2.
. RFC1034, RFC1035 RFC974. /usr/src/etc/named/doc 4.3BSD ftp ftp.rs.internic.net. manual pages, named(8), resolver(3), resolver(5).
. .
, . , . , .
. . , (domain), , , . . , , , . . University of California, Berkeley :
monet.Berkeley.EDU
EDU; Berkeley - EDU, monet - .