DNS server (add NS record)

dns/migrations/002_remove_ip_requirement.sql

@@ -0,0 +1,7 @@
+-- Make IP column optional for domains
+ALTER TABLE domains ALTER COLUMN ip DROP NOT 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'));