guardanthealth.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 1767 ms crawled 2026-05-18

US · 184.33.117.109 · AS16509 Amazon.com, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: Guardant Health | Conquering Cancer With Data
Description: Guardant Health is a leading precision medicine company focused on transforming patient care and conquering cancer with data.
Language: en-US
Canonical: https://guardanthealth.com/

Open Graph

url: https://guardanthealth.com/
title: Guardant Health | Conquering Cancer With Data
locale: en_US
site name: Guardant Health
description: Guardant Health is a leading precision medicine company focused on transforming patient care and conquering cancer with data.

Technology

Server: Apache
CMS: WordPress

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (5)

fonts.googleapis.com×2
www.google.com×2
fonts.gstatic.com×1
www.bugherd.com×1
www.googletagmanager.com×1

Social

Registration

Registrar

Amazon Registrar, Inc.

Created

2011-08-23

Expires

2026-08-23 94 days left

Updated

2026-05-13

Name servers

ns-1044.awsdns-02.org
ns-2043.awsdns-63.co.uk
ns-284.awsdns-35.com
ns-730.awsdns-27.net

DNS records live

NS

ns-1044.awsdns-02.org
ns-2043.awsdns-63.co.uk
ns-284.awsdns-35.com
ns-730.awsdns-27.net

MX

10 guardanthealth-com.mail.protection.outlook.com

TXT

box-domain-verification=5593e8cdc7aba2fd4716da7810e5b01e89d3a49920d4120a7e292aca3038b348
pardot521511=c7997190130ea0a22c3219e7b4a617e025b5df3045fcdc2c650e09dc888e3562

Verified for

Adobe
Anthropic
Apple
Atlassian
Google
Miro
OpenAI
Pendo
Slack
Twilio

Email authentication strong

SPF

v=spf1 include:_u.guardanthealth.com._spf.smart.ondmarc.com ~all

softfail (~all)

DMARC

v=DMARC1; p=reject; pct=100; sp=reject; rua=mailto:d1fa8d6a@inbox.ondmarc.com; ruf=mailto:d1fa8d6a@inbox.ondmarc.com; adkim=r; aspf=r; fo=1; rf=afrf; ri=3600

policy: reject (enforced) · sp=reject

DKIM

Show 7 DKIM selectors

google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxfWIQXAHAXKC5Vet4SmLNl18YdnqfzgH53+mtFaYvrv5LjT8md8vhWqDXMa0BIY4KvliHOUJ8NjrpQ…
selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCc24IZBDfzTeKeor6JsaL2WaTtzdrfzT6+fQ6yyQsAUh0AwNu0Y3WSlC/0mO8+EJfWQujpx3DA5a2P/Ol8ny…
selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyaybfzRs4YWfCn0ocLhQePSvZh8mdRNrrCuDGBhzryLYgV46EqJKmMvnTtr1PNLQ9Qk5qUOwA4sVeX…
k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoU+mu8Buq2rh99m+0f4jk3LJetfPdbbsrDwZ+agem5Cv7WNwkMVIQh6k14sQeOgQSUoxCO44IbuzwgS3D/…
s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCxRL4g1WCvwMnOiCq2kPwvFjO7uaTjqV2535fT1cel6qsrhPaEnS9uJeP9XfQ0XOhnrY5O/FVtMiiqjeSnn/mVfb…
smtpapi: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDPtW5iwpXVPiH5FzJ7Nrl8USzuY9zqqzjE0D1r04xDN6qwziDnmgcFNNfMewVKN2D1O+2J9N14hRprzByFwfQW76…

selectors probed

Certificate (current)

Amazon ECDSA 256 M04

from 2025-10-13 to 2026-11-12

Expires in 175 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://guardanthealth.com/

findings

missing HSTS
missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy