[2025 Edition] Owning the Internet’s “Public Land Registry”: Exploring the Acquisition of *.city.state.us Locality Domains

In 2025, with the explosive spread of AI tools and the subscription-based nature of almost every digital asset, the maintenance cost of domains—the “face” of an engineer’s project—is a cost that cannot be ignored. While it has become common to spend tens of thousands of yen annually on .com, .io, and the ever-soaring .ai domains, there exists a kind of “sanctuary” that remains completely free and imbued with historical authority: Locality Domains (*.city.state.us).

In this article, we will thoroughly explain the technical value and acquisition process of this “ultimate hack,” which is both old and new, from the perspective of tech media. This is not merely a cost-saving tip. it is an intellectual adventure in hacking and owning a “public address” that has existed since the dawn of the internet.

1. What are Locality Domains? Why is Their Value Being Re-evaluated Now?

Locality Domains are part of the hierarchical structure of .us, the United States Country Code Top-Level Domain (ccTLD). They take a format that encompasses a city and a state name, such as my-project.san-francisco.ca.us.

This is akin to a “land registry” or “cadastre” for physical land. It stands in stark contrast to domains mechanically issued by centralized registrars; it represents the occupation of a “public address” carved into the vast landscape of the internet.

Tech Watch Perspective: Why is this so compelling right now? Because it is a remarkably pure piece of internet heritage that runs counter to the trend of "platformization and centralization." As of 2025, while many legacy systems are in the process of migrating to modern DNS management, the application process for these Locality Domains often still requires interaction with a "human (administrator)." This "inconvenience" is precisely why it remains the last sanctuary for us engineers—one that has not been devoured by automated bots.

2. Comparative Analysis: The Overwhelming Characteristics of Locality Domains

The following table summarizes how distinct locality domains are compared to typical commercial domains.

FeatureLocality Domains (.us)Typical .com / .netTrending .ai / .io
Acquisition Cost$0 (Free Forever)$10+ / year$70+ / year
ReliabilityAuthority via public hierarchyCommercial standardEmerging / Startup-oriented
Acquisition DifficultyHigh (Manual app/Review)Extremely lowLow
Technical RarityStatus among the geek eliteCommodityTrendy

The greatest advantage is that, once successfully acquired, no maintenance fees are generally incurred. On the other hand, it requires English communication skills and the patience to wait several weeks for registration to complete. This is very similar to the “Pull Request” process in modern engineering.

3. Implementation Roadmap: Technical Steps to Acquire a Locality Domain

Based on the guides proposed by Fred Chan and others, we have redefined the optimal process for 2025.

Step 1: Identify the State Administrator

First, you must identify the individual or entity with administrative authority over the desired state. This involves researching the contact information for each State Administrator via databases managed by Neustar (now Vantage). This is the first and most significant filter.

Step 2: Sending the Application Email (Dialogue as a Protocol)

There is no sophisticated UI like those found in modern web services. Here, the primitive protocol known as “email” rules. When applying, it is essential to state your relevance to the region, the public or technical purpose of the project, and, above all, accurate Name Server (NS) information. Having a stable DNS infrastructure ready, such as Cloudflare or AWS Route53, is the key to gaining the administrator’s trust.

Step 3: DNS Propagation and Acquiring the “Sanctuary”

Once administrative approval is granted, your record will be quietly etched into the .us zone file. The moment your subdomain propagates to DNS caches around the world, you will feel the tangible sensation of having officially inherited a piece of the massive network that is the internet.

4. Operational Considerations and “Pitfalls” in 2025

When operating this unique domain, it is necessary to correctly understand the following technical and regulatory constraints.

  1. Compliance with Nexus Requirements: Inherently, .us domains are intended for US residents or organizations. You need a legitimate reason based on the regulations, such as research purposes, a specific project, or the use of US-based infrastructure.
  2. Relationship with Administrators: Administrators do not necessarily guarantee a rapid response. They are the “gatekeepers” of the internet’s order, and sincere communication with respect is required.
  3. Mixing Legacy and Modern: In some administrative nodes, support for modern specifications like DNSSEC may be delayed. When integrating with a modern web stack, sufficient technical verification is necessary.

5. Conclusion: Engineers, Own a Piece of “Internet History”

Locality Domains are not just a free alternative. They are fragments of a “design philosophy” from an era when the internet was still pastoral, and the network was woven together through mutual trust and manual labor.

In an age where everything is abstracted and automated, there is a supreme pleasure for engineers who love the depths of technology to deliberately go through a gritty manual application process to secure a piece of history.

If you manage to obtain your own “historical address,” it will be a step toward opening a new horizon as an engineer. TechTrend Watch supports all explorers who dare to challenge the depths of the internet.


FAQ Section

  • Q: Is there any possibility for residents outside the US to acquire one? A: In principle, the US Nexus requirement must be met. However, scenarios exist where legitimate requirements can be satisfied, such as using server assets within the US or having a co-developer based in the US. Please scrutinize the latest regulations.
  • Q: Does it affect SEO performance? A: The domain’s authority itself will not be lower, but because the hierarchy is deep, strategic design is required for branding and the use of shortened URLs.
  • Q: What should I do if there is no reply from the administrator? A: It is common courtesy in this world to wait at least two weeks. When attempting to follow up, it is crucial not to lack respect.

This article is also available in Japanese.