olinda's IP is changing (... again), and it seems wise to just include
"olinda.mit.edu" as an NS record, since that's probably relatively stable...
$TTL 300
@ IN SOA ns root (
- 2019030602 ; Serial
+ 2019061201 ; Serial
4h ; slave refresh
15m ; slave retry time in case of a problem
4w ; slave expiration time
IN NS ns3.dehnerts.com.
IN NS adehnert3.xvm.mit.edu.
IN NS ns1.sipb.org.
+ IN NS olinda.mit.edu.
IN A 18.102.208.15
IN MX 10 mail
IN MX 20 adehnert3.xvm.mit.edu.
webapps IN CNAME olinda
extern IN A 66.92.29.156
+squaresdb IN CNAME adehnert-test-a.mit.edu.
+squaresdb1 IN CNAME adehnert-test-a.mit.edu.
; GitLab
gametex CNAME adehnert.gitlab.io.