<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri",sans-serif;
mso-fareast-language:EN-US;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:#0563C1;
text-decoration:underline;}
span.EmailStyle20
{mso-style-type:personal-reply;
font-family:"Calibri",sans-serif;
color:windowtext;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@page WordSection1
{size:612.0pt 792.0pt;
margin:72.0pt 72.0pt 72.0pt 72.0pt;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Hmmm,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Is no one else seeing this issue?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have seen no replies from nlnetlabs or anyone else.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>There must be a reason why things are failing?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Puzzle by the lack of response.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Ray<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='mso-fareast-language:EN-GB'>From:</span></b><span lang=EN-US style='mso-fareast-language:EN-GB'> RayG <rgsub1@btinternet.com> <br><b>Sent:</b> 01 July 2020 15:31<br><b>To:</b> unbound-users@nlnetlabs.nl<br><b>Subject:</b> Unbound randomly fails to resolve names<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hi,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>After resolving my performance issues in the thread :<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>“Unbound can be made unresponsive when using DoT" in the June archives.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I now need to understand why Unbound randomly fails to resolve names and causes various processes on my system to work incorrectly.<o:p></o:p></p><p class=MsoNormal>I hope the unbound users list allows attachments I have tried to add a zip file GetRootHints.zip which contains all the data to cause the issue.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>It contains a short PowerShell script just to obtain named.root from:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><a href="https://www.internic.net/domain/named.root">https://www.internic.net/domain/named.root</a> <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Examples of what happens when it fails and also when it works.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The unbound log file for both working and failing – verbosity 4<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have also included the Unbound configuration file details<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>So if anyone can advise why things are going wrong and how to correct them if indeed I can by changing the configuration.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>It would also be useful to know if this example fails on other systems.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The zip file can also be found on MSOneDrive here:<o:p></o:p></p><p class=MsoNormal><a href="https://1drv.ms/u/s!As73rPtzISrUzQ_Cgu81TC4xZRsE?e=BMHmDN">https://1drv.ms/u/s!As73rPtzISrUzQ_Cgu81TC4xZRsE?e=BMHmDN</a><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Ray<o:p></o:p></p></div></body></html>