Interpreting debug messages

[Adam Smith]

Hello,
I am setting up a nameserver on a FreeBSD O/S 6.x platform. BIND 9.3.1

I am attempting to identify and correct errors from the debug log file, 
which apparently is the named.run file, correct? Using debug level 3

However, there are some output lines on which I seek clarification

[i] /etc/namedb/named.conf:14: undefined ACL '127,0.0.1'

    Line 14 is "      listen-on       { 127,0.0.1; 192.168.50.73; } ;"
    1s ACL here "access control list" What is 'the control' needed here?

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[ii] not listening on any interfaces

    "      listen-on       { 127,0.0.1; 66.93.45.209; } ;"
    on line 14 of named.conf file, is the syntax flawed?

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[iii] zone xtufd.org/IN: skipping load: master file older than last load
          (and all zones in the named.conf file)

     Amazing, I haven't loaded any new files, at least so I think!


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[iv]dns_zone_maintenance: zone xtufd.org/IN: enter
             (several files all in named.conf)
     and then
     dns_zone_maintenance: zone id.server/CH: enter

     what is the significance of the IN vs CH ending


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Don't see any other messages that might indicate failure, yet nslookup 
returns =>
olaf # nslookup xtufd.org
;; connection timed out; no servers could be reached
olaf #

now sending a ping to the server
ping xtufd.org
PING xtufd.org.com (lll.mmm.nnn.ppp): 56 data bytes
64 bytes from lll.mmm.nnn.ppp: icmp_seq=0 ttl=51 time=65.500 ms
64 bytes from lll.mmm.nnn.ppp: icmp_seq=1 ttl=51 time=65.396 ms
64 bytes from lll.mmm.nnn.ppp: icmp_seq=2 ttl=51 time=67.992 ms
64 bytes from lll.mmm.nnn.ppp: icmp_seq=3 ttl=51 time=67.130 ms
64 bytes from lll.mmm.nnn.ppp: icmp_seq=4 ttl=51 time=128.095 ms

--- xtufd.org.com ping statistics ---
5 packets transmitted, 5 packets received, 0% packet loss
round-trip min/avg/max/stddev = 65.396/78.823/128.095/24.656 ms

returns this after a long delay

NOTE:The change from xtufd.org to xtufd.org.com and the IP # pointed to 
is not even remotely related to the system ( an unknown domain )

Pinging from an external shell => the expected response
olaf2 % ping xtufd.org
ping: unknown host xtufd.org