Feature: Improve promise cancellation for DNS lookup retries and clean up any garbage references.
(#118 by @clue)

Fix: Reject parsing malformed DNS response messages such as incomplete DNS response messages,
malformed record data or malformed compressed domain name labels.
(#115 and #117 by @clue)

Fix: Fix interpretation of TTL as UINT32 with most significant bit unset.
(#116 by @clue)

Fix: Fix caching advanced MX/SRV/TXT/SOA structures.
(#112 by @clue)