diff --git a/schema/projects/tunnelbroker.xsd b/schema/projects/tunnelbroker.xsd
index 2d7d269..5eb965f 100644
--- a/schema/projects/tunnelbroker.xsd
+++ b/schema/projects/tunnelbroker.xsd
@@ -7,6 +7,7 @@
            attributeFormDefault="unqualified">
 
   <xs:include schemaLocation="../lib/types/net.xsd"/>
+  <xs:include schemaLocation="../lib/types/std.xsd"/>
 
   <!-- ROOT -->
   <xs:element name="tunnels">
@@ -22,6 +23,16 @@
               <xs:element name="clientv6" type="t_net_addr_ip6" minOccurs="1" maxOccurs="1"/>
               <xs:element name="routed64" type="t_net_qualified_addr_ip6" minOccurs="1" maxOccurs="1"/>
               <xs:element name="routed48" type="t_net_qualified_addr_ip6" minOccurs="0" maxOccurs="1"/>
+              <!--
+              FYI, these are FQDNs... but it's more or less impossible to validate through XSD so we let code do that.
+              -->
+              <!-- BEGIN THE FUCKERY. -->
+              <xs:element name="rdns1" type="t_std_nonempty" minOccurs="0" maxOccurs="1"/>
+              <xs:element name="rdns2" type="t_std_nonempty" minOccurs="0" maxOccurs="1"/>
+              <xs:element name="rdns3" type="t_std_nonempty" minOccurs="0" maxOccurs="1"/>
+              <xs:element name="rdns4" type="t_std_nonempty" minOccurs="0" maxOccurs="1"/>
+              <xs:element name="rdns5" type="t_std_nonempty" minOccurs="0" maxOccurs="1"/>
+              <!-- END THE FUCKERY. -->
             </xs:all>
             <xs:attribute name="id" type="xs:positiveInteger" use="required"/>
           </xs:complexType>