1; Test if the zone parser accepts various blank lines 2@ IN SOA ns1.example.com dnsmaster.example.com. ( 3 1 ; Serial 4 7200 ; Refresh 2 hours 5 3600 ; Retry 1 hour 6 2419200 ; expire - 4 weeks 7 3600 ; Minimum 1 hour 8) 9 7200 IN NS ns1 10ns1 IN A 192.0.2.1 11 IN AAAA 2001:dbb::1 12; completely blank line 13 14; line with one space 15 16; line with one tab 17 18; line with spaces followed by comment 19 ; test comment 20; line with tabs followed by comment 21 ; test comment 22; Final line with spaces, tabs and comment 23 ; test comment 24