B-
Colorado (CO) — Government Security
3,875
Government organizations
1,291
With tracked websites
33%
Website coverage
B-
Overall security grade
Security Report Card
Web Security
151%
Valid SSL/TLS
109%
HTTPS Redirect
69%
HSTS Enabled
139%
Certificate Valid
1%
CAA Record
72%
X-Frame-Options
78%
X-Content-Type
0%
security.txt
Email Security
77%
SPF Configured
67%
DKIM Signing
43%
DMARC Enforced
0%
MTA-STS
1%
TLS-RPT
DNS & Infrastructure
5%
DNSSEC
11%
IPv6 Support
144%
RPKI Valid
Governments in Colorado
| Name | Type | Primary Domain | Security Checks |
|---|---|---|---|
| County Of El Paso | County | elpasoco.com | D+Web Security3/8 Web Security ✓ SSL/TLS ✓ HTTPS ✗ HSTS ✓ Cert ✗ CAA ✗ X-Frame ✗ X-Content ✗ sec.txt C-Email Security2/5 Email Security ✗ SPF ✓ DKIM ✓ DMARC ✗ MTA-STS ✗ TLS-RPT D+DNS & Infrastructure1/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✓ RPKI |
| City And County Of Denver | Municipal | denvergov.org | D+Web Security3/8 Web Security ✓ SSL/TLS ✗ HTTPS ✗ HSTS ✓ Cert ✓ CAA ✗ X-Frame ✗ X-Content ✗ sec.txt C-Email Security2/5 Email Security ✗ SPF ✓ DKIM ✓ DMARC ✗ MTA-STS ✗ TLS-RPT FDNS & Infrastructure0/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✗ RPKI |
| County Of Arapahoe | County | arapahoeco.gov | B-Web Security5/8 Web Security ✓ SSL/TLS ✓ HTTPS ✗ HSTS ✓ Cert ✗ CAA ✓ X-Frame ✓ X-Content ✗ sec.txt C-Email Security2/5 Email Security ✗ SPF ✓ DKIM ✓ DMARC ✗ MTA-STS ✗ TLS-RPT D+DNS & Infrastructure1/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✓ RPKI |
| County Of Jefferson | County | jeffco.us | CWeb Security4/8 Web Security ✓ SSL/TLS ✓ HTTPS ✓ HSTS ✓ Cert ✗ CAA ✗ X-Frame ✗ X-Content ✗ sec.txt C-Email Security2/5 Email Security ✓ SPF ✗ DKIM ✓ DMARC ✗ MTA-STS ✗ TLS-RPT D+DNS & Infrastructure1/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✓ RPKI |
| County Of Adams | County | adamscountyco.gov | D+Web Security3/8 Web Security ✓ SSL/TLS ✓ HTTPS ✗ HSTS ✓ Cert ✗ CAA ✗ X-Frame ✗ X-Content ✗ sec.txt B-Email Security3/5 Email Security ✓ SPF ✓ DKIM ✓ DMARC ✗ MTA-STS ✗ TLS-RPT B-DNS & Infrastructure2/3 DNS & Infrastructure ✗ DNSSEC ✓ IPv6 ✓ RPKI |
| City Of Colorado Springs | Municipal | springsgov.com | D-Web Security2/8 Web Security ✓ SSL/TLS ✗ HTTPS ✗ HSTS ✓ Cert ✗ CAA ✗ X-Frame ✗ X-Content ✗ sec.txt D-Email Security1/5 Email Security ✗ SPF ✗ DKIM ✓ DMARC ✗ MTA-STS ✗ TLS-RPT D+DNS & Infrastructure1/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✓ RPKI |
| City Of Aurora | Municipal | auroragov.org | D+Web Security3/8 Web Security ✓ SSL/TLS ✗ HTTPS ✗ HSTS ✓ Cert ✗ CAA ✓ X-Frame ✗ X-Content ✗ sec.txt C-Email Security2/5 Email Security ✗ SPF ✓ DKIM ✓ DMARC ✗ MTA-STS ✗ TLS-RPT D+DNS & Infrastructure1/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✓ RPKI |
| County Of Douglas | County | douglasco.gov | B-Web Security5/8 Web Security ✓ SSL/TLS ✓ HTTPS ✓ HSTS ✓ Cert ✗ CAA ✗ X-Frame ✓ X-Content ✗ sec.txt B-Email Security3/5 Email Security ✓ SPF ✓ DKIM ✓ DMARC ✗ MTA-STS ✗ TLS-RPT A+DNS & Infrastructure3/3 DNS & Infrastructure ✓ DNSSEC ✓ IPv6 ✓ RPKI |
