IPv6 · 1 subdomain · tranco

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

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

antithesis.com

A / AAAA

3.167.88.83.167.88.583.167.88.763.167.88.120+8 more

2600serves the site

ns-394.awsdns-49.comns-664.awsdns-19.netns-1377.awsdns-44.orgns-1882.awsdns-43.co.uk

awsdns-49.com + awsdns-19.net + moreanswers its DNS

aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx2.googlemail.com+1 more

Google Workspacereceives its email

TLS

antithesis.com

Amazonissued its certificate

DNS Records

A 4

3.167.88.8
3.167.88.58
3.167.88.76
3.167.88.120

AAAA 8

2600:9000:27cb:2600:3:7249:7f00:93a1
2600:9000:27cb:4a00:3:7249:7f00:93a1
2600:9000:27cb:8600:3:7249:7f00:93a1
2600:9000:27cb:a000:3:7249:7f00:93a1
2600:9000:27cb:b200:3:7249:7f00:93a1
2600:9000:27cb:ba00:3:7249:7f00:93a1
2600:9000:27cb:cc00:3:7249:7f00:93a1
2600:9000:27cb:e000:3:7249:7f00:93a1

MX 5

1aspmx.l.google.com
5alt1.aspmx.l.google.com
5alt2.aspmx.l.google.com
10aspmx2.googlemail.com
10aspmx3.googlemail.com

TXT 6

730715E780
rippling-domain-verification=f90136df4708e844
google-site-verification=Gna8-fq7TCgQQRjqB-z-Ja9buTwIGMeDstwgpvUsRcQ
google-site-verification=NIvHoFFQywvxfflUyTTECid8V3GaxgpddKAkk_jp2hc
v=spf1 include:_spf.google.com include:_spf.salesforce.com include:mktomail.com -all
v=DMARC1; p=quarantine; pct=100; ri=86400; rua=mailto:dmarc@antithesis.com

NS 4

ns-394.awsdns-49.com
ns-664.awsdns-19.net
ns-1377.awsdns-44.org
ns-1882.awsdns-43.co.uk

SOA 1

ns-664.awsdns-19.net awsdns-hostmaster.amazon.com

TLS Certificates (3)

Common Name	Issuer	Expires
`antithesis.com`	C=US, O=Amazon, CN=Amazon RSA 2048 M04	Tue, 03 Nov 2026 23:59:59 +0000
`Amazon RSA 2048 M04`	C=US, O=Amazon, CN=Amazon Root CA 1	Fri, 23 Aug 2030 22:26:35 +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 (1)

www.antithesis.com

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

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

Ed25519 Receipt

Receipt ID: rcpt_93d49126743d87b1
Output Hash: ed230cc78b91f1310350d922dfbcc90bb9864368233a9dc38e63cae01a6985dc
Signature: ed25519:097f814ea7f0a8c38ddd8fac37c5e127111b25810adcf1cf263e81defe85871bcdc000f4626287a161031296ad42a559ce4e4ae18bf1fd1a6c7ce6122aa21103
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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