| NTP Server | Grade
(Mode) |
| 23.153.56.89 | A- |
| ntp.kerfuffle.net |
30-day Grade History
| A |
A- |
B+ |
A- |
B+ |
A |
A- |
A |
A- |
A- |
A- |
A- |
A |
A- |
A |
A |
A |
A |
A- |
A |
B |
F |
A- |
A |
B+ |
B+ |
D- |
A- |
A- |
A- |
30-day Clock Offset History
+7ms
-7ms
30-day Clock Jitter History
11ms
30-day Round-trip Delay History
61ms
30-day Round-trip Delay Standard Deviation History
4ms
30-day Availability History
100%