kirbybuildingsystems.com

HTML metadata

Title

Leading Metal Building Manufacturer | Kirby Building Systems

Description

Industry-leading manufacturer of high-quality, cost-effective metal building systems. Our metal building experts are ready to assist you in achieving the optimal solution

Language

en-US

Generator

Powered by Slider Revolution 6.7.36 - responsive, Mobile-Friendly Slider Plugin for WordPress with comfortable drag and drop interface.

Canonical

https://www.kirbybuildingsystems.com/

Feeds

Open Graph

url: https://www.kirbybuildingsystems.com/
title: Leading Metal Building Manufacturer | Kirby Building Systems
locale: en_US
site name: Kirby Building Systems
description: Industry-leading manufacturer of high-quality, cost-effective metal building systems. Our metal building experts are ready to assist you in achieving the optimal solution

Technology

CDN: Cloudflare
CMS: WordPress

Analytics

Google Tag Manager

Fonts

Font Awesome
Google Fonts

Third-party hosts loaded (6)

fonts.googleapis.com×6
cdn-cookieyes.com×1
fonts.gstatic.com×1
gmpg.org×1
use.fontawesome.com×1
www.googletagmanager.com×1

Social

Contact

Phone

615-325-4165

Registration

Registrar

Network Solutions, LLC

Created

2001-02-06

Expires

2031-02-06 1723 days left

Updated

2025-12-08

Name servers

ns11.constellix.com
ns21.constellix.com
ns31.constellix.com
ns41.constellix.net
ns51.constellix.net
ns61.constellix.net

DNS records live

NS

ns11.constellix.com
ns21.constellix.com
ns31.constellix.com
ns41.constellix.net
ns51.constellix.net
ns61.constellix.net

MX

0 kirbybuildingsystems-com.mail.protection.outlook.com

TXT

Show 7 TXT records

apple-domain-verification=LVRrJhP4p2ht5GRV
Foxit-domain-verification=1dd9a25769b7dea5cf34e6639708e4de
openai-domain-verification=dv-PIuciDrqPSObUYm4utMRmHqu
anthropic-domain-verification-jjtdky=QB4H6v22eN8bMVdpAN5ShAdSf
2782-91BA-8F36-E01C-9F1F-03FC-E855-4801
MS=ms73395854
WiR29VvATmMIn3Dkj9ABjmv3CnDAwHTjx0dX8dvtiwaBQ+v3vHtzO4SbaleQkfOopsBpJ2Ld5sYcKNUrrvhu+g==

Email authentication strong

SPF

v=spf1 include:spf.protection.outlook.com ip4:128.136.42.208 ~all

softfail (~all)

DMARC

v=DMARC1; p=reject; fo=1;

policy: reject (enforced)

DKIM

selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqSpalC9EQw/HeNJwbL/RwtaRabimKfeHTEg/wX4AsPqTCnwLhOEMQBmHrs8/XyZtEKiRB8cikkwi9D…
k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…

selectors probed

Certificate (current)

E8

from 2026-03-25 to 2026-06-23

Expires in 34 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 95/100 Checked live page: https://www.kirbybuildingsystems.com/

present

strict-transport-security
content-security-policy
x-frame-options
x-content-type-options
referrer-policy
permissions-policy

findings

CSP uses wildcard sources

Header values

referrer-policy: no-referrer-when-downgrade
x-frame-options: SAMEORIGIN
permissions-policy: geolocation=(self "https://www.kirbybuildingsystems.com"), microphone=()
x-content-type-options: nosniff
content-security-policy: upgrade-insecure-requests; frame-ancestors https://app.americanbuildings.com https://app.cbcsteelbuildings.com https://app.kirbybuildingsystems.com https://app.nucorbuildingsystems.com https://www.americanbuildings.com https://www.cbcsteelbuildings.com https://www.kirbybuildingsystems.com https://www.nucorbuildingsystems.com https://www.nucorbuildingsgroup.com https://kbstoolbox.revhub.io https://toolbox.kirbybuildingsystems.com https://toolbox.cbcsteelbuildings.com https://toolbox.americanbuildings.com https://toolbox.nucorbuildingsystems.com https://www.energycodes.gov https://localhost:* http://localhost:* https://nbstoolbox.netlify.app https://builderconnectapp.com;
strict-transport-security: max-age=63072000; includeSubDomains; preload

Links to (4)

Linked from (2)

nucor.com×1
focus-db.com×1