diff --git a/lib/dns.js b/lib/dns.js
index a2564b903b44da..d4c7d2c3c0e44e 100644
--- a/lib/dns.js
+++ b/lib/dns.js
@@ -46,6 +46,8 @@ const {
   getDefaultResultOrder,
   setDefaultResultOrder,
   errorCodes: dnsErrorCodes,
+  validDnsOrders,
+  validFamilies,
 } = require('internal/dns/utils');
 const {
   Resolver,
@@ -138,7 +140,6 @@ function onlookupall(err, addresses) {
 
 // Easy DNS A/AAAA look up
 // lookup(hostname, [options,] callback)
-const validFamilies = [0, 4, 6];
 function lookup(hostname, options, callback) {
   let hints = 0;
   let family = 0;
@@ -192,7 +193,7 @@ function lookup(hostname, options, callback) {
       dnsOrder = options.verbatim ? 'verbatim' : 'ipv4first';
     }
     if (options?.order != null) {
-      validateOneOf(options.order, 'options.order', ['ipv4first', 'ipv6first', 'verbatim']);
+      validateOneOf(options.order, 'options.order', validDnsOrders);
       dnsOrder = options.order;
     }
   }
diff --git a/lib/internal/dns/promises.js b/lib/internal/dns/promises.js
index 443d21dc2798ac..300052a04608ae 100644
--- a/lib/internal/dns/promises.js
+++ b/lib/internal/dns/promises.js
@@ -16,6 +16,8 @@ const {
   getDefaultResultOrder,
   setDefaultResultOrder,
   setDefaultResolver,
+  validDnsOrders,
+  validFamilies,
 } = require('internal/dns/utils');
 
 const {
@@ -179,7 +181,6 @@ function createLookupPromise(family, hostname, all, hints, dnsOrder) {
   });
 }
 
-const validFamilies = [0, 4, 6];
 /**
  * Get the IP address for a given hostname.
  * @param {string} hostname - The hostname to resolve (ex. 'nodejs.org').
@@ -227,7 +228,7 @@ function lookup(hostname, options) {
       dnsOrder = options.verbatim ? 'verbatim' : 'ipv4first';
     }
     if (options?.order != null) {
-      validateOneOf(options.order, 'options.order', ['ipv4first', 'ipv6first', 'verbatim']);
+      validateOneOf(options.order, 'options.order', validDnsOrders);
       dnsOrder = options.order;
     }
   }
diff --git a/lib/internal/dns/utils.js b/lib/internal/dns/utils.js
index bcca83fd4fe54d..85918f0d43d5c6 100644
--- a/lib/internal/dns/utils.js
+++ b/lib/internal/dns/utils.js
@@ -201,6 +201,8 @@ class ResolverBase {
 
 let defaultResolver;
 let dnsOrder;
+const validDnsOrders = ['verbatim', 'ipv4first', 'ipv6first'];
+const validFamilies = [0, 4, 6];
 
 function initializeDns() {
   const orderFromCLI = getOptionValue('--dns-result-order');
@@ -208,7 +210,7 @@ function initializeDns() {
     dnsOrder ??= 'verbatim';
   } else {
     // Allow the deserialized application to override order from CLI.
-    validateOneOf(orderFromCLI, '--dns-result-order', ['verbatim', 'ipv4first', 'ipv6first']);
+    validateOneOf(orderFromCLI, '--dns-result-order', validDnsOrders);
     dnsOrder = orderFromCLI;
   }
 
@@ -281,7 +283,7 @@ function emitInvalidHostnameWarning(hostname) {
 }
 
 function setDefaultResultOrder(value) {
-  validateOneOf(value, 'dnsOrder', ['verbatim', 'ipv4first', 'ipv6first']);
+  validateOneOf(value, 'dnsOrder', validDnsOrders);
   dnsOrder = value;
 }
 
@@ -356,4 +358,6 @@ module.exports = {
   errorCodes,
   createResolverClass,
   initializeDns,
+  validDnsOrders,
+  validFamilies,
 };