Re: on to letsencrypt

[Jack Craig]

On Sun, Apr 18, 2021 at 12:59 PM Ed Greshko  wrote:
> On 19/04/2021 03:18, Jack Craig wrote:
> > On Fri, Apr 16, 2021 at 12:52 PM Doug H. <[e-mail]
>
> > 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..*
>
> You removed the most important part of my comment.  Which was....
>
> PORT   STATE  SERVICE VERSION
> 53/udp closed domain
> 53/tcp  closed domain
>
> This mean you don't have a DNS server (bind, I assume) listening on the
> standard port 53
> on the 108.220.213.121 interface.  That means that no system outside of
> your internals (10.0.0.x)
> can query your DNS server.
>
> If I "telnet" to port 53 (tcp) to my ISP's name server...
>
> [egreshko@meimei ~]$ telnet 168.95.1.1 53
> Trying 168.95.1.1...
> Connected to 168.95.1.1.
> Escape character is '^]'.
> ^]
> telnet> close
> Connection closed.
>
> Yours?

telnet 108.220.213.121 53
Trying 108.220.213.121...
Connected to 108.220.213.121.
Escape character is '^]'.
Connection closed by foreign host.
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