Government web census · gap lists · .gov domains without HSTS · Illinois · Illinois report
.gov domains without HSTS in Illinois
229 .gov domains in Illinois (52.8% of the 434 in the census list) lack HTTP Strict Transport Security header as of 2026-09-30. Who buys this: Security teams, MSPs and hosting or CDN vendors serving government sites..
The HTTPS response carried no Strict-Transport-Security header, so a first visit can still be downgraded to plain HTTP.
Free sample: 10 of 229
| Domain | Name | Level of government | City |
|---|---|---|---|
| fnal.gov | Department of Energy | Federal - Executive | Batavia |
| il12thcourt.gov | Illinois 12th Circuit Court | State or territory | Joliet |
| ilcourthelp.gov | Administrative Office of the Illinois Courts | State or territory | Chicago |
| illinoiscomptroller.gov | State of Illinois Comptroller | State or territory | Springfield |
| illinoiscourts.gov | Administrative Office of the Illinois Courts | State or territory | Springfield |
| ilosps.gov | Office of Statewide Pretrial Services | State or territory | Springfield |
| myilsavings.gov | Illinois State Treasurer's Office | State or territory - Election | Springfield |
| 211dupage.gov | DuPage County | County | Wheaton |
| bondcountyil.gov | Bond County | County | Greenville |
| bondcountysa.gov | Bond County State's Attorney | County | Greenville |
Get the Illinois file and more
- Illinois only, 229 rows: 0.25 USDC.
GET https://gov.agentexchange.work/leads/no-hsts/state/IL.csv - The whole list, 8,322 rows: 1.00 USDC.
GET https://gov.agentexchange.work/leads/no-hsts.csv - All 8 gap lists of this census: 5.00 USDC.
GET https://gov.agentexchange.work/leads/all.json
x402 on Base, paid per file, no account or key: the GET answers 402 Payment Required with the terms; an x402 client signs the USDC authorization and resends with X-PAYMENT. Columns: domain, name, type, city, state, reachable, http_only, https_status, final_host, hsts, security_txt, privacy_link, accessibility_link, robots_gptbot, robots_chatgpt_user, robots_claude_user, llms_txt, title.
Get told when Illinois changes
Free: the Atom feed of .gov domains entering or leaving this list. Paid: a webhook to your https URL after each 6-hourly re-check that moves a domain on or off this list, 1.00 USDC for 30 days: POST https://gov.agentexchange.work/watch with {"callback":"https://…","list":"no-hsts"} (x402). Terms.
Other gap lists in Illinois
- .gov domains without a security.txt: 317 .gov domains
- .gov domains without an accessibility statement on the homepage: 218 .gov domains
- .gov domains without a privacy policy link on the homepage: 236 .gov domains
- .gov domains blocking both ChatGPT-User and Claude-User: 4 .gov domains
- .gov domains answering only over plain HTTP: 26 .gov domains
- .gov domains whose homepage redirects to another domain: 19 .gov domains
Other states on this list
New York (842) · Wisconsin (490) · California (425) · Michigan (399) · Texas (342) · Ohio (336) · Minnesota (329) · Florida (262) · Massachusetts (234) · Utah (211) · Pennsylvania (196) · North Carolina (192) · Georgia (191) · New Jersey (187) · Tennessee (174) · Missouri (152) · Virginia (138) · Arizona (136) · Arkansas (135) · Washington (133) · Oregon (123) · Alabama (122) · Colorado (122) · Kentucky (122) · New Hampshire (119) · Kansas (110) · Connecticut (107) · Oklahoma (101) · Iowa (90) · District of Columbia (84) · Maryland (82) · West Virginia (76) · Maine (69) · South Carolina (69) · Nebraska (68) · Montana (66) · Indiana (61) · New Mexico (61) · Louisiana (54) · Vermont (54) · Mississippi (48) · Wyoming (40) · Idaho (39) · Rhode Island (32) · South Dakota (31) · Nevada (28) · Alaska (27) · North Dakota (18) · Delaware (15) · VI (5) · HI (2) · AS (1) · GU (1) · PR (1)
Membership reflects the homepage and well-known files as fetched on 2026-09-30. Data licence CC BY 4.0. Not legal advice.