resellerclub https://test.httpapi.com not working in my computer?

[lechuck7]

I am a developer working with resellerclub API.https://test.httpapi.com/api/domains/available.json?auth-userid=0&api-key=key&domain-name=domain1&domain-name=domain2&tlds=com&tlds=netwith above url, I attempt to open in my computer return "too long to response" in all browsers.I contact Reseller Club Support Person, he says "URL is working fine in our site.Check your firewall or Router block https://test.httpapi.com"how to overcome this problem in my computer.Location: IndiaISP: Bharti Airtel OS : Windows 7 UltimateRouter TP-Link 300Mpbs ADSL+Wifi RouterConnected through LANPlease help me to get complete my project in resellerclub api.