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DNS Zone files questions

Discussion in 'Bind/DNS/Nameserver' started by Bruce123, Jul 19, 2014.

  1. Bruce123

    Bruce123 Active Member

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    Two questions about the zone files for the server and hosted accounts:

    1.) My root email address is b.lastname@ix.netcom.com
    In the zone files, this is output as b.lastname.ix.netcom.com ("@" is replaced with "." )

    I see on some of the online DNS/MX checking websites that there are "invalid email address" and similar errors returned. Anything to do about this?

    2.) Zone files are created with the SOA EXPIRE value of: 3600000. The DNS checking websites report this as an error, with some giving this: "RFC 1912 recommends 1209600 - 2419200 seconds (14-28 days)." Is there a place I can go on the server to adjust the default value that is applied when accounts are created?

    Thank you in advance for your help and advice.
     
  2. kernow

    kernow Well-Known Member

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    Hi,
    1) b.lastname.ix.netcom.com. Is correct for the DNS zone file
    To edit default values
    2) DNS functions>>>>Edit zone templates. You probably want "standardvirtual" and 1209600 is good!
     
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  3. Bruce123

    Bruce123 Active Member

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    Thank you, kernow.

    Pardon my ignorance, but what's the point of having an email address in the zone file if it's not correct? Am I missing something here?
     
  4. kernow

    kernow Well-Known Member

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    It is the correct format to show the mail address in a DNS zone file. Am no expert on this but believe if the FQDN has a dot at the end of the domain name then the @ is replaced with a dot. Others here probably know more.
     
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  5. Bruce123

    Bruce123 Active Member

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    Thank you. I am interested to know the answer to this question...
     
  6. kernow

    kernow Well-Known Member

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    After a quick search........Here you go:
    cPanel DNS Zone file and Records - cPanel KnowledgeBase
     
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  7. Bruce123

    Bruce123 Active Member

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    That is interesting, and helpful. Above and beyond, Kernow, that you searched for that! Thanks many times.
     
  8. cPanelMichael

    cPanelMichael Forums Analyst
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    I am happy to see your questions were answered. Feel free to reply back with any additional questions on this topic.

    Thank you.
     
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  9. Bruce123

    Bruce123 Active Member

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    Ok, in thinking about this...

    Some of the online tools report that the zone email address is, basically, illegal. So that brings up two related questions:

    How/for what is the address used?

    How is the address reconstructed for this use? Another way to ask this might be, if a message needs to be sent to the address, or the validity of the address tested, where is the "@" inserted? I am thinking that the failure I am seeing might be because the @ is being inserted in the wrong place in this particular address (b.lastname@ix.netcom.com), as the failures I have seen are along the lines that "lastname.ix.netcom.com" is not a valid host.

    If this forum is not the correct place for this question, feel free to slap my hand.

    Thanks again.
     
  10. kernow

    kernow Well-Known Member

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    If your domain name ticks all the boxes here You can usually relax :cool:
     
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