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3 commits

Author SHA1 Message Date
Arko Dasgupta
313d2b8a74 Make DNS records and queries case-insensitive
RFC434 states that DNS Servers should be case insensitive
    This commit makes sure that all DNS queries will be translated
    to lower ASCII characters and all svcRecords will be saved in
    lower case to abide by the RFC

    Relates to https://github.com/moby/moby/issues/21169

Signed-off-by: Arko Dasgupta <arko.dasgupta@docker.com>
2019-06-19 11:23:31 -07:00
Deep Debroy
20faf0adf0 Retry other external DNS servers on ServFail
Signed-off-by: Deep Debroy <ddebroy@docker.com>
2018-03-23 10:22:04 -07:00
Deep Debroy
88df74659a Add unit tests for MX and A DNS queries
Signed-off-by: Deep Debroy <ddebroy@docker.com>
2018-01-08 17:08:48 -08:00