<p>Thank you for the report. Could you try with the patch <a class="commit-link" data-hovercard-type="commit" data-hovercard-url="https://github.com/kamailio/kamailio/commit/aeea940adaddc12c1467a0ac8f5e34d14b1339be/hovercard" href="https://github.com/kamailio/kamailio/commit/aeea940adaddc12c1467a0ac8f5e34d14b1339be"><tt>aeea940</tt></a> on a azure VM? Should be also work for 5.2. If it fix the problem for you it could be backported.</p>
<p>Can you also check in the wireshark that the Azure DNS does not include something meaningful into the OPT record data?</p>

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