Question

SOA Serial Number Format is Invalid

Posted August 29, 2014 47.6k views

I have set up an Ubuntu box and everything seems to be working. Website shows, SSL is enabled and I thought everything was as it should but doing a check on mxtoolbox and i get the following warning:

SOA Serial Number Format is Invalid

The serial number is an unsigned 32 bit value assigned to your SOA record must be between 1 and 4294967295.

We will issue a warning if your serial is either invalid by being outside of the allowed range or if it does not conform to this format.

Is this something I have done or is this something related to the Digital Ocean NameServers?

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dan--smith
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dan--smith
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2 comments
  • HollyRidge September 9, 2014
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    What is your SOA in the DNS record?

    Try the site http://intodns.com/ to check your DNS records. That is one I use quite often. Its kinda similar to the old dnsreport before they ruined it.

  • uadev October 23, 2014
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    Hi there!

    I have the same issue. Just checked intodns.com and got that message: “Your SOA serial number is: 1413986340. This can be ok if you know what you are doing.” .

    I don’t known what I’m doing :), so could someone please help us?

    Thanks!

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dan--smith September 17, 2014

Hi Thanks your your help I get the following from the intodns report:

Your SOA serial number is: 1409411920. This can be ok if you know what you are doing.

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cybernetwebdesign June 18, 2015
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