dns_txt.py

#!/usr/bin/env python2

from __future__ import print_function
from dns import resolver
from StringIO import StringIO
import sys


buff = StringIO()
answers = resolver.query(sys.argv[1], 'TXT')
for rdata in answers:
    for txt in rdata.strings:
        buff.write(txt)
buff.seek(0)
txt = buff.read()
if len(sys.argv) > 2:
    target = sys.argv[2]
    print("")
    print("Same lenght", len(txt), len(target))
    print(txt)
    print(target)
    for idx, letter in enumerate(txt):
        if target[idx] != letter:
            print("^", end="")
        else:
            print(" ", end="")