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Merge pull request #536 from badsyntax/external-dns-txt-record-limit-info

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Added a note about TXT record length limitations and how to construct the records to bypass the limitation
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Joshua Tauberer 2015-08-28 15:00:23 -04:00
commit a6496949f8
1 changed files with 9 additions and 0 deletions
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management/templates/external-dns.html
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@ -34,6 +34,15 @@
<p>If you do so, you are responsible for keeping your DNS entries up to date! If you previously enabled DNSSEC on your domain name by setting a DS record at your registrar, you will likely have to turn it off before changing nameservers.</p>
<p class="alert" role="alert">
<span class="glyphicon glyphicon-info-sign"></span>
You may encounter zone file errors when attempting to create a TXT record with a long string.
<a href="http://tools.ietf.org/html/rfc4408#section-3.1.3">RFC 4408</a> states a TXT record is allowed to contain multiple strings, and this technique can be used to construct records that would exceed the 255-byte maximum length.
You may need to adopt this technique when adding DomainKeys. Use a tool like <code>named-checkzone</code> to validate your zone file.
</p>
<table id="external_dns_settings" class="table">
<thead>
<tr>