NGX_RESOLVE_NXDOMAIN  455 core/ngx_resolver.c                 ctx->state = NGX_RESOLVE_NXDOMAIN;
NGX_RESOLVE_NXDOMAIN  525 core/ngx_resolver.c         ctx->state = NGX_RESOLVE_NXDOMAIN;
NGX_RESOLVE_NXDOMAIN  113 mail/ngx_mail_smtp_handler.c         if (ctx->state == NGX_RESOLVE_NXDOMAIN) {
NGX_RESOLVE_NXDOMAIN  198 mail/ngx_mail_smtp_handler.c         if (ctx->state == NGX_RESOLVE_NXDOMAIN) {