50AXIS 241QA/AXIS 241SA - System options
Notes: | • | The ARP/Ping service is automatically disabled two minutes after the unit is started, or as |
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| soon as an IP address is set. |
| • | Pinging the unit will still be possible when this service is disabled. |
AXIS Internet Dynamic DNS Service - If the AXIS 241QA/AXIS 241SA has been registered with the Axis Internet Dynamic DNS service and the IP address for the product changes, the service is updated to reflect the change. Check the box to enable/disable automatic updates.
The domain name currently registered at the Axis Internet Dynamic DNS service for your product can at any time be removed. To do this click Settings... and follow the instructions. For more information, please refer to the online help 
Network - Advanced TCP/IP settings
DNS configuration
DNS (Domain Name System) provides the translation of host names to IP addresses on your network.
Obtain DNS server address via DHCP - automatically use the DNS server settings provided by the DHCP server. Click the View button to see the current settings.
Use the following DNS server address - enter the desired DNS server by specifying the following:
Domain name - enter the domain(s) to search for the host name used by the AXIS 241QA/AXIS 241SA. Multiple domains can be separated by semicolons (;). The host name is always the first part of a Fully Qualified Domain Name, e.g. myserver is the host name in the Fully Qualified Domain Name myserver.mycompany.com where mycompany.com is the Domain name.
DNS servers - enter the IP addresses of the primary and secondary DNS servers.
NTP Configuration
Obtain NTP server address via DHCP - use a DHCP server to automatically find an NTP server to synchronize clock of the AXIS 241QA/AXIS 241SA with the other devices on the network
Use the following NTP server address - use the host name or IP address of a specific NTP server for time synchronization.
Host Name Configuration
The AXIS AXIS 241QA/AXIS 241SA can be accessed using a host name, instead of an IP address. The host name is usually the same as the assigned DNS Name.
For more information, please see Security, on page 45.