natfiltsupply.com

.com crawl

First seen 2026-05-15 · Last seen 2026-05-20 · ok HTTP/1.1 200 1764 ms crawled 2026-05-20

US · 198.185.159.144 · AS53831 Squarespace, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
National Filter Supply | Industry-Specific Commercial Filters
Description
National Filter Supply provides commercial and industrial air filters for hospitals, schools, data centers, and warehouses. From pleated to HEPA & ULPA, our filters meet ASHRAE standards and deliver reliable air quality solutions nationwide.
Language
en-US
Canonical
https://www.natfiltsupply.com

Open Graph

url
https://www.natfiltsupply.com
title
National Filter Supply | Industry-Specific Commercial Filters
site name
National Filter Supply
description
National Filter Supply provides commercial and industrial air filters for hospitals, schools, data centers, and warehouses. From pleated to HEPA & ULPA, our filters meet ASHRAE standards and deliver reliable air quality solutions nationwide.

Technology

Server
Squarespace
CMS
Squarespace
Fonts
  • Google Fonts
Third-party hosts loaded (7)
  • definitions.sqspcdn.com×18
  • images.squarespace-cdn.com×13
  • assets.squarespace.com×12
  • static1.squarespace.com×4
  • cdn.jsdelivr.net×2
  • fonts.googleapis.com×1
  • fonts.gstatic.com×1

Social

Contact

Phone

Registration

Registrar
GoDaddy.com, LLC
Created
2023-05-30
Expires
2026-05-30 9 days left
Updated
2025-05-31
Name servers
  • ns13.domaincontrol.com
  • ns14.domaincontrol.com

DNS records live

NS
  • ns13.domaincontrol.com
  • ns14.domaincontrol.com
MX
  • 10 d312186a.ess.barracudanetworks.com
  • 20 d312186b.ess.barracudanetworks.com
TXT
  • NETORGFT13760620.onmicrosoft.com
  • v=verifydomain MS=1603909

Email authentication strong

SPF
v=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com included:one.zoho.com -all
strict (-all)
DMARC
v=DMARC1; p=quarantine
policy: quarantine
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAus4eI/z6aR3Ectafa+j3MD3VjO2Jk4W7Uale5rQMYhypoDpLhZnePQGYeTUXCcDp+Ax4+lK0vEAeOr…
selectors probed

Certificate (current)

R12
from 2026-05-05 to 2026-08-03
Expires in 75 days

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.natfiltsupply.com/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
findings
  • missing Content Security Policy
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
strict-transport-security
max-age=15552000

Links to (3)

Linked from (1)