apt-get update Could not resolve 'http.kali.org'

[evolition]

apt-get update
Err http://security.kali.org kali/updates Release.gpg
Could not resolve 'security.kali.org'
Err http://http.kali.org kali-dev Release.gpg
Could not resolve 'http.kali.org'
Err http://http.kali.org kali Release.gpg
Could not resolve 'http.kali.org'
Reading package lists... Done
W: Failed to fetch http://http.kali.org/kali/dists/kali-dev/Release.gpg Could not resolve 'http.kali.org'

W: Failed to fetch http://http.kali.org/kali/dists/kali/Release.gpg Could not resolve 'http.kali.org'

W: Failed to fetch http://security.kali.org/kali-securi...es/Release.gpg Could not resolve 'security.kali.org'

W: Some index files failed to download. They have been ignored, or old ones used instead.

i try to fixed it any way that i googling or find in this forum but it not success help me please..
ps. i can ping to http.kali.org
srry about my bad english

[malix]

I also having same problem..

[Kai Obaru]

Most of this issuses are no network connected or wrong proxy settings. Check your network or default all proxy settings. Another reason is sources.list, default it as official also.

[pureyonip100]

Im having issues with it also but when i use vpn it worked perfect.