Version 0.2.1
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Fixed error when a DNS query has no answer (no results).


Version 0.2.0
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Added support for choosing DNS record type to look up. Currently understands
`A`, `AAAA`, `CNAME`, `MX`, `NS`, `PTR` (for IP addresses only), and `TXT`.


Version 0.1.0
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Initial release with support for querying a domain's `A` records.
