Allow passing multiple DNSRecordType's to getRecords

[xorinzor]

Is your feature request related to a problem? Please describe.

when you'd use dig test.example.com txt and test.example.com is a CNAME record linked to google.com you'd get not only the TXT records but also the CNAME records.

Describe the solution you'd like

Have the possibility to get the records as-is from a lookup