<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Hi Christian,<div class=""><br class=""></div><div class=""><div><blockquote type="cite" class=""><div class="pre" style="caret-color: rgb(0, 0, 0); font-size: 13.333333015441895px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; margin: 0px; padding: 0px; font-family: monospace;">pdns master is running on host 192.168.213.11, and container ip is 172.17.0.4</div><div class="pre" style="caret-color: rgb(0, 0, 0); font-size: 13.333333015441895px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; margin: 0px; padding: 0px; font-family: monospace;"> </div><div class="pre" style="caret-color: rgb(0, 0, 0); font-size: 13.333333015441895px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; margin: 0px; padding: 0px; font-family: monospace;">pdns slave is running on host 192.168.213.12, and container ip is 172.17.0.3</div><div class="pre" style="caret-color: rgb(0, 0, 0); font-size: 13.333333015441895px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; margin: 0px; padding: 0px; font-family: monospace;"> </div><div class="pre" style="caret-color: rgb(0, 0, 0); font-size: 13.333333015441895px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; margin: 0px; padding: 0px; font-family: monospace;">both containers have gateway set to 172.17.0.1, and hosts have gateway set to 192.168.213.1</div><div class="pre" style="caret-color: rgb(0, 0, 0); font-size: 13.333333015441895px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; margin: 0px; padding: 0px; font-family: monospace;"> </div><div class="pre" style="caret-color: rgb(0, 0, 0); font-size: 13.333333015441895px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; margin: 0px; padding: 0px; font-family: monospace;">Both containers publishes udp/53 and tcp/53 (as 0.0.0.0:53) so basically, I can connect to any of these two, targetting the 192.168.213.x IP</div><div class="pre" style="caret-color: rgb(0, 0, 0); font-size: 13.333333015441895px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; margin: 0px; padding: 0px; font-family: monospace;"> </div><div class="pre" style="caret-color: rgb(0, 0, 0); font-size: 13.333333015441895px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; margin: 0px; padding: 0px; font-family: monospace;">But when I do a zone update on the master container, docker logs of the pdns-slave shows these two things, for all the domains for which he should be authoritative:<br class=""><br class="">- Received NOTIFY for _this_particular_zone_ from 172.17.0.1 for which we are not authoritative</div><div class="pre" style="caret-color: rgb(0, 0, 0); font-size: 13.333333015441895px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; margin: 0px; padding: 0px; font-family: monospace;">- Error resolving SOA or NS for _this_particular_zone_ at: 172.17.0.1: Query to '172.17.0.1' for SOA of '_this_particular_zone_' produced no answer</div><div class="pre" style="caret-color: rgb(0, 0, 0); font-size: 13.333333015441895px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; margin: 0px; padding: 0px; font-family: monospace;"><br class=""></div></blockquote><br class=""></div><div>Could you do the following:</div><div><br class=""></div><div>- start a tcpdump on pdns-slave</div><div>- from pdns-master: do a dig something @192.168.213.12</div><div>- from pdns-master: trigger a notify to 192.168.213.12</div><div><br class=""></div><div>And show us the tcpdump?</div><div><br class=""></div><div><br class=""></div><div><br class=""></div><div>Frank</div><div><br class=""></div><br class=""></div><div class=""></div></body></html>