STUN Test App is running

• stun.l.google.com: Failure - Message sent to stun.l.google.com
• stun1.l.google.com: Failure - Message sent to stun1.l.google.com
• stun2.l.google.com: Failure - Message sent to stun2.l.google.com
• stun3.l.google.com: Failure - Message sent to stun3.l.google.com