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I changed my mobile data provider (Germany, from Vodafone to O2) and I changed my Android phone as well. Since then the owntracks app can only reach my owntrack server hosted on my intel nuc (domain owntracks..me) when I am using my WLAN. Outside the house, connected by O2 5G I get an error: Failed to connect to owntracks..me/ Before using vodafone mobile data everything worked well for many, many months. I guess it is ipv6 configuration related, but I really don't know where to look and/or check or what to change. Could anybody point me in the right direction? |
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Replies: 3 comments 6 replies
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It appears as thought the domain name you are using has an IPv6 address in the DNS (AAAA record) which applications always use first; they will typically not fall back to using IPv4 (A record) if a AAAA is configured. So, if you know you have no IPv6 on the target system and/or if you know O2 doesn't provide support for IPv6, the easiest (likely only) solution would be to remove the AAAA record from the DNS. |
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Would you care to send the real domain name to us at ***@***.*** ? I can query the name and determine whether what I mentioned could be an issue. Alternatively, if you have a dig utility you can do so yourself:
dig owntracks.example.me AAAA
dig myname.synology.me AAAA
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IPv6 is working in my case. |
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It appears as thought the domain name you are using has an IPv6 address in the DNS (AAAA record) which applications always use first; they will typically not fall back to using IPv4 (A record) if a AAAA is configured.
So, if you know you have no IPv6 on the target system and/or if you know O2 doesn't provide support for IPv6, the easiest (likely only) solution would be to remove the AAAA record from the DNS.