How to create an A record using DNSaaS

Designate is a multi-tenant DNS-as-a-Service (DNSaaS) component in CubeCOS. It provides a REST API secured by Keystone authentication and integrates with Nova and Neutron. Designate supports various DNS backends, including Bind9 and PowerDNS 4.

Setting the DNS of Network

1. Navigate to Network > Networks, click on the Network ID from the list of your Networks.

   

2. Select Subnets on the banner. Then click Edit on the desired subnet.

   

3. Input Controller VIP as value at in DNS section.

   

Create DNS Zone

1. Navigate to Project > Networks > DNS Zones > + Create Zone.

   

2. Create zone with a preferred/registered domain name.

   

Create Record Set

1. Hover to More, then click Create Record Set at the drop down menu to DNS Zone just created.

   

2. Add an A Record with the IP address of your Virtual Machine.

   Here is a list of the supported records:

   • A - IPv4 Address Record
   • AAAA - IPv6 Address Record
   • CAA - Certificate Authority Authorization Record
   • CNAME - Canonical Name Record
   • MX - Mail Exchange Record
   • NS - Name Server
   • PTR - Pointer Record
   • SOA - Start Of Authority

   

3. Verify record set creation by click the ID of the Zone again.

   

4. Select Record Sets on the banner to review the change done.

   

Test the DNS

• Navigate to your virtual machine console and nslookup www.bigstack.co
• Alternatively, you can change your compute DNS and try it out

   [root@test-dns ~]# nslookup www.bigstack.co 10.32.31.10
   Server: 10.32.31.10
   Address: 10.32.31.10#53

   Name: www.bigstack.co
   Address: 10.32.50.176