IPv6 Reverse DNS Generator
Enter any IPv6 address to instantly generate its reverse DNS PTR record in the standard ip6.arpa format. Get the complete nibble-format hostname ready for DNS zone files — essential for configuring reverse lookups, PTR records, and IPv6 DNS delegation. For other technical calculators, browse technology & gadgets calculators at Joteo. To calculate ipv6 subnets for a firewall rule, enter the prefix and copy the network address and range from the results.
Enter IPv6 Address
Reverse DNS Result
Example DNS Zone Entry
; Example PTR record for 2001:db8::1 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.b.d.0.1.0.0.2.ip6.arpa. IN PTR hostname.example.com.
Related Network Tools
Explore these related tools for subnet calculation and IP address management. Run the ipv6 address validator to identify the scope and type of an IPv6 address before using it in a routing or security policy.
Additional networking calculators for IP address planning and network analysis. Use the ipv6 address compressor to convert any expanded IPv6 address to compressed notation for use in configuration files.
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