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[Peter Trsko - dogmaT]

On Wed, 10 May, 2006, uhlar na fantomas.sk wrote:
> btw viete ktore RFC to je?

  Napr. RFC 1912 (Common DNS Operational and Configuration Errors)
  sekcia 2.1:

    Make sure your PTR and A records match. For every IP address, there
    should be a matching PTR record in the in-addr.arpa domain. If
    a host is multi-homed, (more than one IP address) make sure that all
    IP addresses have a corresponding PTR record (not just the first
    one). Failure to have matching PTR and A records can cause loss of
    Internet services similar to not being registered in the DNS at all.
    Also, PTR records must point back to a valid A record, not a alias
    defined by a CNAME. It is highly recommended that you use some
    software which automates this checking, or generate your DNS data
    from a database which automatically creates consistent data.
 
> pretoze som o tom uz davno necital, jedine co si pamatam je, ze ak aj
> existuje taketo odporucanie, tak je tam slovo SHOULD, co podla definicie
> znamena "pokial nie je dobry dovod urobit to inac". podla mna zabezpecit aby
> MTA neprepisovali adresy, je velmi dobry dovod 

  Skor sa mi zda, ze by pomohlo dat MX zaznam:
  
    hnedy.sklug.sk.      IN      MX      hnedy.sklug.sk.
    
  Nie som v tejto oblasti expert, ale predpokladam, ze ked hlada MTA MX
  zaznam, tak sa mu nepaci, ze najde len alias.

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