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|TLD type||Country code top-level domain|
|Registry||HM Domain Registry|
|Sponsor||HM Domain Registry|
|Intended use||Entities associated with Heard Island and McDonald Islands|
|Actual use||Gets some use, none of it related to Heard and McDonald Islands|
|Registry website||HM Domain Registry|
.hm is the Internet country code top-level domain (ccTLD) of the Heard and McDonald Islands, uninhabited islands in the southern Indian Ocean under the sovereign control of Australia. Although .hm gets a small amount of use, Australia uses the .aq domain (for Antarctica) for its sites related to the islands themselves. As a result, no .hm website is related to the location.
The .hm registry was added in July 1997 by Edward Sweeney, who made its registration system accessible on registry.hm. By 2019, the .hm TLD had stopped working, and .hm websites started to go dark. Journalists looking into the matter said acquaintances in the industry had not seen Edward Sweeney, who was still in charge of the .hm registry, since 2000. He later resurfaced, claiming he was still managing the registry, and had run into technical issues.
Domain registration is directly at the second level, and is managed by the HM Domain Registry. Any entity can register an .hm domain.
- Kieren McCarthy (6 February 2019). "Things that make you go .hm... Has a piece of the internet just sunk into the ocean? It appears so". Theregister.co.uk. Retrieved 22 December 2019.