--- a/t/samples/a	Wed Jan 21 20:33:49 2015 +0100
+++ b/t/samples/a	Wed Jan 21 20:41:45 2015 +0100
@@ -1,7 +1,8 @@
 $ORIGIN km21.de.
 $TTL 1d
 ; do NOT EDIT the SOA records SERIAL number!
-@               SOA    pu.schlittermann.de. hostmaster.schlittermann.de. 1397766411 86400 7200 604800 300
+; keep the spaces in the next line!
+@               SOA    pu      hostmaster.schlittermann.de. 1397766411 86400 7200 604800 300
                 NS     hh.schlittermann.de.
                 NS     pu.schlittermann.de.
                 TXT    "invoice: self"