RFC 1035 [1] (page 44) describes the use of a list of server names (SLIST) to query for a particular name. It is unclear to me from the RFC as to whether the server is selected by address or by name. In other words, all history (e.g., batting average and response time) being equal, if a name resolves to two IP addresses, is it twice as likely to be used in resolution for a name as that which resolves to only one--both according to the RFC, and as implemented in BIND? Example:
example.com. 3600 IN NS ns1.example.com. example.com. 3600 IN NS ns2.example.com. ns1.example.com. 3600 IN A 10.0.0.1 ns1.example.com. 3600 IN A 10.0.0.2 ns2.example.com. 3600 IN A 10.0.0.3 Best regards, Casey [1] http://tools.ietf.org/html/rfc1035
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