Long: dns-ipv4-addr Arg: <address> Help: IPv4 address to use for DNS requests Protocols: DNS See-also: dns-interface dns-ipv6-addr Added: 7.33.0 Requires: c-ares --- Tell curl to bind to <ip-address> when making IPv4 DNS requests, so that the DNS requests originate from this address. The argument should be a single IPv4 address.