"rFC 822, P. Mockapetris, November 1983: This RFC introduces domain style names, their use for ARPA Internet mail and host address support, and the protocols and servers used to implement domain name facilities."
"rFC 822, P. Mockapetris, November 1983: This RFC introduces domain style names, their use for ARPA Internet mail and host address support, and the protocols and servers used to implement domain name facilities."