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DNS_STATUS_DOTTED_NAME
Dotted does not necessarily mean absolute
DNS_STATUS_DOTTED_NAME identifies a name containing multiple labels separated by dots. It is a syntactic classification, not a successful DNS answer. A dotted name can still be relative in resolver policy, depending on the API, flags, and whether the text explicitly denotes the root. Consequently, adding or omitting a search suffix can change which owner name is actually queried.
This distinction is important in diagnostics because logs often show only the caller’s input, while packet captures show an expanded query name. Two machines with different suffix-search configuration can resolve the same dotted input differently without either DNS server being inconsistent.
What to inspect
- Record the exact input, including a final dot if present, and the final QNAME placed on the wire.
- Check resolver search-list and devolution policy before blaming missing authoritative records.
- Use a deliberately fully qualified name for security-sensitive or cross-machine configuration.
- Do not interpret this status as proof that all labels satisfy hostname rules; validation format still controls permitted characters.
References
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