[cc lang='bash']
\$ yum install python-twisted

\$ vi test.zone
\$ twistd dns --pyzone test.zone --interface 127.0.0.1 --port 53053
\$ netstat -tulnp | grep 53053
tcp 0 0 127.0.0.1:53053 0.0.0.0:* LISTEN 14391/python
udp 0 0 127.0.0.1:53053 0.0.0.0:* 14391/python

\$ dig test +short @127.0.0.1 -p 53053
192.168.10.10
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test.zone
[cc lang='bash']
zone = [
SOA(
# For whom we are the authority
'test',

# This nameserver's name
mname = "localhost",

# Mailbox of individual who handles this
rname = "root",

# Unique serial identifying this SOA data
serial = 2012071401,

# Time interval before zone should be refreshed
refresh = "1H",

# Interval before failed refresh should be retried
retry = "1H",

# Upper limit on time interval before expiry
expire = "1H",

# Minimum TTL
minimum = "1H"
),

NS('test', '127.0.0.1'),
A('test', '192.168.10.10'),

CNAME('www.test', 'test'),
CNAME('ftp.test', 'test'),

MX('test', 0, 'mail.test'),
A('mail.test', '192.168.10.20')
]
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