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DNS CNAME Issue

Discussion in 'Bind / DNS / Nameserver Issues' started by omcreations, Mar 26, 2014.

  1. omcreations

    omcreations Member

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    I have a dedicated server with cPanel running on it. Currently, there are 4 domains with emails. On one of the domains, the HTTP requests will go to a site over on Amazon Web Services, but all emails for that single domain will remain on the server.

    I was provided with the CNAME for Amazon, but when I try to create it in cPanel, I receive an error: "Unable to parse zone: Contains a malformed wildcard name: C*". I've altered some of the URL, for client security, but what was provided by Amazon is: C*.mydomain.com:gssb1-0000000.us-east-1.elb.amazonaws.com:86400

    Any thoughts on how to add this CNAME to cPanel DNS settings?
     
  2. LostNerd

    LostNerd Well-Known Member

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    Unfortunately, it's not possible to setup CNAME entries to point to ports. They can only point from hostname to hostname. Personally, I can't think of a logical route around it. Perhaps ask Amazon to provide you with a subdomain?

    EDIT: I was wrong. rhenderson's comment below should help.
     
    #2 LostNerd, Mar 26, 2014
    Last edited: Mar 26, 2014
  3. rhenderson

    rhenderson Well-Known Member

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    CNAME wildcards are "legal" as outlined in RFC 4592 (see http://www.ietf.org/rfc/rfc4592.txt ) but it appears cPanel doesn't like them. If you need it you might have to buy a DNS service that will allow it. If someone from cPanel could chime in and verify that perhaps you can do this....

    Basically escaping the * with ""

    I figured the 86400 was TTL, but your right if it is included in the string instead of the TTL that is not going to work.

    I think it is just the way it was written, it does look like a port. but I think it is TTL
     
    #3 rhenderson, Mar 26, 2014
    Last edited: Mar 26, 2014
  4. LostNerd

    LostNerd Well-Known Member

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    It's a late night for me. (Currently 02:25am)

    Naturally assuming everything is ports. (Network Admin here! -.-)
     
  5. omcreations

    omcreations Member

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    Escaping with "" didn't work. Still had the malformed wildcard. It looks like cPanel just doesn't support strings like that.

    I ended up going over to my domain registrar and added a CNAME on their records, which appear to be working perfect at this time.
     
  6. LostNerd

    LostNerd Well-Known Member

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    I'm glad you've got it sorted one way or another however, we're you using cPanel's "Simple DNS Zone Editor" or did you use the DNS Zone Editor in WHM? You may have more luck via the latter.
     
  7. cPanelMichael

    cPanelMichael Forums Analyst
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    Please feel free to submit a feature request if you would like the ability to use wildcard name CNAME entries (e.g. A*, B*, C*) when editing a DNS Zone:

    Submit A Feature Request

    Thank you.
     
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