diff --git a/src/main.rs b/src/main.rs
index c475369..2aa00ee 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -84,9 +84,11 @@ struct Tester {
 
 impl Tester {
     fn new() -> Result<Tester> {
+        let mut resolver_opt = ResolverOpts::default();
+        resolver_opt.ip_strategy = LookupIpStrategy::Ipv4AndIpv6;
         Ok(Tester {
             config: toml::from_str(&fs::read_to_string("config.toml")?)?,
-            dns_resolver: Resolver::new(ResolverConfig::default(), ResolverOpts::default())?,
+            dns_resolver: Resolver::new(ResolverConfig::default(), resolver_opt)?,
         })
     }