data-cfemail
примерно такого вида data-cfemail="3b55545654585a0d080c0d7b575a5c4852434f54565e15585456"
def decode_email(e):
email = ""
k = int(e[:2], 16)
for i in range(2, len(e)-1, 2):
email += chr(int(e[i:i+2], 16)^k)
return email
print(decode_email('3b55545654585a0d080c0d7b575a5c4852434f54565e15585456'))
nomoca6376@lagsixtome.com