indexo.dev

heilbrunncenter.org

.org crawl

First seen 2026-04-13 · Last seen 2026-05-20 · ok HTTP/1.1 200 910 ms crawled 2026-05-06

US · 192.252.154.195 · AS8739 ICDSoft Ltd.

Reputation 97/100 dmarc monitor-only

Classifying

HTML metadata

Title
The Heilbrunn Center | The Heilbrunn Center for Graham and Dodd Investing
Language
en
Generator
Backdrop CMS 1 (https://backdropcms.org)
Canonical
https://heilbrunncenter.org/node/3

Technology

Server
Apache
CMS
Drupal

Registration

Registrar
eNom, LLC
Created
2008-11-02
Expires
2026-11-02 165 days left
Updated
2025-07-26
Name servers
  • ns1.s1433.sureserver.com
  • ns2.s1433.sureserver.com

DNS records live

NS
  • ns1.s1433.sureserver.com
  • ns2.s1433.sureserver.com
MX
  • 0 mail.heilbrunncenter.org

Email authentication strong

SPF
v=spf1 a mx include:s1433.smtp-spf.sureserver.com ~all
softfail (~all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
  • dkim: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDJlxnoFlrzMMj0blKyikJ5qj2nXXk4hmNPjo+XbHSnoWX7JP8tKMm0YqAJnMsAAGTHvVdV0ltIGmdX5OzwCH…
selectors probed

Certificate (current)

R12
from 2026-03-16 to 2026-06-14
Expires in 24 days

Full certificate history on crt.sh ↗

HTTP security headers

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

present
  • x-frame-options
  • x-content-type-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff

Linked from (1)