You can check out the following links for more information about the topics that were covered in this chapter:
- Security groups: https://docs.microsoft.com/en-us/azure/virtual-network/security-overview
- Create, change, or delete an NSG: https://docs.microsoft.com/en-us/azure/virtual-network/manage-network-security-group
- What is Azure DNS?: https://docs.microsoft.com/en-in/azure/dns/dns-overview
- Overview of DNS zones and records: https://docs.microsoft.com/en-in/azure/dns/dns-zones-records
- Quickstart: Create an Azure DNS zone and record using the Azure portal: https://docs.microsoft.com/en-us/azure/dns/dns-getstarted-portal
- Use Azure DNS for private domains: https://docs.microsoft.com/en-us/azure/dns/private-dns-overview