indexo.dev

glasfloss.com

.com crawl

First seen 2026-04-16 · Last seen 2026-05-11 · ok HTTP/1.1 200 4234 ms crawled 2026-05-11

US · 198.71.233.83 · AS398787 GoDaddy.com, LLC

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
HVAC Air Filter Manufacturer - Glasfloss Industries
Description
Providing excellence in air filtration since 1936, Glasfloss Industries is the oldest American owned & operated manufacturer of HVAC filters.
Language
en-US
Canonical
https://www.glasfloss.com/
Feeds

Open Graph

url
https://www.glasfloss.com/
title
HVAC Air Filter Manufacturer - Glasfloss Industries
locale
en_US
site name
Glasfloss Industries
description
Providing excellence in air filtration since 1936, Glasfloss Industries is the oldest American owned & operated manufacturer of HVAC filters.

Technology

CDN
Cloudflare
CMS
WordPress
Analytics
  • Google Tag Manager

Third-party hosts loaded (5)

  • cdn.jsdelivr.net×5
  • stackpath.bootstrapcdn.com×3
  • kit.fontawesome.com×2
  • gmpg.org×1
  • www.googletagmanager.com×1

Contact

Email
Phone

Registration

Registrar
Network Solutions, LLC
Created
1996-07-11
Expires
2027-07-10 415 days left
Updated
2022-05-11
Name servers
  • ns29.worldnic.com
  • ns30.worldnic.com

DNS records live

NS
  • ns29.worldnic.com
  • ns30.worldnic.com
MX
  • 20 alcazar.glasfloss.com
TXT
Show 4 TXT records
  • PTckES8bkAQoZhSZa1vlqVI14k/39uPMvcQ5ev6NOwUOFV/72MOXzq6VmwMsLkchyKRW/GbEvbBDfPZGOcILVA==
  • n00398ri28ri3qavq4ntpg5h91
  • protonmail-verification=36cd0480580ac1ad9041c5f124721cf04afc586f
  • nk8a3kvcbuopjd0lfqr64ntr13
Verified for
  • Google
  • Microsoft 365

Email authentication partial

SPF
v=spf1 mx a:alcazar.glasfloss.com a:hermes.adgfi.com ip4:12.68.151.9 ip4:12.68.151.2 ip4:12.7.120.213 include:mercurygate.net include:spf.protection.outlook.com -all
strict (-all)
DMARC
v=DMARC1; p=none; rua=mailto:tech@adgfi.com; ruf=mailto:tech@adgfi.com; fo=0:1:d:s;
policy: none (monitoring only)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCbsFUFJM7joPyvUiQ1YJf5/KsaGuG/AeUB5MpF1mB4rxtIE7poX138D1VingrtJDfcIP0ag5qHQj7iY3LEBp…
selectors probed

Certificate (current)

WE1
from 2026-04-07 to 2026-07-06
Expires in 47 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (1)

Linked from (1)