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Open Data · IA · Municipal

City Of Thornton

thorntoniowa.com

Population393

TypeMunicipal

ClassGeneral Purpose

CountyCerro Gordo

StateIA

Last scanMar 11, 2026 2:03 AM UTC

F

Overall posture

Critical — 0 of 16 controls passing

Generated from the latest scan of thorntoniowa.com. Detailed findings are listed below.

Web Security · F · 0 of 8 passing thorntoniowa.com

×

SSL/TLS

Not implemented — review the linked guide for fix steps.

CHECK

×

HTTPS

Not implemented — review the linked guide for fix steps.

CHECK

×

HSTS

Not implemented — review the linked guide for fix steps.

CHECK

×

Cert

Not implemented — review the linked guide for fix steps.

CHECK

×

CAA

Not implemented — review the linked guide for fix steps.

CHECK

×

X-Frame

Not implemented — review the linked guide for fix steps.

CHECK

×

X-Content

Not implemented — review the linked guide for fix steps.

CHECK

×

sec.txt

Not implemented — review the linked guide for fix steps.

CHECK

Email Security · F · 0 of 5 passing thorntoniowa.com

×

SPF

Not implemented — review the linked guide for fix steps.

CHECK

×

DKIM

Not implemented — review the linked guide for fix steps.

CHECK

×

DMARC

Not implemented — review the linked guide for fix steps.

CHECK

×

MTA-STS

Not implemented — review the linked guide for fix steps.

CHECK

×

TLS-RPT

Not implemented — review the linked guide for fix steps.

CHECK

DNS & Infrastructure · F · 0 of 3 passing thorntoniowa.com

×

DNSSEC

Not implemented — review the linked guide for fix steps.

CHECK

×

IPv6

Not implemented — review the linked guide for fix steps.

CHECK

×

RPKI

Not implemented — review the linked guide for fix steps.

CHECK

Share City Of Thornton’s security grade

City Of Thornton earned a F security grade. Significant gaps put residents’ data and the agency’s budget at risk.

Help this agency improve Why security grades matter

Methodology

Each control is checked against published CISA, NIST, and DHS guidance. No authentication, no scraping — only what any internet host can observe.

Read the full methodology →

Scan details

Scan IDfe8ad076-dea

Last scanMar 11, 2026 2:03 AM UTC

Checks run16

Cadence~24h

Download this record

Full report/check/… Re-scan nowdomain-checker

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Every issue above is fixable in a 4–8 week migration. We file the .gov, rebuild on hardened hosting, and hand you a binder for the next audit.

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