Usually, a DNS server returns the same resolution result to visitors from different networks or geographic locations. However, in cross-network or cross-region access, this would lead to an increase in network latency and poor user experience.
With configurable resolution lines, you can specify that the DNS server returns different resolution results for the same domain name based on the networks or geographic locations of visitors' IP addresses.
You can create more fine-grained resolution lines based on source IP addresses.
Huawei Cloud DNS supports the following types of resolution lines:
Resolution lines are not available for private zones and PTR records.