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
152%
Valid SSL/TLS
133%
HTTPS Redirect
81%
HSTS Enabled
151%
Certificate Valid
2%
CAA Record
74%
X-Frame-Options
98%
X-Content-Type
0%
security.txt
Email Security
76%
SPF Configured
67%
DKIM Signing
37%
DMARC Enforced
0%
MTA-STS
1%
TLS-RPT
DNS & Infrastructure
5%
DNSSEC
10%
IPv6 Support
133%
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 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 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 | douglas.co.us | 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 B-DNS & Infrastructure2/3 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 | 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 |
| 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 | — |
| County Of Mesa | County | mesacounty.us | 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 Lakewood | Municipal | lakewoodco.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 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 B-Email Security3/5 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 | 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 | 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 Loveland | Municipal | — | — |
| City And County Of Broomfield | Municipal | broomfield.org | CWeb Security4/8 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 FDNS & Infrastructure0/3 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 | 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 Garfield | County | garfieldcountyco.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 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 | 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 FDNS & Infrastructure0/3 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 FDNS & Infrastructure0/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✗ RPKI |
| Town Of Windsor | Municipal | windsorgov.com | CWeb Security4/8 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 Northglenn | Municipal | northlgleon.org | — |
| Town Of Erie | Municipal | erieco.gov | CWeb Security4/8 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 FDNS & Infrastructure0/3 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 C-Email Security2/5 Email Security ✓ SPF ✓ DKIM ✗ DMARC ✗ MTA-STS ✗ TLS-RPT D+DNS & Infrastructure1/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✓ RPKI |
| City Of Wheat Ridge | Municipal | ci.wheatridge.co.us | 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 |
| County Of Delta | County | deltacountyco.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 FDNS & Infrastructure0/3 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 | 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 Morgan | County | — | — |
| County Of Elbert | County | — | — |
| City Of Fountain | Municipal | fountain.colorado.gov | — |
| 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 | 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 FDNS & Infrastructure0/3 DNS & Infrastructure ✗ DNSSEC ✗ IPv6 ✗ RPKI |
| County Of Teller | County | tellercounty.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 FDNS & Infrastructure0/3 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.
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"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"
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