dot-fallback. 5 IN SOA ns1.dot-fallback. hostmaster.dot-fallback. 1 3600 3600 3600 3600 dot-fallback. 5 IN NS ns1.dot-fallback. a01.dot-fallback. 5 IN A 1.1.1.1 a02.dot-fallback. 5 IN A 255.255.255.255 ns1.dot-fallback. 5 IN A 10.53.0.1 dot-fallback. 5 IN SOA ns1.dot-fallback. hostmaster.dot-fallback. 1 3600 3600 3600 3600