| Class | Description |
|---|---|
| ALabel | |
| DnsLabel |
A DNS label is an individual component of a DNS name.
|
| FakeALabel | |
| LdhLabel |
A LDH (Letters, Digits, Hyphen) label, which is the classical label form.
|
| LeadingOrTrailingHyphenLabel |
A DNS label with a leading or trailing hyphen ('-').
|
| NonLdhLabel |
A DNS label which contains more than just letters, digits and a hyphen.
|
| NonReservedLdhLabel |
A Non-Reserved LDH label (NR-LDH label), which do not have "--" in the third and fourth position.
|
| OtherNonLdhLabel |
A Non-LDH label which does not begin with an underscore ('_'), hyphen ('-') or ends with an hyphen.
|
| ReservedLdhLabel |
A reserved LDH label (R-LDH label), which have the property that they contain "--" in the third and fourth characters.
|
| UnderscoreLabel |
A DNS label which begins with an underscore ('_').
|
| XnLabel |
A label that begins with "xn--" and follows the LDH rule.
|
| Exception | Description |
|---|---|
| DnsLabel.LabelToLongException |