addgene.org

.org crawl

First seen 2026-04-12 · Last seen 2026-05-19 · ok HTTP/1.1 200 2620 ms crawled 2026-05-05

US · 172.66.43.190 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: Addgene: Powering Scientific Sharing
Description: Addgene is a nonprofit repository for plasmids, viral vectors, and recombinant antibodies, plus educational resources, material transfer services, and direct scientist support for researchers worldwide.
Language: en-US
Generator: addgene-core 2845bff9bb

Technology

CDN: Cloudflare

Analytics

Cloudflare Insights

Third-party hosts loaded (2)

challenges.cloudflare.com×1
static.cloudflareinsights.com×1

Social

Registration

Registrar

Gandi SAS

Created

2003-11-04

Expires

2026-11-04 167 days left

Updated

2025-10-05

Name servers

coby.ns.cloudflare.com
kay.ns.cloudflare.com

DNS records live

NS

coby.ns.cloudflare.com
kay.ns.cloudflare.com

MX

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

TXT

v=spf1 include:_spf.google.com include:mail.zendesk.com include:sent-via.netsuite.com include:amazonses.com include:306096.spf05.hubspotemail.net ~all

Verified for

Apple
Atlassian
Google
Microsoft 365
OpenAI
Zoom

Certificate (current)

WE1

from 2026-03-21 to 2026-06-19

Expires in 30 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.addgene.org/

present

content-security-policy-report-only
x-frame-options

findings

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

Header values

x-frame-options: SAMEORIGIN
content-security-policy-report-only: font-src 'self' http://static-assets https://fonts.gstatic.com data: *.addgene.org; style-src 'unsafe-inline' 'self' https://fonts.googleapis.com http://static-assets https://googletagmanager.com https://tagmanager.google.com *.addgene.org; frame-src 'self' https://challenges.cloudflare.com https://www.googletagmanager.com https://www.surveymonkey.com https://bid.g.doubleclick.net https://www.youtube.com *.addgene.org https://td.doubleclick.net; script-src static.cloudflareinsights.com 'unsafe-inline' 'self' https://www.googleadservices.com https://challenges.cloudflare.com https://widget.surveymonkey.com http://static-assets https://assets.zendesk.com https://googletagmanager.com https://static.zdassets.com https://tagmanager.google.com https://www.googletagmanager.com https://*.googletagmanager.com https://js-agent.newrelic.com https://googleads.g.doubleclick.net https://www.google.com https://ajax.googleapis.com *.addgene.org; connect-src *.nr-data.net 'self' https://*.analytics.goo