I have an email list like following :
Which have 3 Emails of hackerone.com,3 Emails of bugcrowd.com and 2 emails of fb.com
===================================================================

test@hackerone.com
ceo@bugcrowd.com
woot@bugcrowd.com
six@fb.com
john@hackerone.com
katie@bugcrowd.com
nigga@hackerone.com
hi@fb.com

I want to sort them based on their domain order like following:
==============================================================
test@hackerone.com
john@hackerone.com
nigga@hackerone.com
ceo@bugcrowd.com
woot@bugcrowd.com
katie@bugcrowd.com
six@fb.com
hi@fb.com