dns.getServers(): string[]
Returns:
string[]Returns an array of IP address strings, formatted according to RFC 5952, that are currently configured for DNS resolution. A string will include a port section if a custom port is used.
[ "8.8.8.8", "2001:4860:4860::8888", "8.8.8.8:1053", "[2001:4860:4860::8888]:1053", ]