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Topic # 31191 8-Mar-2009 13:43
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Does anyone know why Snap puts their IP addresses backwards on the associated hostname, for example: becomes, whereas most (if not all) of the other ISPs would do this:

Anyone think of a rhyme or reason for this?

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Baby Get Shaky!
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  Reply # 199978 8-Mar-2009 21:59
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Its called rDNS: 
Reverse DNS lookups for IPv4 addresses use a reverse IN-ADDR entry in the special domain In the domain a sequence of bytes in reverse order represent an IPv4 address, encoded as decimal numbers, separated by dots with the suffix For example, the reverse lookup domain name corresponding to the IPv4 address is A host name for can be obtained by issuing a DNS query for the PTR record for that special address

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