On 20/04/2021 07:31, Jack Craig wrote:


On Mon, Apr 19, 2021 at 3:11 PM Ed Greshko <ed.gres...@greshko.com 
<mailto:ed.gres...@greshko.com>> wrote:

    On 19/04/2021 03:18, Jack Craig wrote:
    >
    >     On Fri, Apr 16, 2021, at 10:56 AM, Ed Greshko wrote:
    >     > On 16/04/2021 17:19, Ed Greshko wrote:
    >     > > On 16/04/2021 10:35, Jack Craig wrote:
    >     > >> First I get my static IP from AT&T actually a block of eight 
addresses of which only the first do they agree to pass through.
    >     > >>
    >     > >
    >     > > BTW, if you are hosting the DNS server and if your DNS server has 
the IP address of 108.220.213.121 then
    >     > > this could be a problem.
    >
    > *
    > *
    > *would you expand on this comment? i think this is an issue,... thx..*

    I should have mentioned you should check your named.conf. By default it 
contains

    options {
             listen-on port 53 { 127.0.0.1; };


i had listen to localhost & external ip, trimmed to just localhost

             listen-on-v6 port 53 { ::1; };

    meaning it only is listening on the loopback interface.


i have uncovered some ns info issues with my ip provider, att, dns config 
issues...
working them out; you guys are a god-and tho! ;) thx!!!


Maybe you're not yet up and running, but FWIW, port 53 continues to show as
closed for both TCP and UDP at 108.220.213.121.

Also, FWIW, I just installed bind on a F33 test VM and changed named.conf to 
contain

options {
        listen-on port 53 { 127.0.0.1; };
        listen-on-v6 port 53 { 2001:b030:112f:2::53; ::1; };

The VM is accessible via IPv6 but not IPv4.  And then running nmap from an 
external system.

PORT   STATE SERVICE VERSION
53/tcp open  domain  (generic dns response: NOTIMP)
| fingerprint-strings:
|   DNSVersionBindReqTCP:
|     version
|_    bind



--
Remind me to ignore comments which aren't germane to the thread.

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