indexo.dev

21stsoft.com

.com crawl

First seen 2026-05-01 · Last seen 2026-05-08 · ok HTTP/1.1 200 829 ms crawled 2026-05-08

US · 34.174.76.173 · AS396982 Google LLC

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Local SEO Web Design Company Denver | 21stsoft.com
Description
21st maximizes your online presence with local SEO marketing. Founded in Denver, Colorado 1993 with an A+ BBB rating we elevate sales and lead generation.
Language
en-US
Canonical
https://21stsoft.com/
Feeds

Open Graph

url
https://21stsoft.com/
title
Local SEO Web Design Company Denver | 21stsoft.com
locale
en_US
site name
21st Century Technologies, Inc.
description
21st maximizes your online presence with local SEO marketing. Founded in Denver, Colorado 1993 with an A+ BBB rating we elevate sales and lead generation.

Technology

Server
nginx
CMS
WordPress
Analytics
  • Google Tag Manager
  • Statcounter
Fonts
  • Google Fonts
Third-party hosts loaded (7)
  • fonts.googleapis.com×2
  • c.statcounter.com×1
  • feeds.feedburner.com×1
  • www.apex.live×1
  • www.facebook.com×1
  • www.googletagmanager.com×1
  • www.statcounter.com×1

Contact

Phone
Address
st Century Technologies, Inc.1566

Registration

Registrar
GoDaddy.com, LLC
Created
1996-06-19
Expires
2026-06-18 29 days left
Updated
2025-06-18
Name servers
  • ns1.us185.siteground.us
  • ns2.us185.siteground.us

DNS records live

NS
  • ns1.siteground.net
  • ns2.siteground.net
MX
  • 10 mx10.antispam.mailspamprotection.com
  • 20 mx20.antispam.mailspamprotection.com
  • 30 mx30.antispam.mailspamprotection.com

Email authentication partial

SPF
v=spf1 +a +mx +ip4:34.174.18.48 include:21stsoft.com.spf.auto.dnssmarthost.net ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:michaelc@21stsoft.commichaelc@21stsoft.com:postmaster@21stsoft.com
policy: none (monitoring only)
DKIM
  • default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1iPN4sowYsYCJBWEneIIa+xi5/QRk7ii1H4S8x6kouE6hsP65flSY7YHt9uy95Oa8bPHXRgMTZMYdi…
selectors probed

Certificate (current)

R12
from 2026-03-26 to 2026-06-24
Expires in 35 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://21stsoft.com/

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

Links to (3)

Linked from (1)