[Class] A [Function] Specifies the IPv4 address for a host [Typical RDATA] IPv4 Address [RR Name] 
Address IPv4
S t a r t O f A u t h o r i t y
A d d r e s s I P v 4
A d d r e s s I P v 6
" P o i n t e r "
C a n o n i c a l n a m e
N a m e s e r v e r
M a i l e x c h a n g e r