$ttl 38400
system-test2.	IN	SOA	172.17.42.1. admin.test.com. (
			1439234395
			10800
			3600
			604800
			38400 )
system-test2.        IN  NS  172.17.42.1.
jenkins             IN  A   10.1.1.1
foo                 IN  A   2.2.2.2
test                IN  A   3.3.3.3
test                IN  A   4.4.4.4
@                   IN  A   5.5.5.5
already-exists      IN  A   6.6.6.6
high-value-domain   IN  A   1.1.1.1
high-VALUE-domain-UPPER-CASE   IN  A   1.1.1.1
