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in-addr.arpa is for reverse lookups. It is how IPs resolve to names. The address is reversed to allow delegation of IP ranges to DNS servers that are “closer” t
by enduser 6y ago
in-addr.arpa is for reverse lookups. It is how IPs resolve to names. The address is reversed to allow delegation of IP ranges to DNS servers that are “closer” to the IP address.
Only the absence of a matching in-addr.arpa record would “look up” to the IP itself (by failing to look up to a name).
- tlb 6y agoSure, the PTR record gives the name. But I seem to remember it also returning A records with the corresponding IP address.