What Is a DNS Zone Transfer?

Zone transfer happens when you Copy the DNS zone on a single server Another DNS server. 

Regional transmission and synchronization master Secondary DNS server for the zone. This is how DNS

Establish its elasticity over the Internet. This is It is important to keep updating DNS zone Primary and secondary servers. Difference Primary and secondary service areas can lead to Interrupts and host name is resolved Incorrect.

Zone transfers can occur in one of three ways:

• Full zone transfer. When you exit from the entire area of ​​a copy of a DNS zone transfer complete Server to another. A complete all transfer zones is called a zone transfer (AXFR).

• Incremental zone transfer. Incremental zone transfer occurs when there is an update of Resource record DNS server only change is replicated to other servers. This is a Incremental zone transfer (IXFR).

• Rapid transmission. Windows DNS servers for fast delivery, which is a regional transfer Use compression and send multiple resource records per serving.

Not all DNS server implementation supports fast incremental zone transfer. When Integration with Berkeley Internet Name Domain (BIND) DN DNS server in Windows 2012.