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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal>I have started to see these errors occurring more frequently:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>05/11/2019 14:38:16 C:\Program Files\Unbound\unbound.exe[1772:0] error: SERVFAIL <ctldl.windowsupdate.com. AAAA IN>: request has exceeded the maximum number restarts (eg. indirections) stop at hlb.apr-52dd2-0.edgecastdns.net.<o:p></o:p></p><p class=MsoNormal>05/11/2019 14:38:16 C:\Program Files\Unbound\unbound.exe[1772:0] error: SERVFAIL <ctldl.windowsupdate.com. AAAA IN>: request has exceeded the maximum number restarts (eg. indirections) stop at hlb.apr-52dd2-0.edgecastdns.net.<o:p></o:p></p><p class=MsoNormal>05/11/2019 14:38:16 C:\Program Files\Unbound\unbound.exe[1772:0] error: SERVFAIL <ctldl.windowsupdate.com. A IN>: request has exceeded the maximum number restarts (eg. indirections) stop at hlb.apr-52dd2-0.edgecastdns.net.<o:p></o:p></p><p class=MsoNormal>05/11/2019 14:38:16 C:\Program Files\Unbound\unbound.exe[1772:0] error: SERVFAIL <ctldl.windowsupdate.com. A IN>: request has exceeded the maximum number restarts (eg. indirections) stop at hlb.apr-52dd2-0.edgecastdns.net.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Also these:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>05/11/2019 15:46:36 C:\Program Files\Unbound\unbound.exe[1772:0] error: SERVFAIL <globalsign.cloud. DS IN>: 0x20 failed, then got different replies in fallback<o:p></o:p></p><p class=MsoNormal>05/11/2019 15:54:35 C:\Program Files\Unbound\unbound.exe[1772:0] error: SERVFAIL <eff.org. DS IN>: 0x20 failed, then got different replies in fallback<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>but when I query all the above with DIG manually all seems to be OK.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>And then this oddball which is probably and incorrect configuration somewhere (but not me?):<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>05/11/2019 16:10:13 C:\Program Files\Unbound\unbound.exe[15216:0] info: validation failure <cdn.ckeditor.com. A IN>: DS got unsigned CNAME answer from 1.0.0.1 and 2606:4700:4700::1001 for DS ckeditor.com. while building chain of trust<o:p></o:p></p><p class=MsoNormal>05/11/2019 16:11:17 C:\Program Files\Unbound\unbound.exe[15216:0] info: validation failure <cdn.ckeditor.com. A IN>: DS got unsigned CNAME answer from 2606:4700:4700::1111 and 1.0.0.1 for DS ckeditor.com. while building chain of trust<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Anything I should be worried about?<o:p></o:p></p></div></body></html>