named[24408]: network unreachable

[Chris]

On Mon, 2016-08-08 at 16:49 -0400, Robert Heller wrote:
> What do you have for (public) Internet access?
> 
Hoping this is what you want - CenturyLink DSL

Another note, running 'dig' it appears that everything is great. After
running this the first time it always returns a query time of 0 msc:

chris at localhost:~$ dig homedepot.com

; <<>> DiG 9.10.3-P4-Ubuntu <<>> homedepot.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 46894
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 4

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;homedepot.com.			IN	A

;; ANSWER SECTION:
homedepot.com.		3600	IN	A	207.11.34.
219

;; AUTHORITY SECTION:
homedepot.com.		172800	IN	NS	nsa.hom
edepot.com.
homedepot.com.		172800	IN	NS	nsc.hom
edepot.com.
homedepot.com.		172800	IN	NS	nsb.hom
edepot.com.

;; ADDITIONAL SECTION:
nsa.homedepot.com.	172800	IN	A	207.11.20.20
0
nsb.homedepot.com.	172800	IN	A	207.11.38.4
nsc.homedepot.com.	172800	IN	A	207.11.38.5

;; Query time: 149 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon Aug 08 15:47:39 CDT 2016
;; MSG SIZE  rcvd: 160

chris at localhost:~$ dig homedepot.com

; <<>> DiG 9.10.3-P4-Ubuntu <<>> homedepot.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4153
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 4

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;homedepot.com.			IN	A

;; ANSWER SECTION:
homedepot.com.		3590	IN	A	207.11.34.
219

;; AUTHORITY SECTION:
homedepot.com.		172790	IN	NS	nsc.hom
edepot.com.
homedepot.com.		172790	IN	NS	nsa.hom
edepot.com.
homedepot.com.		172790	IN	NS	nsb.hom
edepot.com.

;; ADDITIONAL SECTION:
nsa.homedepot.com.	172790	IN	A	207.11.20.20
0
nsb.homedepot.com.	172790	IN	A	207.11.38.4
nsc.homedepot.com.	172790	IN	A	207.11.38.5

;; Query time: 0 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon Aug 08 15:47:49 CDT 2016
;; MSG SIZE  rcvd: 160


> 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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-- 
Chris
KeyID 0xE372A7DA98E6705C
31.11972; -97.90167 (Elev. 1092 ft)
15:56:22 up 1 day, 19:20, 3 users, load average: 0.53, 0.48, 0.54
Ubuntu 16.04.1 LTS, kernel 4.4.0-31-generic #50-Ubuntu SMP Wed Jul 13 00:07:12 UTC 2016