Use bash and curl: curl ip{4,6}.${config.networking.domain}
Because any other "Whats my IP?"-tool sucks. Host yourself :3
' ''; }; }; services.nginx.virtualHosts."ip4.${config.networking.domain}" = { useACMEHost = "${config.networking.fqdn}"; forceSSL = true; kTLS = true; locations."/" = { return = "200 '$remote_addr\n'"; extraConfig = '' types { } default_type "text/plain; charset=utf-8"; add_header Access-Control-Allow-Origin *; ''; }; }; services.nginx.virtualHosts."ip6.${config.networking.domain}" = { useACMEHost = "${config.networking.fqdn}"; forceSSL = true; kTLS = true; locations."/" = { return = "200 '$remote_addr\n'"; extraConfig = '' types { } default_type "text/plain; charset=utf-8"; add_header Access-Control-Allow-Origin *; ''; }; }; }