| Candidate (alphabetical by last name) | Status | Website | SSL Labs Server Test Link | Grade (5/27/15) |
| Skip Andrews | Declared | www.skipandrews2016.com | Link | B |
| Michael Bickelmeyer | Declared | www.michaelbickelmeyer.com | Link | Certificate name mismatch |
| Kerry Bowers | Declared | www.kerrybowers.com | Link | Certificate name mismatch |
| Dr. Ben Carson | Declared | www.bencarson.com | Link | A |
| Dale Christensen | Declared | www.dale2016.com | Link | B |
| Ted Cruz | Declared | www.tedcruz.org | Link | A+ |
| John Dummett, Jr. | Declared | www.dummett2016.com | Link | Certificate name mismatch |
| Mark Everson | Declared | markforamerica.com | Link | Certificate name mismatch |
| Carly Fiorina | Declared | carlyforamerica.com | Link | C |
| Chris Hill | Withdrawn | www.chrishillforpresident.com | ||
| Mike Huckabee | Declared | mikehuckabee.com | Link | B |
| Michael Kinlaw | Declared* | www.michaelkinlaw.com | ||
| George Pataki | Declared | www.georgepataki.com | Link | Unable to connect to server (6/1/15) |
| Rand Paul | Declared | www.randpaul.com | Link | A |
| Michael Petyo | Declared | www.petyoforpresident.com | Link | Certificate name mismatch |
| Marco Rubio | Declared | marcorubio.com | Link | |
| Brian Russell | Declared | www.russell2016.com | Link | Certificate name mismatch |
| Rick Santorum | Declared | www.ricksantorum.com | Link | No secure protocols supported / Certificate not valid for domain name |
2016 Democratic Presidential Candidates’ Website SSL Reports
2016 Third Party Presidential Candidates’ Website SSL Reports
Last updated 6/1/15
Sources: http://2016.republican-candidates.org/
http://blogs.cfr.org/lindsay/2015/05/29/campaign-2016-george-pataki-gop-presidential-candidate/
*Republican-Candidates.org lists Michael Kinlaw as a presidential candidate, however his website, Facebook account, and Twitter account reference “Kinlaw 2016 Michael Kinlaw for U.S. Senate Colorado”
SSL Labs SSL report version 1.18.1