diff --git a/lib/internal/dns/utils.js b/lib/internal/dns/utils.js
index d279a58840154e..70097663546a1a 100644
--- a/lib/internal/dns/utils.js
+++ b/lib/internal/dns/utils.js
@@ -65,8 +65,7 @@ class Resolver {
 
         if (ipVersion !== 0) {
           const port =
-            parseInt(serv.replace(addrSplitRE, '$2')) ||
-            IANA_DNS_PORT;
+            parseInt(serv.replace(addrSplitRE, '$2')) || IANA_DNS_PORT;
           return newSet.push([ipVersion, match[1], port]);
         }
       }
@@ -103,18 +102,18 @@ let defaultResolver = new Resolver();
 const resolverKeys = [
   'getServers',
   'resolve',
-  'resolveAny',
   'resolve4',
   'resolve6',
+  'resolveAny',
   'resolveCname',
   'resolveMx',
+  'resolveNaptr',
   'resolveNs',
-  'resolveTxt',
-  'resolveSrv',
   'resolvePtr',
-  'resolveNaptr',
   'resolveSoa',
-  'reverse'
+  'resolveSrv',
+  'resolveTxt',
+  'reverse',
 ];
 
 function getDefaultResolver() {
diff --git a/test/parallel/test-dns.js b/test/parallel/test-dns.js
index f974c2afa62862..40e0e605cda36a 100644
--- a/test/parallel/test-dns.js
+++ b/test/parallel/test-dns.js
@@ -121,13 +121,15 @@ const ports = [
   '4.4.4.4:53',
   '[2001:4860:4860::8888]:53',
   '103.238.225.181:666',
-  '[fe80::483a:5aff:fee6:1f04]:666'
+  '[fe80::483a:5aff:fee6:1f04]:666',
+  '[fe80::483a:5aff:fee6:1f04]',
 ];
 const portsExpected = [
   '4.4.4.4',
   '2001:4860:4860::8888',
   '103.238.225.181:666',
-  '[fe80::483a:5aff:fee6:1f04]:666'
+  '[fe80::483a:5aff:fee6:1f04]:666',
+  'fe80::483a:5aff:fee6:1f04',
 ];
 dns.setServers(ports);
 assert.deepStrictEqual(dns.getServers(), portsExpected);