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

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

NameTypePrimary DomainSecurity 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.

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? Contact us or create an account to claim and manage your government profile.