Use the DNS Server Statistics window to view the DNS (Domain Name System) server statistics for DNS Groups.
On the SBC main screen, navigate to All > Address Context > DNS Group > DNS Server Statistics. The DNS Server Statistics window is displayed. The DNS Server Statistics for all DNS Groups can be listed, or the list can be filtered for a specific address context and DNS Group. Use the drop-down lists to select an Address Context and DNS Group.
Figure 1: DNS Server Statistics
The window contains the following data:
Table 1: DNS Server Statistics Parameters
| Parameter | Description |
|---|---|
| Index | The index for the DNS server |
| IP Address V4 or V6 | The IP address of the DNS server for the statistics data. |
| Queries | The number of queries to the DNS server for this DNS group. |
| Timeouts | The number of timeouts from queries to the DNS server for this DNS group. |
| Errors | The number of errors from queries to this DNS server. |
| Referrals | The number of referrals from queries to the DNS server for this DNS group. |
| Total TCP Connection | The number of attempts to connect to the DNS server for this DNS group. |
| TCP Connection Failed | The priority for the DNS entry. |
| TCP Connection Success | The number of successful TCP connections to the DNS server for this DNS group. |
| TCP Connectiontorndown | The number of TCP connections torn down with DNS server for this DNS group. |
| TCP Fallback | The number of times TCP fallback occurred for this DNS server for this DNS group. |
| Edns Status | The current EDNS status for the DNS server in this DNS group. (supported/unsupported/monitoring) |
| Edns Failures | The number of eDNS query failures for the selected DNS server. |
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