When I do a whois than all 3 nameservers show up. Also all 3 domain servers are runing. Only Server 1 and 3 are actually accessable from the web by the global IP.
Do cut the story shorter it seems to me that the DNS does not resolv correctly. For now please ignore the time settings (unless they are totally wrong of course. I set them short in order to be able to change the settings once it resolves correctly.
All settings were done 4 days ago, so the resolving around the globe should have gone through by now ;-)
How can I check that the announcements are actually reaching the 13 root servers ?
Perhaps Do I need to open any other port than 25 and 80 on the router side in order to make it work ?
Any reply and pointing into the right direction is much appreciated.
I post my setup files below.
(Note that the system is running on Debian Sarge. You may find that the config files are different from another distro)
// This is the primary configuration file for the BIND DNS server named.
// Please read /usr/share/doc/bind/README.Debian for information on the
// structure of BIND configuration files in Debian for BIND versions 8.2.1
// and later, *BEFORE* you customize this configuration file.
That is / was exactly one of my concerns. Will it be really necessary to open the port 53 ? If I understand that correctly, then the nameservers are going to "broadcast" that they are there. So when an internet client requests information shouldnt that information be coming from the root servers (meaning, that we dont need to open the port 53 at the router) ?
Recursive resolving DNS servers (the DNS server for the user) request host information directly from your NSes. You need to open at least UDP port 53 to the world.
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