The health probe API reflects the internal state of the DNS resolver service's critical path for handling DNS queries on Service Point v4 instances. The health of the DNS resolver service is determined by the following:
- Whether the
- Whether a
version.bindquery made from the
dns-gateway-serviceis resolved and responds with NOERROR.Note: The query is internal and handled by the
dns-gateway-service. This query is not forwarded out of the DNS resolver service.
The health probe can be used when configuring the Service Point v4 instance behind load balancers.
Request: GET http://<spv4-ip-address>:2021/v1/status/health
<spv4-ip-address> is the IP address of the Service Point v4
Possible error codes
- 500 INTERNAL SERVER ERROR - One or more health checks failed.