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# Difference in hostname resolution between Agent v5 and Agent v6/v7

This information is available in the Datadog documentation:
[docs.datadoghq.com/agent/faq/how-datadog-agent-determines-the-hostname/#agent-versions][1]

[1]: https://docs.datadoghq.com/agent/faq/how-datadog-agent-determines-the-hostname/#agent-versions