NameVirtualHost 192.168.1.79:80

<VirtualHost *:80>
    ServerName mydefaultdomain.net
    ServerAdmin me@mydefaultdomain.net
    DocumentRoot /var/www/mydefaultdomain
    ServerAlias www.mydefaultdomain.net *.mydefaultdomain.net
    ErrorLog logs/mydefaultdomain-error_log
    CustomLog logs/mydefaultdomain-access_log common
</VirtualHost>
<VirtualHost otherdomain.us:80>
    ServerName otherdomain.us
    ServerAdmin me@mydefaultdomain.net
    DocumentRoot /var/www/otherdomain
    ServerAlias www.otherdomain.us *.otherdomain.us
    ErrorLog logs/otherdomain-error_log
    CustomLog logs/otherdomain-access_log common
</VirtualHost>

httpd -S
[Sun Mar 09 10:55:39 2008] [error] (EAI 2)Name or service not known: Could not resolve host name otherdomian.us -- ignoring!
[Sun Mar 09 10:55:39 2008] [warn] NameVirtualHost 192.168.1.79:80 has no VirtualHosts
VirtualHost configuration:
wildcard NameVirtualHosts and _default_ servers:
*:80                   mydefaultdomain.net (/etc/httpd/conf/httpd.conf:991)
Syntax OK