indexo.dev

nucorbuildingsystems.com

.com crawl

First seen 2026-04-20 · Last seen 2026-05-18 · ok HTTP/1.1 200 1893 ms crawled 2026-05-13

US · 141.193.213.11 · AS209242 Cloudflare London, LLC

Reputation 100/100

Classifying

HTML metadata

Title
Steel Building Manufacturer | Nucor Building Systems
Description
Fully customized, technology driven building systems, that fit your unique needs: energy efficient, environmentally metal buildings.
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.nucorbuildingsystems.com/
Feeds

Open Graph

url
https://www.nucorbuildingsystems.com/
title
Steel Building Manufacturer | Nucor Building Systems
locale
en_US
site name
Nucor Building Systems
description
Fully customized, technology driven building systems, that fit your unique needs: energy efficient, environmentally metal buildings.

Technology

CDN
Cloudflare
CMS
WordPress
Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • fonts.googleapis.com×5
  • cdn-cookieyes.com×1
  • fonts.gstatic.com×1
  • gmpg.org×1

Social

Registration

Registrar
Network Solutions, LLC
Created
1999-10-22
Expires
2026-10-22 155 days left
Updated
2021-08-23
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 nucorbuildingsystems-com.mail.protection.outlook.com
TXT
Show 4 TXT records
  • apple-domain-verification=DTvrwplG159h3y2e
  • Foxit-domain-verification=1dd9a25769b7dea5cf34e6639708e4de
  • openai-domain-verification=dv-i0oMJj5gayNSIOvGag0qXVlS
  • MS=ms55779649

Email authentication strong

SPF
v=spf1 include:spf.protection.outlook.com ip4:128.136.42.208 ip4:128.136.46.135 ~all
softfail (~all)
DMARC
v=DMARC1; p=reject; fo=1;
policy: reject (enforced)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsk/tU0kCqRTM32tXnRMn5ZdyP+9PvJmsbPZ9f82SBX1dN3VQ7FWAxqsQxHCfgG5VdOJ0MsS88R3mVs…
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed

Certificate (current)

E8
from 2026-03-25 to 2026-06-24
Expires in 35 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 95/100 Checked live page: https://www.nucorbuildingsystems.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.nucorbuildingsystems.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://localhost:* http://localhost:* https://nbstoolbox.netlify.app https://builderconnectapp.com;
strict-transport-security
max-age=63072000; includeSubDomains; preload

Links to (3)

Linked from (2)