Cannot ping by host name
103740
"ping: unknown host google.com" but IPs works fine
127024
Can't access host-only network when on two interfaces
100937
Filtering ping output through multiple pipes fails
26409
How do I reach my internal server on the external IP?
129540
IP address doesn't change to the domain name
95959
How to get remote host DNS address from a super-slim host (docker) without ping or bind-utils?
18603
What does "The provided host name is not valid for this server" mean?
154785
$_SERVER["REMOTE_ADDR"] gives server IP rather than visitor IP
73875
Connect to Linux by name rather than IP
101314
Postfix warning: hostname [unknown host] does not resolve to address [unknown ip]
110026
How do I resolve samba share to IP address or host name
62760
Why is IPv6 ping failing to access google.com?
86395
How can I access a server on local network using its public name?
98383
Can not access server using Port forwarding
51925
Configure router to redirect different hostnames to different machines
81971
Why is 'ping' unable to resolve a name when 'nslookup' works fine?
16155
Pinging an IP address using PHP and echoing the result