There are over 2500 RFC's. Each RFC is known by a number. For instance, RFC 1180 presents a tutorial on TCP/IP, RFC 1920 lists the current standards RFC's and explains the RFC standards process, and RFC 1941 is a FAQ list on the topic of Internet deployment in educational establishments.
MX record. A mail exchanger record (MX record) is a type of resource record in the Domain Name System that specifies a mail server responsible for accepting email messages on behalf of a recipient's domain, and a preference value used to prioritize mail delivery if multiple mail servers are available.
The Velo MX is an ideal handboard from 2â up â this handboard gives you performance, lift, speed and manoeuvrability and includes a centre fin to help trim in the tube. It has dimensions of 45cm x 25cm / 18â³ x 10â³ yet the body surfer can use both arms when swimming back out to the break or onto the wave.