-$TTL 1D
-@ IN SOA ns root (
- 2010052501 ; Serial
- 28800 ; Refresh
- 14400 ; Retry
- 86400 ; Expire - 1 week
- 86400 ) ; Minimum
- IN NS ns1.dehnerts.com.
-; IN NS ns2.dehnerts.com.
+$TTL 300
+@ IN SOA ns root (
+ 2019061201 ; Serial
+ 4h ; slave refresh
+ 15m ; slave retry time in case of a problem
+ 4w ; slave expiration time
+ 300 ; maximum caching time in case of failed lookups (5 minutes)
+ )
+ IN NS ns3.dehnerts.com.
+ IN NS adehnert3.xvm.mit.edu.