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
123%
HTTPS Redirect
71%
HSTS Enabled
150%
Certificate Valid
2%
CAA Record
83%
X-Frame-Options
89%
X-Content-Type
0%
security.txt
Email Security
76%
SPF Configured
68%
DKIM Signing
44%
DMARC Enforced
0%
MTA-STS
1%
TLS-RPT
DNS & Infrastructure
6%
DNSSEC
11%
IPv6 Support
145%
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 | AWeb Security7/8 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 | 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 |
| 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 | 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 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 | 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 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 D+DNS & Infrastructure1/3 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 | AWeb Security7/8 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 | 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 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 | 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 D+DNS & Infrastructure1/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✓ RPKI |
| Town Of Windsor | Municipal | windsorco.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 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 | 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 |
| 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 | 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 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
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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.