| County Of Larimer | County | larimer.gov | B+Web Security6/8 Web Security ✓ SSL/TLS ✓ HTTPS ✓ HSTS ✓ Cert ✗ CAA ✓ X-Frame ✓ X-Content ✗ sec.txt D-Email Security1/5 Email Security ✗ SPF ✓ DKIM ✗ DMARC ✗ MTA-STS ✗ TLS-RPT B-DNS & Infrastructure2/3 DNS & Infrastructure ✗ DNSSEC ✓ IPv6 ✓ RPKI |
| County Of Weld | County | co.weld.co.us | FWeb Security0/8 Web Security ✗ SSL/TLS ✗ HTTPS ✗ HSTS ✗ Cert ✗ CAA ✗ X-Frame ✗ X-Content ✗ sec.txt B-Email Security3/5 Email Security ✓ SPF ✓ DKIM ✓ DMARC ✗ MTA-STS ✗ TLS-RPT FDNS & Infrastructure0/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✗ RPKI |
| County Of Boulder | County | bouldercounty.gov | D+Web Security3/8 Web Security ✓ SSL/TLS ✓ HTTPS ✗ HSTS ✓ Cert ✗ CAA ✗ X-Frame ✗ X-Content ✗ sec.txt C-Email Security2/5 Email Security ✗ SPF ✓ DKIM ✓ DMARC ✗ MTA-STS ✗ TLS-RPT D+DNS & Infrastructure1/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✓ RPKI |
| City Of Fort Collins | Municipal | fortcollins.gov | B+Web Security6/8 Web Security ✓ SSL/TLS ✓ HTTPS ✓ HSTS ✓ Cert ✗ CAA ✓ X-Frame ✓ X-Content ✗ sec.txt D-Email Security1/5 Email Security ✗ SPF ✗ DKIM ✓ DMARC ✗ MTA-STS ✗ TLS-RPT D+DNS & Infrastructure1/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✓ RPKI |
| County Of Pueblo | County | county.pueblo.org | B+Web Security6/8 Web Security ✓ SSL/TLS ✓ HTTPS ✓ HSTS ✓ Cert ✗ CAA ✓ X-Frame ✓ X-Content ✗ sec.txt FEmail Security0/5 Email Security ✗ SPF ✗ DKIM ✗ DMARC ✗ MTA-STS ✗ TLS-RPT B-DNS & Infrastructure2/3 DNS & Infrastructure ✗ DNSSEC ✓ IPv6 ✓ RPKI |
| County Of Mesa | County | mesacounty.us | B+Web Security6/8 Web Security ✓ SSL/TLS ✓ HTTPS ✓ HSTS ✓ Cert ✗ CAA ✓ X-Frame ✓ X-Content ✗ sec.txt C-Email Security2/5 Email Security ✗ SPF ✓ DKIM ✓ DMARC ✗ MTA-STS ✗ TLS-RPT D+DNS & Infrastructure1/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✓ RPKI |
| City Of Lakewood | Municipal | lakewoodco.gov | D-Web Security2/8 Web Security ✓ SSL/TLS ✗ HTTPS ✗ HSTS ✓ Cert ✗ CAA ✗ X-Frame ✗ X-Content ✗ sec.txt C-Email Security2/5 Email Security ✗ SPF ✓ DKIM ✓ DMARC ✗ MTA-STS ✗ TLS-RPT B-DNS & Infrastructure2/3 DNS & Infrastructure ✓ DNSSEC ✗ IPv6 ✓ RPKI |
| City Of Thornton | Municipal | thorntonco.gov | FWeb Security1/8 Web Security ✓ SSL/TLS ✗ HTTPS ✗ HSTS ✗ Cert ✗ CAA ✗ X-Frame ✗ X-Content ✗ sec.txt C-Email Security2/5 Email Security ✗ SPF ✓ DKIM ✓ DMARC ✗ MTA-STS ✗ TLS-RPT D+DNS & Infrastructure1/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✓ RPKI |
| City Of Arvada | Municipal | avvada.org | — |
| City Of Westminster | Municipal | cityofwestminster.us | D-Web Security2/8 Web Security ✓ SSL/TLS ✗ HTTPS ✗ HSTS ✓ Cert ✗ CAA ✗ X-Frame ✗ X-Content ✗ sec.txt B-Email Security3/5 Email Security ✓ SPF ✓ DKIM ✓ DMARC ✗ MTA-STS ✗ TLS-RPT FDNS & Infrastructure0/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✗ RPKI |
| City Of Greeley | Municipal | greeleyco.gov | CWeb Security4/8 Web Security ✓ SSL/TLS ✓ HTTPS ✓ HSTS ✓ Cert ✗ CAA ✗ X-Frame ✗ X-Content ✗ sec.txt FEmail Security0/5 Email Security ✗ SPF ✗ DKIM ✗ DMARC ✗ MTA-STS ✗ TLS-RPT D+DNS & Infrastructure1/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✓ RPKI |
