Hi there,
i use dns.sb and dot.ffmuc.net, are they also called as free? And can not be reverse resolved by unbound?
Is there a list available, where i can find resolvedable DNS Server for that need?
Thx
dns.sb reverse resoved okay on my IPFire system. I just tested it. It resolved to public-dns-a.dns.sb
The Freifunk Munich entry dot.ffmuc.net failed to resolve for me also.
There is no list of entries that are reverse resolvable but I am using ones from the TLS list and most were reverse resolved. Any that weren’t I didn’t use.
Here are the entries I have been using for more than a year now without any problems.
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Somthing is getting confused,
even google quad 8 is not reversable…
I use TLS
I use UDP
all the same…
Yes, but there is nothing in that list that guarantees that they will reverse resolve. Freifunk Munich is in the list but they don’t reverse resolve.
Basically you need to try out the entries you are interested in and see if they reverse resolve or not. Even if they don’t they should still work as a DNS server.
As the dns.sb and dns.google IP’s don’t reverse resolve for you but do for me then there must be some other issue with your system.
If you press the Check DNS Servers button do all of your selected dns server entries come up with a green OK or do some of them have a red error message.
If you hover your mouse pointer over the red error status then a pop up message box will appear giving some information about what the problem is.
You could also look in the logs with the following command
less /var/log/messages | grep unbound
This will list all the unbound dns server info. It should give more details in that about the problems with the dns.google and dns.sb servers.
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so, U will tell me how DNS is working?
Are U right?
host dns.google
dns.google has address 8.8.8.8
dns.google has address 8.8.4.4
dns.google has IPv6 address 2001:4860:4860::8844
dns.google has IPv6 address 2001:4860:4860::8888
why is this host not resovleable by unbound?
Without any error messages or logs it is not possible to say why it is not working on your system. It works fine on my production system.
See my previous post about how to check the dns servers and see if you get an error message or not and how to filter the messages log for unbound entries, unbound being the dns server running on IPFire.
If you provide the status message and log info then myself or other forum members should be able to figure out what is causing the problem.
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I don’t have problems with quad 8, too.