Why does one hostname resolve to multiple IP addresses?
Understand why a single hostname can return multiple A or AAAA records and when that is expected.
This is often normal
A single hostname can resolve to multiple IP addresses for load balancing, redundancy, regional distribution, or provider architecture.
This is very common with CDNs, cloud services, and large mail platforms.
Why tools may show different addresses
Different lookup tools may query different resolvers or receive different answers based on timing, region, or provider behavior.
That does not automatically mean the DNS is inconsistent or broken.
What to check
- Whether the IPs belong to the expected provider
- Whether both IPv4 and IPv6 are in use
- Whether the behavior matches the service design