| City Of Pueblo | Municipal | ci.pueblo.co.us | — |
| City Of Centennial | Municipal | centennialco.gov | B+Web Security6/8 Web Security ✓ SSL/TLS ✓ HTTPS ✓ HSTS ✓ Cert ✗ CAA ✓ X-Frame ✓ X-Content ✗ sec.txt C-Email Security2/5 Email Security ✗ SPF ✓ DKIM ✓ DMARC ✗ MTA-STS ✗ TLS-RPT D+DNS & Infrastructure1/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✓ RPKI |
| City Of Boulder | Municipal | bouldercolorado.gov | CWeb Security4/8 Web Security ✓ SSL/TLS ✗ HTTPS ✓ HSTS ✓ Cert ✓ CAA ✗ X-Frame ✗ X-Content ✗ sec.txt C-Email Security2/5 Email Security ✗ SPF ✓ DKIM ✓ DMARC ✗ MTA-STS ✗ TLS-RPT A+DNS & Infrastructure3/3 DNS & Infrastructure ✓ DNSSEC ✓ IPv6 ✓ RPKI |
| City Of Longmont | Municipal | ci.longmont.co.us | FWeb Security0/8 Web Security ✗ SSL/TLS ✗ HTTPS ✗ HSTS ✗ Cert ✗ CAA ✗ X-Frame ✗ X-Content ✗ sec.txt C-Email Security2/5 Email Security ✗ SPF ✓ DKIM ✓ DMARC ✗ MTA-STS ✗ TLS-RPT FDNS & Infrastructure0/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✗ RPKI |
| Town Of Castle Rock | Municipal | crgov.com | B-Web Security5/8 Web Security ✓ SSL/TLS ✓ HTTPS ✗ HSTS ✓ Cert ✗ CAA ✓ X-Frame ✓ X-Content ✗ sec.txt FEmail Security0/5 Email Security ✗ SPF ✗ DKIM ✗ DMARC ✗ MTA-STS ✗ TLS-RPT D+DNS & Infrastructure1/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✓ RPKI |
| City Of Loveland | Municipal | — | — |
| City And County Of Broomfield | Municipal | broomfield.org | B-Web Security5/8 Web Security ✓ SSL/TLS ✓ HTTPS ✗ HSTS ✓ Cert ✗ CAA ✓ X-Frame ✓ X-Content ✗ sec.txt D-Email Security1/5 Email Security ✗ SPF ✓ DKIM ✗ DMARC ✗ MTA-STS ✗ TLS-RPT D+DNS & Infrastructure1/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✓ RPKI |
| City Of Grand Junction | Municipal | gjcity.org | FWeb Security0/8 Web Security ✗ SSL/TLS ✗ HTTPS ✗ HSTS ✗ Cert ✗ CAA ✗ X-Frame ✗ X-Content ✗ sec.txt C-Email Security2/5 Email Security ✗ SPF ✓ DKIM ✓ DMARC ✗ MTA-STS ✗ TLS-RPT D+DNS & Infrastructure1/3 DNS & Infrastructure ✓ DNSSEC ✗ IPv6 ✗ RPKI |
| City Of Commerce City | Municipal | c3gov.com | B+Web Security6/8 Web Security ✓ SSL/TLS ✓ HTTPS ✓ HSTS ✓ Cert ✗ CAA ✓ X-Frame ✓ X-Content ✗ sec.txt B-Email Security3/5 Email Security ✓ SPF ✓ DKIM ✓ DMARC ✗ MTA-STS ✗ TLS-RPT D+DNS & Infrastructure1/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✓ RPKI |
| Town Of Parker | Municipal | parkerco.gov | B-Web Security5/8 Web Security ✓ SSL/TLS ✓ HTTPS ✗ HSTS ✓ Cert ✗ CAA ✓ X-Frame ✓ X-Content ✗ sec.txt C-Email Security2/5 Email Security ✗ SPF ✓ DKIM ✓ DMARC ✗ MTA-STS ✗ TLS-RPT B-DNS & Infrastructure2/3 DNS & Infrastructure ✓ DNSSEC ✗ IPv6 ✓ RPKI |
| County Of Garfield | County | garfieldcountyco.gov | D+Web Security3/8 Web Security ✓ SSL/TLS ✗ HTTPS ✓ HSTS ✓ Cert ✗ CAA ✗ X-Frame ✗ X-Content ✗ sec.txt C-Email Security2/5 Email Security ✓ SPF ✓ DKIM ✗ DMARC ✗ MTA-STS ✗ TLS-RPT D+DNS & Infrastructure1/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✓ RPKI |
