Can't find JCenter repo

So after clean installation of Android studio, i cant add external dependency, i’m getting:

Error:org.gradle.internal.resolve.ModuleVersionResolveException: Could not resolve com.squareup.picasso:picasso:2.5.2. - repo is valid

Error:java.net.UnknownHostException: jcenter.bintray.com

Methods tried:
Im 100% sure that Im not using proxy
Done second clean installation of Android studio
Building with turned off firewall
Flushed dns - setting open dns
Tried to add dependency through GUI
tried maven repo
Tried running AS as Admin
BuildScript:
buildscript {
repositories {
jcenter()
}
dependencies {
classpath ‘com.android.tools.build:gradle:1.3.0’
}
}

allprojects {
repositories {
jcenter()
}
}

BuildGradle:

repositories {
jcenter()

}
dependencies {
compile fileTree(include: [’*.jar’], dir: ‘libs’)
compile 'com.android.support:appcompat-v7:23.1.0’
compile ‘com.squareup.picasso:picasso:2.5.2’
}