indexo.dev

sdi.org

.org crawl

First seen 2026-04-19 · Last seen 2026-05-10 · ok HTTP/1.1 200 3119 ms crawled 2026-05-13

US · 141.193.213.11 · AS209242 Cloudflare London, LLC

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Steel Deck Institute
Description
The SDI was formed to bring uniformity to the design, manufacture, quality control and construction practices applicable to cold-formed steel decking.
Language
en-US
Generator
Elementor 3.35.7; features: additional_custom_breakpoints; settings: css_print_method-external, google_font-enabled, font_display-swap
Canonical
https://sdi.org/
Feeds

Open Graph

url
https://sdi.org/
title
Steel Deck Institute
locale
en_US
site name
Steel Deck Institute
description
The SDI was formed to bring uniformity to the design, manufacture, quality control and construction practices applicable to cold-formed steel decking.

Technology

CDN
Cloudflare
CMS
WordPress
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • fonts.googleapis.com×4
  • stats.wp.com×3
  • www.googletagmanager.com×2
  • gmpg.org×1

Social

Registration

Registrar
Network Solutions, LLC
Created
1995-09-08
Expires
2026-09-07 109 days left
Updated
2023-07-14
Name servers
  • ns91.worldnic.com
  • ns92.worldnic.com

DNS records live

NS
  • ns91.worldnic.com
  • ns92.worldnic.com
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
Verified for
  • Brevo

Email authentication partial

SPF
v=spf1 include:_spf.google.com include:spf.sendinblue.com mx ~all
softfail (~all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAo4w5LaF50qv2NrohaP7+k7A56SE8QRoDr3RxKVYMuasCl1ydERmAAGaqdowVDGCBMbg1z/fL7IYkXv…
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
  • mail: k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z…
selectors probed

Certificate (current)

E8
from 2026-04-30 to 2026-07-29
Expires in 70 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://sdi.org/

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)