On Thu, 18 Aug 2005, Philip Hazel wrote: > > Note that, as a result of pressure long ago from a certain multinational > company whose name starts with the digit 3, components of domain names > are permitted start with digits. Thus, an IPv4 address is a > syntactically valid domain name.
No it is not. RFC 1123 says "a valid host name can never have the dotted-decimal form #.#.#.#, since at least the highest-level component label will be alphabetic." Good name servers should object to zones with IP-address-like MX or CNAME or PTR target names. Tony. -- <[EMAIL PROTECTED]> <[EMAIL PROTECTED]> http://dotat.at/ ${sg{\N${sg{\ N\}{([^N]*)(.)(.)(.*)}{\$1\$3\$2\$1\$3\n\$2\$3\$4\$3\n\$3\$2\$4}}\ \N}{([^N]*)(.)(.)(.*)}{\$1\$3\$2\$1\$3\n\$2\$3\$4\$3\n\$3\$2\$4}} -- ## List details at http://www.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://www.exim.org/eximwiki/
