CLASS values.

CLASS fields appear in resource records. The following CLASS mnemonics and values are defined:

Enumerator
extDnsClassIN 

The Internet.

extDnsClassCS 

The CSNET class (Obsolete - used only for examples in some obsolete RFCs)

extDnsClassCH 

The CHAOS class.

extDnsClassHS 

Hesiod [Dyer 87].

extDnsClassANY 

Any class.