diff --git a/lib/internal/dns/promises.js b/lib/internal/dns/promises.js
index cd4607f4857927..2969721355adaa 100644
--- a/lib/internal/dns/promises.js
+++ b/lib/internal/dns/promises.js
@@ -10,7 +10,7 @@ const {
 } = require('internal/dns/utils');
 const { codes, dnsException } = require('internal/errors');
 const { toASCII } = require('internal/idna');
-const { isIP, isIPv4, isLegalPort } = require('internal/net');
+const { isIP, isLegalPort } = require('internal/net');
 const {
   getaddrinfo,
   getnameinfo,
@@ -34,7 +34,7 @@ function onlookup(err, addresses) {
     return;
   }
 
-  const family = this.family ? this.family : isIPv4(addresses[0]) ? 4 : 6;
+  const family = this.family ? this.family : isIP(addresses[0]);
   this.resolve({ address: addresses[0], family });
 }
 
@@ -51,7 +51,7 @@ function onlookupall(err, addresses) {
 
     addresses[i] = {
       address,
-      family: family ? family : isIPv4(addresses[i]) ? 4 : 6
+      family: family ? family : isIP(addresses[i])
     };
   }