pdhonline.com

.com crawl

First seen 2026-04-17 · Last seen 2026-05-12 · ok HTTP/1.1 200 1571 ms crawled 2026-05-12

US · 209.160.71.47 · AS14361 HopOne Internet Corporation

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Online PDH Provider for Engineers Land Surveyors Architects PE CEU PLS CPC LS CPD PDU - Professional Development Hours and Continuing Education Units for AIA LU RA sponsor courses credits hour units self home study PDH free CEU license renewal CE design civil engineer structural mechanical electrical architectural engineering
Description
Official PDH Online Website - PDHonline.com provides online (web-based) professional development courses (PDH, hours units credits or PDHs) continuing education units (CEU CEUs) and learning units (LU LUs) for engineer (engineers PE P.E.) land surveyor (surveyors LS PLS) geologist (geologists PG) and architect (architects AIA A.I.A. RA) provider sponsor free engineering forum software technical publication or resource

Technology

Server
Apache

Third-party hosts loaded (2)

  • calendar.google.com×1
  • cdnjs.cloudflare.com×1

Registration

Registrar
GoDaddy.com, LLC
Created
1999-08-04
Expires
2034-08-04 2999 days left
Updated
2025-05-28
Name servers
  • ns07.domaincontrol.com
  • ns08.domaincontrol.com

DNS records live

NS
  • ns07.domaincontrol.com
  • ns08.domaincontrol.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
Show 4 TXT records
  • google-site-verification=iOc6U3zEBya5IqwUbMc3iSIENFaZ9zsOtK98X6m0GAw
  • google-site-verification=GAyRhyWTADpH3vMNG_k0Ra3gkmOMtdc_zRVkNybX-1c
  • NETORGFT7444395.onmicrosoft.com
  • google-site-verification=4j_LdGGUJuhnWRkSCgbaFa-U4AyT1fEKBUzCNwaasw0

Email authentication partial

SPF
v=spf1 include:secureserver.net ip4:209.160.71.47 ~all
softfail (~all)
DMARC
v=DMARC1; p=none
policy: none (monitoring only)
DKIM
  • default: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDaiHZtcGPmlhjL1KxE17UyowNkqXZ+64bXqQyZEDv1AnfiJ7jI5ypDxg4V26rvkQuvEmlfneMxXcIoaFbOwJ…
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAl+AHYH6X07sMdxNID6PrGF2RfWHxlPMuDkYUE9HMtT0pO+7BFJNvoHbGlM3xsTjh5s7ff7Hg7iZm54…
selectors probed

Certificate (current)

R12
from 2026-05-10 to 2026-08-08
Expires in 81 days

HTTP security headers

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

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

Links to (2)

Linked from (3)