a

dns/migrations/002_remove_ip_requirement.sql

@@ -2,6 +2,5 @@
 ALTER TABLE domains MODIFY COLUMN ip VARCHAR(255) NULL;
 
 -- Update DNS records constraint to only allow A, AAAA, CNAME, TXT
-ALTER TABLE dns_records DROP CONSTRAINT IF EXISTS dns_records_record_type_check;
-ALTER TABLE dns_records ADD CONSTRAINT dns_records_record_type_check 
-    CHECK (record_type IN ('A', 'AAAA', 'CNAME', 'TXT'));
+-- MySQL doesn't support DROP CONSTRAINT IF EXISTS
+-- MySQL 8.0+ supports CHECK constraints, but we'll use a trigger approach for compatibility