<ip address> is the IP address of the DNS server.
<suffix1>, <suffix2>, and so on are the DNS suffixes that automatically apply when searching for any device through the HPDU. For example, <suffix1> can be company.com and <suffix2> can be parent.com. You can specify up to 6 suffixes by separating them with commas.
<resolver> is one of the options:
preferV4 - Use the IPv4 addresses returned by the DNS server.
preferV6 - Use the IPv6 addresses returned by the DNS server.