named[24408]: network unreachable

[Robert Heller]

What do you have for (public) Internet access?


At Mon, 08 Aug 2016 15:28:09 -0500 "Ubuntu user technical support,  not for general discussions" <ubuntu-users at lists.ubuntu.com> wrote:

> 
> I know this is a very, very simple question with probably a very simple
> fix but I've been messing with this 14.04.4LTS -> 16.04.1LTS upgrade
> since last Tuesday and I'm fried. I have bind9 running as a local
> caching nameserver especially useful for my spamassassin queries. I
> keep getting a whole lot of what's in the subject line in my syslog
> which makes it grow very large. Again, this is an issue I didn't have
> in 14.04LTS. For instance this line:
> 
> named[24408]: network unreachable resolving 'succulentsandsunshine.com
> 
> If I run:
> 
> chris at localhost:~$ time host succulentsandsunshine.com
> succulentsandsunshine.com has address 45.79.72.219
> succulentsandsunshine.com mail is handled by 20 mx2.emailsrvr.com.
> succulentsandsunshine.com mail is handled by 10 mx1.emailsrvr.com.
> 
> real	0m0.366s
> user	0m0.036s
> sys	0m0.004s
> chris at localhost:~$ time host succulentsandsunshine.com
> succulentsandsunshine.com has address 45.79.72.219
> succulentsandsunshine.com mail is handled by 20 mx2.emailsrvr.com.
> succulentsandsunshine.com mail is handled by 10 mx1.emailsrvr.com.
> 
> real	0m0.040s
> user	0m0.036s
> sys	0m0.000s
> 
> I don't see a network unreachable error. My /etc/resolv.conf file is:
> 
> # Dynamic resolv.conf(5) file for glibc resolver(3) generated by
> resolvconf(8)
> #     DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
> nameserver 127.0.0.1
> 
> 
> nameserver 127.0.0.1
> search PK5001Z
> 
> and it's linked to ../run/resolvconf/resolv.conf which is the same as
> /etc/resolv.conf (which it should be)
> 
> /run/resolv.conf/NetworkManager however reads:
> 
> search PK5001Z
> nameserver 127.0.1.1
> 
> /etc/network/interfaces reads:
> 
> # interfaces(5) file used by ifup(8) and ifdown(8)
> auto lo
> iface lo inet loopback
> 	dns-nameservers 127.0.0.1
> 
> So, question is, why do I keep seeing lines like this in my syslog:
> 
> Aug  8 15:23:31 localhost named[24408]: network unreachable resolving
> 'c.go-mpulse.net.cdn.cloudflare.net/A/IN':
> 2400:cb00:2049:1::c629:df1f#53
> 
> Aug  8 15:23:35 localhost named[24408]: network unreachable resolving
> 'pop.embarqmail.com/A/IN': 2001:428::5#53

-- 
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