Question regarding spoofing

There exists programs such as synner.pl or Xxpoof where one can send spoofed source packets to a target IP address. However, this is only limited to IP addresses. Is there any such way to do the same thing, but to a certain URL, rather than IP?

Say, for example, that example1.com and example2.com share the same IP address, but you only want to spoof an IP packet for example1.com, not example2.com. Would this be at all feasible?

>>67
YOU CANNOT ESTABLISH TCP CONNECTIONS WITH A SPOOFED IP ADDRESS YOU FUCKTARD

IF YOU WRITE SOMEONE A LETTER AND GIVE THEM A FAKE ADDRESS, DO YOU REALLY THINK YOU'LL EVER GET A REPLY?

THE "FUNCTIONS" THAT LET YOU "SET YOUR IP" ARE THERE SO YOU CAN CHOOSE WHICH ADDRESS YOU WANT TO BIND TO WHEN YOUR MACHINE HAS MORE THAN ONE NETWORK INTERFACE

GOD