Description: The MIB module for entities implementing the server side of the Domain Name System (DNS) protocol. P. Mockapetris, 'Domain names - implementation and specification', RFC 1035, November 1987

Descriptions of acronyms and definitions:

Reporting The interval in seconds over which interval the server last calculated the sample interval statistics

RR Resource Record for DNS

AXFR Full zone transfer

IXFR Incremental zone transfer M.Ohta, 'Incremental Zone Transfer in DNS', RFC-1995, August 1996

ACL DNS Access Control List

RCODE Flag in a DNS packet P. Vixie, S. Thomson, Y. Rekhter, J. Bound, 'Dynamic Updates in the Domain Name System (DNS UPDATE)', RFC-2136, April 1997

The following are values of RCODE in the update packet:

FORMERR The name server was unable to interpret the request due to a format error.

REFUSED The name server refuses to perform the specified operation for policy or security reasons.

TSIG A transaction signature of secret key transaction authentication for DNS. O. Gudmundsson, D. Eastlake 3rd, B. Wellington, 'Secret Key Transaction Authentication for DNS (TSIG)', RFC-2845, May 2000

The following are TSIG related error conditions, while processing incoming messages:

BADTIME The time in the TSIG message is off the limit

BADKEY The key in the TSIG message is not valid

BADSIG The signature in the TSIG message is not valid

HA High Availability DNS servers to eliminate single-point-of-failure for dynamic DNS updates