47 lines
1.5 KiB
Markdown
47 lines
1.5 KiB
Markdown
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# NNS
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NNS - Neo Name Service is a service that allows manage a domain name as a digital asset (NFT). It has an interface similar to `DNS` but has significant differences in its internal structure.
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## Entities:
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- Domain
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- Record
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- Owner
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- Committee
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### Domain
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Domain is string that satisfies the following requirements:
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- Length from 2 to 255 characters.
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- Root domain must start with a letter.
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- All other fragments must start and end with a letter or digit.
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Domain has owner, a registration period, and may optionally have records.
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A fee established by the committee is charged upon domain registration. After registration, the owner can manage this asset (add/delete records, transfer ownership to another owner) until the end of the domain registration period.
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### Record
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A record is a pair of values `<type, string>`.
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Supported record types:
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| Type | Description |
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|-------|-------------------------------------------|
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| A | Represents address record type |
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| AAA | Represents IPv6 address record type |
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| TXT | Represents text record type |
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| CNAME | Represents canonical name record type |
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| SOA | Represents start of authority record type |
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### Owner
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An owner is a wallet that has the right to manage this NFT (domain).
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### Committee
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The committee makes new tokens (domains), sets, and charges a fee for issuance.
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## Globally Unique Domain Zone
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For more information, see [here](../docs/globally-unique-domain-zone.md).
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