indexo.dev

flinnsci.com

.com crawl

First seen 2026-04-16 · Last seen 2026-05-07 · ok HTTP/1.1 200 977 ms crawled 2026-05-11

SE · 217.114.94.2 · AS30811 Optimizely AB

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Flinn Scientific | Science Lab Equipment Chemistry Supplier & Tools
Description
Flinn Scientific is the #1 source for science supplies and equipment both in and outside the classroom. For more than 40 years, Flinn has been the “Safer Source for Science.” Science Lab Equipment Biology, Chemistry Supplies & Tools
Language
en

Technology

CDN
Cloudflare
Analytics
  • Google Tag Manager

Third-party hosts loaded (3)

  • cdn.optimizely.com×1
  • www.facebook.com×1
  • www.googletagmanager.com×1

Contact

Address
770 N. Raddant Road, 60510, Batavia, IL, US

Registration

Registrar
Network Solutions, LLC
Created
1997-02-15
Expires
2031-02-16 1733 days left
Updated
2025-12-18
Name servers
  • ns61.worldnic.com
  • ns62.worldnic.com

DNS records live

NS
  • ns61.worldnic.com
  • ns62.worldnic.com
MX
  • 5 flinnsci-com.mail.protection.outlook.com
TXT
Show 17 TXT records
  • new-relic-domain-verification=35654edd7ef44688b3e27568e322a510
  • sophos-domain-verification=cd6f6c5e709fa13b9de339d7279c3620409861b4f631de7af99435d09413b0fd
  • google-site-verification=H8To_LBAf0mOaE-MOtK6sTonZnZtBEjwLd6_ukTZqt0
  • google-site-verification=kvzMvBgcqpKcXVdsxA_ZGPc-z8hEMWiImoDBUR5AhwU
  • anthropic-domain-verification-3dgr44=p5t9HEgroU6zzRjUReTdVHsF6
  • google-site-verification=IRZnkK3Pcdv1fF0PxChYNGzMVzJQ6055C9O8BiyjLf0
  • google-site-verification=MXOMogiS7ecR5A2l-tjr9WM3BlMfEsHLGw3sj4vb7UQ
  • MpsAAJKJ6FExMfZ1tv7p1J6wf1B9Zo3DHzpsfKX1
  • j48le3f0lak8fbk20pkcf2hh0u
  • google-site-verification=88v2Zxq-yT75EiCbKN_usOa7uNttVMdVJ_vPAKeonPU
  • r4hc8e4jv3u7s9ldoga3j5anqe
  • 7ngcvsquc98glcfp729rafraej
  • bjnAg4IqGVG0ugrpMCPVq+vLicMsYbCcSxHuWVX0/wmaPFyOsvUO4efntK1IPySVFAya43fyRDA8kxHTL4g2yA==
  • q1m13so22tcr357q4sfg7oc922
  • google-site-verification=X4NMUorK0hA38sdLdGRXgdkRxJ4kCTYaFfFkXQ_v6CI
  • k4afqqmiv75dat7vk1o9p6meqo
  • knowbe4-site-verification=947829c7154fb09f62d081aba8385c6e

Email authentication strong

SPF
v=spf1 ip4:173.15.107.0/29 ip4:54.240.8.61 ip4:99.43.155.168/29 ip4:206.82.157.60/24 ip4:12.227.233.160/29 ip4:50.205.141.58 ip4:173.15.107.3 ip4:54.240.51.52 ip4:54.240.51.53 include:_spf.mailgun.org include:whitelabel.flinnsci.com include:spf.protection.outlook.com include:amazonses.com ~all
softfail (~all)
DMARC
v=DMARC1;p=reject;pct=10;rua=mailto:1327c90a@mxtoolbox.dmarc-report.com,mailto:dmarc-notify@flinnsci.com;ruf=mailto:1327c90a@forensics.dmarc-report.com,mailto:dmarc-notify@flinnsci.com;fo=1;ri=86400
policy: reject (enforced) · pct=10
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDb6DPAbw2NduDB3dZZrrrmv79hZghM3KQl5vldLhjhptghpPdUFmIj7+xiYWP8DQhCudC9RdHGR5flRsFKt/…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxDKFUcMRAd8wk0cnBTT+JlwOxxqQ4SNXbt5BYLOARBl9aKZWTtENKknvqC83wwcxCdn8gqjPNuuqw+…
  • k1: k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDQ9IEdO4xgDcZXH+QLiI5J+mbG7ioBnSHc2n2vD2eR8bBNNYOOmtkSJgXe2KSMQHLx5Z6eauBl+D+xKq0cf76Jh0RySiM…
selectors probed

Certificate (current)

Go Daddy Secure Certificate Authority - G2
from 2025-10-16 to 2026-11-17
Expires in 182 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://www.flinnsci.com/

present
  • strict-transport-security
findings
  • short HSTS max-age
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=2592000

Linked from (1)