indexo.dev

heinonline.org

.org crawl

First seen 2026-04-15 · Last seen 2026-05-19 · ok HTTP/1.1 200 5310 ms crawled 2026-05-10

US · 173.225.61.243 · AS46887 Crown Castle Fiber LLC

Reputation 92/100 no dmarc policy

Classifying

Technology

Server
nginx

Registration

Registrar
Network Solutions, LLC
Created
2000-04-07
Expires
2032-04-07 2149 days left
Updated
2022-04-07
Name servers
  • edns1.ultradns.org
  • edns1.ultradns.biz
  • edns1.ultradns.net
  • edns1.ultradns.com

DNS records live

NS
  • edns1.ultradns.biz
  • edns1.ultradns.com
  • edns1.ultradns.net
  • edns1.ultradns.org
MX
  • 10 d306133a.ess.barracudanetworks.com
  • 20 d306133b.ess.barracudanetworks.com
TXT
  • google-site-verification=816oHzjfSGyvW06Wk5EcrOxjBb1X0_bRQVGBmmWhmFI
  • google-site-verification=pMo-1YiOWzEDBxUcDrpUACW-E-1RH13D9ajyXH5LdCg
  • MS=ms87468807

Email authentication weak

SPF
v=spf1 ip4:173.225.61.254 include:spf.protection.outlook.com -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Network Solutions RSA OV SSL CA 3
from 2025-05-29 to 2026-06-30
Expires in 41 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://heinonline.org/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=31536000

Linked from (5)