  DNS

   DNS   Web-. ,   -
  Red Hat        www. redhat. corn   
   .       IP-  -
.   IP-      ;   
  DNS,  IP-      .  -
 DNS:

     :  DNS  ,   .

      .   DNS 
      ;     DNS-
(     ).

    .      -
    ,  DNS     
   .

DNS   ,    , :

 :         .

 :     ,     -
,   .

 : Internet-   -    DNS.

. ,  DNS,     
/etc/hosts (.     "   " -
 12)    .   LAN      .
   ,   Internet,     -
 .  DNS   1983 , a BIND 
  BSD  1985 .

. BIND  ,    DNS.  -
  ,    .   -
   BIND    chroot (.  "
BIND    chroot"    )   
 (TSIG, .  "TSIG ( )"    ).

host  dig.  host  dig (.  "host  dig:    
 Internet"  10)  DNS-.  host ,   -
    ,  dig.     -
 DNS    .

,   

     DNS  ,   
() .      Linux,      DNS
     .    Linux 
(   )   (/),    () -
  ;   DNS     (. 24.1).

720  V.     