$TTL 300
@ IN SOA ns root (
- 2019061302 ; Serial
+ 2019062501 ; Serial
4h ; slave refresh
15m ; slave retry time in case of a problem
4w ; slave expiration time
gwynedd IN A 192.168.1.16
*.gwynedd IN CNAME gwynedd
lushan IN CNAME lushan2.mit.edu.
-masada IN A 18.102.208.16
+masada IN A 18.18.208.15
olinda IN A 18.18.208.12
novgorod IN CNAME novgorod.mit.edu.
soviet-russia IN A 76.119.235.30