The absolute fully-qualified domain name to perform periodic DNS queries. If not provided, an extra dot will be added at the end of a domain name during the query.
The class the dns health check query to use; either IN or CH.
Example: {@code IN}
The type the dns health check query to use; A, AAAA, TXT.
Example: {@code A}
An array that represents accepetable RCODE values for DNS query response. Example: ["NOERROR", "NXDOMAIN"]
DNS transport protocol; either UDP or TCP.
Example: {@code UDP}
DNS healthcheck configurations.