results.txt

b.root-servers.net:7 messages, 381787 size of messages wire , 588354 size of messages text, 5928 answers, 8154 records, wire size of records 437327, text size of records 800877

k.root-servers.net:21 messages, 343417 size of messages wire , 590167 size of messages text, 5654 answers, 8154 records, wire size of records 437327, text size of records 791013

c.root-servers.net:7 messages, 381787 size of messages wire , 588354 size of messages text, 5928 answers, 8154 records, wire size of records 437327, text size of records 800877

f.root-servers.net:7 messages, 381899 size of messages wire , 588354 size of messages text, 5932 answers, 8154 records, wire size of records 437327, text size of records 801021

g.root-servers.net:7 messages, 381787 size of messages wire , 588347 size of messages text, 5928 answers, 8154 records, wire size of records 437327, text size of records 800877

k.root-servers.net:21 messages, 343417 size of messages wire , 590167 size of messages text, 5654 answers, 8154 records, wire size of records 437327, text size of records 791013

lax.xfr.dns.icann.org:21 messages, 343417 size of messages wire , 590167 size of messages text, 5654 answers, 8154 records, wire size of records 437327, text size of records 791013

iad.xfr.dns.icann.org:21 messages, 343417 size of messages wire , 590167 size of messages text, 5654 answers, 8154 records, wire size of records 437327, text size of records 791013

test.py

import dns.query
import dns.zone
import dns.tsigkeyring
import dns.tsig
import socket
import sys
import StringIO

def get_stats(xfr):
    zone     = StringIO.StringIO()
    zone_txt = StringIO.StringIO()
    stats = {
            'size'         : 0,
            'size_txt'     : 0,
            'size_msg'     : 0,
            'size_msg_txt' : 0,
            'msg_count'    : 0,
            'rec_count'    : 0,
            'ans_count'    : 0,
            'add_count'    : 0,
            'ques_count'   : 0,
            'auth_count'   : 0}
    origin                 = dns.name.root
    for message in xfr:
        stats['auth_count']   += len(message.authority)
        stats['add_count']    += len(message.additional)
        stats['ques_count']   += len(message.question)
        stats['ans_count']    += len(message.answer)
        stats['size_msg']     += sys.getsizeof(message.to_wire(origin=origin))
        stats['size_msg_txt'] += sys.getsizeof(message.to_text())
        for ans in message.answer:
            stats['rec_count'] += len(ans)
            ans.to_wire(zone, origin=origin)
            stats['size_txt'] += sys.getsizeof(ans.to_text())
        stats['msg_count']  += 1
    stats['size']     = sys.getsizeof(zone.getvalue())
    return stats

for ip in ['192.228.79.201', '193.0.14.129', '192.33.4.12', '192.5.5.241', '192.112.36.4', '193.0.14.129',
    '192.0.32.132', '192.0.47.132']:
    stats = get_stats(dns.query.xfr(ip, '.'))
    host  = socket.gethostbyaddr(ip)[0]
    print '{}:{} messages, {} size of messages wire , {} size of messages text, {} answers, {} records, wire size of records {}, text size of records {}'.format(host,
            stats['msg_count'], stats['size_msg'], stats['size_msg_txt'],
            stats['ans_count'], stats['rec_count'],  stats['size'],
            stats['size_txt'])