shell:$ nslookup -timeout=2 -retry=1 'edu.rcvpn.net'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
edu.rcvpn.net	canonical name = expired.hichina.com.
Name:	expired.hichina.com
Address: 8.218.208.240
Name:	expired.hichina.com
Address: 47.76.127.217
Name:	expired.hichina.com
Address: 47.91.170.222
;; communications error to 75.98.161.224#53: timed out