On 01/05/2017 03:55 PM, Dan Pascu wrote: [snip] > According to the logs, their DNS name server seems to be the culprit. Half > the time it replies, half the time it times out. I can see Blink did > register, but then failed to publish presence or initiate a call. > > This excerpt shows the issue (this is just for the SRV records, but I noticed > it does the same for every record type: A, NAPTR, TXT): > > 2017-01-05 14:35:33.924633 [blink 18271]: DNS lookup SRV > _sips._tcp.sip2sip.info. failed: no DNS response received, the query has > timed out > 2017-01-05 14:35:33.932106 [blink 18271]: DNS lookup SRV > _sips._tcp.sip2sip.info. failed: no DNS response received, the query has > timed out > 2017-01-05 14:35:33.971674 [blink 18271]: DNS lookup SRV > _sip._tcp.sip2sip.info. succeeded, ttl=3600: 100 100 5060 proxy.sipthor.net. > 2017-01-05 14:35:59.060338 [blink 18271]: DNS lookup SRV > _sips._tcp.sip2sip.info. failed: no DNS response received, the query has > timed out > 2017-01-05 14:36:24.174190 [blink 18271]: DNS lookup SRV > _sip._tcp.sip2sip.info. succeeded, ttl=3600: 100 100 5060 proxy.sipthor.net. > 2017-01-05 14:36:24.185869 [blink 18271]: DNS lookup SRV > _sip._tcp.sip2sip.info. succeeded, ttl=3600: 100 100 5060 proxy.sipthor.net. > 2017-01-05 14:36:24.266908 [blink 18271]: DNS lookup SRV > _sips._tcp.sip2sip.info. succeeded, ttl=3063: 100 100 443 proxy.sipthor.net. > > The name server that is used is at 127.0.1.1. Blink has code to detect if a > name server is usable or >not and if not it will automatically fall back to using the Google name >servers at 8.8.8.8 and 8.8.4.4. But if during the probing the name servers > happen to work, then the fallback will not happen. > > The conclusion is that they have to either fix their DNS resolver, or replace > their buggy resolver > with the google name servers (8.8.8.8 and 8.8.4.4) in /etc/resolv.conf >
Thanks. I'll pursue that. Regards, Lars _______________________________________________ Blink mailing list [email protected] http://lists.ag-projects.com/mailman/listinfo/blink
