import dns.resolver

results = dns.resolver.query('wordpress.com', 'A')
stringResults = []
for ip in results:
	print(ip.to_text())
	stringResults.append(ip.to_text())

dummyList = ['192.0.78.9', '192.0.78.17', '2.3.4.5']
def diff(li1, li2):
    return (list(list(set(li1)-set(li2)) + list(set(li2)-set(li1))))

print('Diff results: ', diff(stringResults,dummyList))