indexo.dev

constructionclasses.com

.com crawl

First seen 2026-04-18 · Last seen 2026-05-09 · ok HTTP/1.1 200 4028 ms crawled 2026-05-12

US · 35.212.102.200 · AS15169 Google LLC

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Construction Experts | Online Construction Classes | CEI
Description
Construction Experts provides interactive online construction classes & education courses to students who want to advance their careers.
Language
en-US
Generator
WordPress 6.9.4
Canonical
https://constructionclasses.com/
Feeds

Open Graph

url
https://constructionclasses.com/
title
Construction Experts | Online Construction Classes | CEI
locale
en_US
site name
CEI
description
Construction Experts provides interactive online construction classes & education courses to students who want to advance their careers.

Technology

Server
nginx
CMS
WordPress
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (5)

  • fonts.googleapis.com×4
  • www.googletagmanager.com×2
  • fonts.gstatic.com×1
  • gmpg.org×1
  • px.ads.linkedin.com×1

Social

Contact

Phone

Registration

Registrar
Hostopia Canada Corp
Created
1999-03-25
Expires
2030-03-25 1406 days left
Updated
2022-07-07
Name servers
  • ns1.aplus.net
  • ns2.aplus.net
  • ns3.aplus.net

DNS records live

NS
  • ns1.aplus.net
  • ns2.aplus.net
  • ns3.aplus.net
MX
  • 10 constructionclasses-com.mail.protection.outlook.com
TXT
Show 4 TXT records
  • MS=ms21649991
  • google-site-verification=j6UdbgWFAJ-uDP73DJaOMFnuTIIebGpk-g3TYXaHQkQ
  • iContact35593
  • google-site-verification=SFG4QPauqz6gARtd_PafG_-Kkk2qpzUMW_FD84ldgr0

Email authentication weak

SPF
v=spf1 +a +mx include:spf.protection.outlook.com include:constructionclasses.com.spf.auto.dnssmarthost.net -all
strict (-all)
DMARC
not published
DKIM
  • default: v=DKIM1;k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDPMPHg8IXJH3o982c00PTbiuAoFJo+byb8L8P3jog+gE10k5tNtlkT8SQe6sJIkKbz22nJiAdSjSGnq+jq6LAc…
selectors probed

Certificate (current)

R12
from 2026-04-08 to 2026-07-07
Expires in 49 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (7)

Linked from (1)