c: Copyright (C) 1998 - 2022, Daniel Stenberg, , et al. SPDX-License-Identifier: curl Long: dns-interface Arg: Help: Interface to use for DNS requests Protocols: DNS See-also: dns-ipv4-addr dns-ipv6-addr Added: 7.33.0 Requires: c-ares Category: dns Example: --dns-interface eth0 $URL --- Tell curl to send outgoing DNS requests through . This option is a counterpart to --interface (which does not affect DNS). The supplied string must be an interface name (not an address).