[CONFIGURATION-754] Update Apache Commons Text from 1.7 to 1.8.
diff --git a/src/main/java/org/apache/commons/configuration2/interpol/DefaultLookups.java b/src/main/java/org/apache/commons/configuration2/interpol/DefaultLookups.java
index 6c4353f..f12bf21 100644
--- a/src/main/java/org/apache/commons/configuration2/interpol/DefaultLookups.java
+++ b/src/main/java/org/apache/commons/configuration2/interpol/DefaultLookups.java
@@ -90,6 +90,13 @@
DATE(StringLookupFactory.KEY_DATE, new StringLookupAdapter(StringLookupFactory.INSTANCE.dateStringLookup())),
/**
+ * The lookup for DNS.
+ *
+ * @since 2.6
+ */
+ DNS(StringLookupFactory.KEY_DNS, new StringLookupAdapter(StringLookupFactory.INSTANCE.dnsStringLookup())),
+
+ /**
* The lookup for environment properties.
*/
ENVIRONMENT(StringLookupFactory.KEY_ENV,