Some CNAME DNS queries fail after latest 10.6.5 update
Here are the simple diagnostic steps:
snowboard:~ pmsjt$ nslookup imap.texair.net.
Server: 192.168.0.14
Address: 192.168.0.14#53
imap.texair.net canonical name = taz.warner.local.
Name: taz.warner.local
Address: 192.168.0.12
snowboard:~ pmsjt$ ping imap.texair.net
ping: cannot resolve imap.texair.net: Unknown host
snowboard:~ pmsjt$
snowboard:~ pmsjt$ ping taz.warner.local
PING taz.warner.local (192.168.0.12): 56 data bytes
64 bytes from 192.168.0.12: icmp_seq=0 ttl=64 time=2.818 ms
64 bytes from 192.168.0.12: icmp_seq=1 ttl=64 time=2.211 ms
64 bytes from 192.168.0.12: icmp_seq=2 ttl=64 time=1.425 ms
64 bytes from 192.168.0.12: icmp_seq=3 ttl=64 time=2.242 ms
64 bytes from 192.168.0.12: icmp_seq=4 ttl=64 time=4.882 ms
64 bytes from 192.168.0.12: icmp_seq=5 ttl=64 time=3.190 ms
^C
--- taz.warner.local ping statistics ---
6 packets transmitted, 6 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 1.425/2.795/4.882/1.083 ms
snowboard:~ pmsjt$
MacBook, Mac OS X (10.6.5), Core 2 Duo 2.4GHz, 4GB RAM