netstat error(getnameinfo failed)


 
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# 1  
netstat error(getnameinfo failed)

[root@a etc]# netstat -a > /test/a
getnameinfo failed
getnameinfo failed
getnameinfo failed
getnameinfo failed
getnameinfo failed

command is working fine (as i get output in file /test/a)

[root@a etc]# dig -x 10.xxx.xxx.xxx
; <<>> DiG 9.3.3rc2 <<>> -x 10.203.xxx.xxx
;; global options: printcmd
;; connection timed out; no servers could be reached


Anyone knows how to resolve this issue?
# 2  
Is your dns server down?
# 3  
How to check whether dns server is down or not?

is it problem with naming resolution ?
# 4  
It looks like a dns problem. getnameinfo translates a socket address to a host nodename.
The standards describe it:
Code:
By default the fully-qualified domain name (FQDN) for the host shall be returned ...

There other possible errors, mostly on the system making the call.

try nslookup for some external ip address. if dns is down it will fail, too.
# 5  
Any other solution ?
 

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