.fl.us domains list

What is .fl.us TLD

Within the United States country-code space, .fl.us denotes Florida’s locality namespace used primarily by public-sector entities. While often described as a TLD in casual use, it actually sits under .us and typically hosts third‑level registrations (for example, agencies, counties, and school districts). In practice, .fl.us domains and .fl.us websites signal a verified geographic scope and a civic mission, helping residents distinguish official services from commercial lookalikes. We observe consistent use for administrative portals, public records, emergency management, and K‑12 communication. Governance and eligibility tend to require Florida affiliation and oversight by designated locality managers, which promotes uniform naming and accountability. Our crawls map infrastructure, DNS posture, and uptime across this namespace to support risk, compliance, and research. Explore webatla’s .fl.us domain datasets to benchmark Florida’s public web footprint.

History and key features of .fl.us TLD

Historically, the .us ccTLD dates to the mid‑1980s; locality-based subdomains such as state.xx.us matured during the 1990s as municipalities sought predictable addressing. Florida’s .fl.us space followed this model, enabling cities, counties, and educational districts to standardize online identities. Over time, some agencies adopted .gov, yet many .fl.us domains and .fl.us websites persist due to established email, procurement references, and citizen familiarity. Key characteristics include structured naming conventions, public‑interest eligibility, and technical parity with the parent .us zone, including modern DNS, IPv6, and optional DNSSEC when configured. Because administration can be distributed, implementation quality varies, making empirical measurement essential. We catalog authoritative name servers, certificate lifecycles, and historical resolvability to surface governance patterns and resilience. Review webatla’s .fl.us domain datasets for longitudinal trends and configuration baselines.

Why and who choose the .fl.us domain

Organizations choose .fl.us to foreground Florida jurisdiction, satisfy policy or funding requirements, and maintain legacy continuity across agencies and school systems. Typical registrants include state departments, county commissions, city halls, sheriff’s offices, utilities, libraries, and districts managing K‑12 communications; private firms face eligibility constraints. For audience targeting, .fl.us domains and .fl.us websites convey geographic relevance and authority while enabling consistent email namespaces across complex bureaucracies. From a risk perspective, the namespace’s predictability aids phishing detection and inventory control, but inherited dependencies mean configuration drift and shadow services require monitoring. We help teams quantify attack surface, certificate hygiene, and service reach so they can prioritize fixes and measure outcomes over time. Explore webatla’s .fl.us domain datasets to profile stakeholders and map operational exposure.