On Tue, Sep 16, 2003 at 01:18:26AM +0200, Jeroen Massar wrote: > > Even worse of this is that you can't verify domain names under .net > any more for 'existence' as every .net domain suddenly has a A record > and then can be used for spamming... > > From: Spammer <[EMAIL PROTECTED]> > To: You <[EMAIL PROTECTED]> > > Thank you Verisign! Now we need to check for existence of an MX > and then just break a couple of RFC's in the process :(
Checking for NS or SOA record(s) is sufficient, neither are being returned, only A records. Of course, you could just block anything that resolves to netsol. -- Matthew S. Hallacy FUBAR, LART, BOFH Certified http://www.poptix.net GPG public key 0x01938203
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