diff --git a/lib/unit_tests_utils/internal_dns.rb b/lib/unit_tests_utils/internal_dns.rb
index d3267de..c2e2df2 100644
--- a/lib/unit_tests_utils/internal_dns.rb
+++ b/lib/unit_tests_utils/internal_dns.rb
@@ -6,7 +6,11 @@ def self.resolv(hostname)
   end
 
   def self.resolve_domain_name(hostname)
-    `dig +short #{hostname} @#{nameserver_ip}`.strip.split("\n")
+    if self.valid_ips?([hostname])
+      return [hostname]
+    end
+
+    return `dig +short #{hostname} @#{nameserver_ip}`.strip.split("\n")
   end
 
   def self.host_addresses(hostnames, port)
diff --git a/unit_tests_utils.gemspec b/unit_tests_utils.gemspec
index ff34bc4..9a2a20c 100644
--- a/unit_tests_utils.gemspec
+++ b/unit_tests_utils.gemspec
@@ -2,8 +2,8 @@
 
 Gem::Specification.new do |s|
   s.name        = 'unit-tests-utils'
-  s.version     = '1.4.0'
-  s.date        = '2018-04-25'
+  s.version     = '1.4.1'
+  s.date        = '2018-10-05'
   s.summary     = 'Common unit tests utils'
   s.description = 'This gems includes all resources needed for the a9s BOSH release unit tests.'
   s.authors     = ['Michael Lieser', 'Dennis Groß', 'Lucas Pinto']