| County Of La Plata | County | co.laplata.co.us | — |
| County Of Eagle | County | eaglecounty.us | FWeb Security1/8 Web Security ✓ SSL/TLS ✗ HTTPS ✗ HSTS ✗ Cert ✗ CAA ✗ X-Frame ✗ X-Content ✗ sec.txt C-Email Security2/5 Email Security ✗ SPF ✓ DKIM ✓ DMARC ✗ MTA-STS ✗ TLS-RPT D+DNS & Infrastructure1/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✓ RPKI |
| County Of Fremont | County | fremontcountyco.gov | B+Web Security6/8 Web Security ✓ SSL/TLS ✓ HTTPS ✓ HSTS ✓ Cert ✗ CAA ✓ X-Frame ✓ X-Content ✗ sec.txt D-Email Security1/5 Email Security ✗ SPF ✗ DKIM ✓ DMARC ✗ MTA-STS ✗ TLS-RPT D+DNS & Infrastructure1/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✓ RPKI |
| City Of Littleton | Municipal | littletonco.gov | B+Web Security6/8 Web Security ✓ SSL/TLS ✓ HTTPS ✓ HSTS ✓ Cert ✗ CAA ✓ X-Frame ✓ X-Content ✗ sec.txt B-Email Security3/5 Email Security ✓ SPF ✓ DKIM ✓ DMARC ✗ MTA-STS ✗ TLS-RPT D+DNS & Infrastructure1/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✓ RPKI |
| County Of Montrose | County | montrosecounty.net | B-Web Security5/8 Web Security ✓ SSL/TLS ✓ HTTPS ✗ HSTS ✓ Cert ✗ CAA ✓ X-Frame ✓ X-Content ✗ sec.txt FEmail Security0/5 Email Security ✗ SPF ✗ DKIM ✗ DMARC ✗ MTA-STS ✗ TLS-RPT D+DNS & Infrastructure1/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✓ RPKI |
| City Of Brighton | Municipal | brightonco.gov | CWeb Security4/8 Web Security ✓ SSL/TLS ✗ HTTPS ✗ HSTS ✓ Cert ✗ CAA ✓ X-Frame ✓ X-Content ✗ sec.txt B-Email Security3/5 Email Security ✓ SPF ✓ DKIM ✓ DMARC ✗ MTA-STS ✗ TLS-RPT D+DNS & Infrastructure1/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✓ RPKI |
| Town Of Windsor | Municipal | windsorco.gov | B-Web Security5/8 Web Security ✓ SSL/TLS ✓ HTTPS ✗ HSTS ✓ Cert ✗ CAA ✓ X-Frame ✓ X-Content ✗ sec.txt FEmail Security0/5 Email Security ✗ SPF ✗ DKIM ✗ DMARC ✗ MTA-STS ✗ TLS-RPT D+DNS & Infrastructure1/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✓ RPKI |
| City Of Northglenn | Municipal | northlgleon.org | — |
| Town Of Erie | Municipal | erieco.gov | B-Web Security5/8 Web Security ✓ SSL/TLS ✓ HTTPS ✗ HSTS ✓ Cert ✗ CAA ✓ X-Frame ✓ X-Content ✗ sec.txt D-Email Security1/5 Email Security ✗ SPF ✓ DKIM ✗ DMARC ✗ MTA-STS ✗ TLS-RPT D+DNS & Infrastructure1/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✓ RPKI |
| City Of Englewood | Municipal | englewoodco.gov | D-Web Security2/8 Web Security ✓ SSL/TLS ✗ HTTPS ✗ HSTS ✓ Cert ✗ CAA ✗ X-Frame ✗ X-Content ✗ sec.txt D-Email Security1/5 Email Security ✗ SPF ✓ DKIM ✗ DMARC ✗ MTA-STS ✗ TLS-RPT B-DNS & Infrastructure2/3 DNS & Infrastructure ✗ DNSSEC ✓ IPv6 ✓ RPKI |
| City Of Wheat Ridge | Municipal | ci.wheatridge.co.us | D-Web Security2/8 Web Security ✓ SSL/TLS ✗ HTTPS ✗ HSTS ✓ Cert ✗ CAA ✗ X-Frame ✗ X-Content ✗ sec.txt FEmail Security0/5 Email Security ✗ SPF ✗ DKIM ✗ DMARC ✗ MTA-STS ✗ TLS-RPT D+DNS & Infrastructure1/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✓ RPKI |
