Hi Ceki, I understand the situation. Thank you for dealing with the problem.
Regards, Takuma Tsutsumi 2017-04-13 5:21 GMT+09:00 Ceki Gulcu <[email protected]>: > Hello Takuma, > > There is a problem with our router whereby it fails to keep its IPv6 > configurations. The issue has been fixed now. Moreover, we put online an > additional server with a fixed IPv6 address. At this time all instances of > logback.qos.ch servers are configured with IPv6. > > I can't guarantee that our router will not fail again. However, the IPv6 > situation should be better now. > > Best regards, > > -- > Ceki > > On 10-Apr-17 12:50 PM, Takuma Tsutsumi wrote: > >> Hi Ceki, >> >> Sorry to bother you again... >> >> Unfortunately, it seems that the same problem is occurring. >> Would you please investigate this? >> >> Regards, >> >> Takuma Tsutsumi >> >> >> 2017-03-31 8:37 GMT+09:00 Takuma Tsutsumi <[email protected] >> <mailto:[email protected]>>: >> >> Hi Ceki, >> >> Thank you for your response. >> It seems to be working. >> >> Regards, >> >> Takuma Tsutsumi >> >> >> 2017-03-31 14:09 GMT+09:00 Ceki Gulcu <[email protected] >> <mailto:[email protected]>>: >> >> >> >> I am afraid there is not much I can do regarding the DNS queries >> since the provider for the host which does not have an AAAA >> record does not support IPv6. Anyway, the router/IPv6 and the >> Apache/IPv6 issues have been fixed. >> >> Even http://ready.chair6.net/?url=https://logback.qos.ch >> <http://ready.chair6.net/?url=https://logback.qos.ch> seems >> happy. >> >> >> Best regards, >> >> -- >> Ceki >> >> >> On 3/30/2017 9:25 PM, Ceki Gulcu wrote: >> >> Hi Takuma, >> >> >> There were multiple issues involved. >> >> 1) There was a router issue which dropped all IPv6 packets. >> 2) there are two DNS servers for the qos.ch <http://qos.ch> >> domain. They are configured >> differently. >> 3) There is indeed an APache configuration problem which I >> am trying to >> identify. >> >> -- >> Ceki >> >> >> On 3/30/2017 6:52 AM, Takuma Tsutsumi wrote: >> >> Hi, >> >> If using a user-agent that prefer IPv6 such as the Squid >> proxy, a >> timeout may frequently occur on logback.qos.ch >> <http://logback.qos.ch> <http://logback.qos.ch>. >> >> It seems to me that the IPv6 site does not exist. >> References: >> - http://ready.chair6.net/?url=https://logback.qos.ch >> <http://ready.chair6.net/?url=https://logback.qos.ch> >> <http://ready.chair6.net/?url=https://logback.qos.ch >> <http://ready.chair6.net/?url=https://logback.qos.ch>> >> - http://ipv6-test.com/validate.php >> <http://ipv6-test.com/validate.php> >> <http://ipv6-test.com/validate.php >> <http://ipv6-test.com/validate.php>> >> >> In addition, it seems that AAAA records may not be >> returned depending on >> DNS query timing. >> ``` >> $ date; dig +noall +answer @8.8.8.8 <http://8.8.8.8> >> <http://8.8.8.8> logback.qos.ch <http://logback.qos.ch> >> <http://logback.qos.ch> aaaa >> Thu Mar 30 22:34:03 DST 2017 >> logback.qos.ch <http://logback.qos.ch> >> <http://logback.qos.ch>. 279 IN CNAME >> yvo.qos.ch <http://yvo.qos.ch> <http://yvo.qos.ch>. >> yvo.qos.ch <http://yvo.qos.ch> <http://yvo.qos.ch>. >> 279 IN AAAA >> 2a02:121e:969:1:201:c0ff:fe1c:5f7c >> >> $ date; dig +noall +answer @8.8.8.8 <http://8.8.8.8> >> <http://8.8.8.8> logback.qos.ch <http://logback.qos.ch> >> <http://logback.qos.ch> aaaa >> Thu Mar 30 22:34:05 DST 2017 >> logback.qos.ch <http://logback.qos.ch> >> <http://logback.qos.ch>. 299 IN CNAME >> te.qos.ch <http://te.qos.ch> <http://te.qos.ch>. >> ``` >> >> Would you please investigate this? >> >> Regards, >> >> Takuma Tsutsumi >> >> >> >> _______________________________________________ >> logback-user mailing list >> [email protected] <mailto:[email protected]> >> http://mailman.qos.ch/mailman/listinfo/logback-user >> <http://mailman.qos.ch/mailman/listinfo/logback-user> >> >> _______________________________________________ >> logback-user mailing list >> [email protected] <mailto:[email protected]> >> http://mailman.qos.ch/mailman/listinfo/logback-user >> <http://mailman.qos.ch/mailman/listinfo/logback-user> >> >> _______________________________________________ >> logback-user mailing list >> [email protected] <mailto:[email protected]> >> http://mailman.qos.ch/mailman/listinfo/logback-user >> <http://mailman.qos.ch/mailman/listinfo/logback-user> >> >> >> >> >> >> _______________________________________________ >> logback-user mailing list >> [email protected] >> http://mailman.qos.ch/mailman/listinfo/logback-user >> >> _______________________________________________ > logback-user mailing list > [email protected] > http://mailman.qos.ch/mailman/listinfo/logback-user >
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