ping the FQDN failed but 'short name' works
106759
How to set the fully qualified domain name in 12.04?
151476
postfix doesn't work after iptables set up
96229
'Failed to login: Invalid ip' when connecting to servers
73244
What DNS servers am I using?
135988
Postfix Connection Timed out
32237
Why I do get error 101? How is my DNS involved?
118084
How does ping work on Fedora without setuid and capabilities?
81013
DNS not resolving on Mac OS X
127633
How are child nameservers resolved?
122687
Port forwarding with UFW
40370
How to force nginx to resolve DNS (of a dynamic hostname) everytime when doing proxy_pass?
125851
How do I diagnose not being able to reach a specific website as an end user?
122438
Pingdom error: "No delegation could be found at the parent" when analyzing subdomain
5077
Why is my host name wrong at the Terminal prompt when connected to a public WiFi network?
31304
TP-LINK TL-WN823N Unable to connect to network
55467
DNS Subdoamin Issue
5556
How do I configure my DNS settings in Ubuntu server?