Idel Pivnitskiy b4479353e2 Improve logging in DnsServerAddressStreamProviders (#10848) ... Motivation: `DnsServerAddressStreamProviders` tries to load `MacOSDnsServerAddressStreamProvider` on macOS. However, it doesn't warn users when `MacOSDnsServerAddressStreamProvider` is not awailable, which may cause incorrect results for DNS resolutions. Modifications: - Log at warn level if `MacOSDnsServerAddressStreamProvider` is not found on macOS; - Log at debug level when `MacOSDnsServerAddressStreamProvider` is loaded and available; Result: macOS users are notified when `MacOSDnsServerAddressStreamProvider` is not available.		2020-12-10 14:19:39 +01:00
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main	Improve logging in DnsServerAddressStreamProviders (#10848)	2020-12-10 14:19:39 +01:00
test	Don't use the cname cache when using DnsRecordResolveContext (#10808)	2020-11-26 15:34:56 +01:00