+<% when /(albeniz|goetz).debian.org/: -%>
+server smetana.debian.org iburst dynamic
+server geo1.debian.org iburst dynamic
+server geo2.debian.org iburst dynamic
+server geo3.debian.org iburst dynamic
+<% when /(widor|argento).debian.org/: -%>
+server 195.49.152.213 iburst
+server 195.49.152.37 iburst