DNS records propagate to name servers with a significant delay or do not propagate at all.
Refresh time in SOA record is set to a very high value.
For a single domain, go
Top > Service Director > Domain Manager > Domains > domain.tld, click on the SOA record and decrease the Refresh value. To change default Refresh value, go
Top > Service Director > Domain Manager > Setup > SOA defaults tab.
Please feel free to address OBAS Provider's Guide should you need any assistance.