| County Of Delta | County | deltacountyco.gov | B-Web Security5/8 Web Security ✓ SSL/TLS ✓ HTTPS ✗ HSTS ✓ Cert ✗ CAA ✓ X-Frame ✓ X-Content ✗ sec.txt C-Email Security2/5 Email Security ✗ SPF ✓ DKIM ✓ DMARC ✗ MTA-STS ✗ TLS-RPT D+DNS & Infrastructure1/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✓ RPKI |
| County Of Summit | County | summitcountyco.gov | FWeb Security1/8 Web Security ✓ SSL/TLS ✗ HTTPS ✗ HSTS ✗ Cert ✗ CAA ✗ X-Frame ✗ X-Content ✗ sec.txt D-Email Security1/5 Email Security ✗ SPF ✓ DKIM ✗ DMARC ✗ MTA-STS ✗ TLS-RPT B-DNS & Infrastructure2/3 DNS & Infrastructure ✗ DNSSEC ✓ IPv6 ✓ RPKI |
| City Of Lafayette | Municipal | lafayetteco.gov | CWeb Security4/8 Web Security ✓ SSL/TLS ✗ HTTPS ✗ HSTS ✓ Cert ✗ CAA ✓ X-Frame ✓ X-Content ✗ sec.txt C-Email Security2/5 Email Security ✗ SPF ✓ DKIM ✓ DMARC ✗ MTA-STS ✗ TLS-RPT D+DNS & Infrastructure1/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✓ RPKI |
| County Of Morgan | County | — | — |
| County Of Elbert | County | — | — |
| City Of Fountain | Municipal | fountain.colorado.gov | D+Web Security3/8 Web Security ✓ SSL/TLS ✓ HTTPS ✗ HSTS ✓ Cert ✗ CAA ✗ X-Frame ✗ X-Content ✗ sec.txt FEmail Security0/5 Email Security ✗ SPF ✗ DKIM ✗ DMARC ✗ MTA-STS ✗ TLS-RPT D+DNS & Infrastructure1/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✓ RPKI |
| County Of Montezuma | County | co.montezuma.co.us | FWeb Security0/8 Web Security ✗ SSL/TLS ✗ HTTPS ✗ HSTS ✗ Cert ✗ CAA ✗ X-Frame ✗ X-Content ✗ sec.txt C-Email Security2/5 Email Security ✓ SPF ✗ DKIM ✓ DMARC ✗ MTA-STS ✗ TLS-RPT FDNS & Infrastructure0/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✗ RPKI |
| County Of Routt | County | co.routt.co.us | B-Web Security5/8 Web Security ✓ SSL/TLS ✓ HTTPS ✗ HSTS ✓ Cert ✗ CAA ✓ X-Frame ✓ X-Content ✗ sec.txt C-Email Security2/5 Email Security ✗ SPF ✓ DKIM ✓ DMARC ✗ MTA-STS ✗ TLS-RPT D+DNS & Infrastructure1/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✓ RPKI |
| County Of Teller | County | tellercounty.gov | B-Web Security5/8 Web Security ✓ SSL/TLS ✓ HTTPS ✗ HSTS ✓ Cert ✗ CAA ✓ X-Frame ✓ X-Content ✗ sec.txt C-Email Security2/5 Email Security ✓ SPF ✓ DKIM ✗ DMARC ✗ MTA-STS ✗ TLS-RPT D+DNS & Infrastructure1/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✓ RPKI |
Colorado by the Numbers
Colorado has 3,875 government organizations, but only 1,291 (33%) have trackable websites. That means 2,584 government bodies have no online presence we can monitor for security.
Check a Colorado Government Website Help a Colorado Agency Improve
Share Colorado's Security Status
Think your neighbors should know how secure (or insecure) your local government websites are? Share this page in your community Facebook group, send it to your local newspaper, or tag your elected officials on social media. Sample post:
"Did you know Colorado government websites earned a B- grade for online security? Only 33% of our 3,875 government organizations even have trackable websites. Check your local government: https://yesgov.com/open-data/states/co"
Is your government missing or have incorrect information? Submit a domain, create an account to claim and manage a profile, or contact us directly.