History for pe4.cotf.edu
Domain: cotf.edu • Tracking since 2026-08-04 23:25 UTC
DNS response history for pe4.cotf.edu
pe4.cotf.edu is a DNS nameserver monitored by NameServerHistory. This page provides historical DNS response-time data, nameserver uptime signals, DNS latency observations, resolved IP history, successful response counts, failed response counts, and reliability indicators for this nameserver.
The selected UTC date is 2026-08-12. For this date, NameServerHistory found 62 DNS check records, 62 successful responses, 0 failed responses, and 309 ms average response time. Current selected-date status: At least one successful DNS response was recorded for the selected date.
- Use this report to investigate historical DNS uptime and nameserver reliability.
- Compare DNS latency changes, failed DNS checks, and response behavior over time.
- Review the latest resolved IP address and raw DNS check history for pe4.cotf.edu.
Records on Selected Date
62
Historical checks stored for this nameserver on selected date
Average Latency
309 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-12 23:56
All timestamps shown in UTC
Latest Resolved IP on Selected Date
198.185.178.74
Most recently resolved hosting IP on selected date
Successful Responses
62
Checks that returned a measurable response
Failed Responses
0
Checks with no response or no returned latency
Failure Rate
0%
Based on the selected date history
Selected Date Status
Responsive
At least one successful response exists on selected date
History for pe4.cotf.edu
Showing DNS history for 2026-08-12 UTC. Newest records appear first.
Latency bars are scaled to a maximum of 5000 ms for quick visual comparison.
| # | Query Time (UTC) | Correlation ID | Latency | Response | IP Address |
|---|---|---|---|---|---|
| 62 | 2026-08-12 23:56 | 639221753022017039 |
|
5 ms | 198.185.178.74 |
| 61 | 2026-08-12 23:41 | 639221744107644868 |
|
121 ms | 198.185.178.74 |
| 60 | 2026-08-12 23:26 | 639221735030187244 |
|
236 ms | 198.185.178.74 |
| 59 | 2026-08-12 23:11 | 639221725815508109 |
|
11 ms | 198.185.178.74 |
| 58 | 2026-08-12 22:19 | 639221694790955973 |
|
301 ms | 198.185.178.74 |
| 57 | 2026-08-12 22:04 | 639221685562451720 |
|
11 ms | 198.185.178.74 |
| 56 | 2026-08-12 21:48 | 639221676023655289 |
|
2133 ms | 198.185.178.74 |
| 55 | 2026-08-12 21:32 | 639221666449119409 |
|
236 ms | 198.185.178.74 |
| 54 | 2026-08-12 20:40 | 639221635456432556 |
|
254 ms | 198.185.178.74 |
| 53 | 2026-08-12 20:25 | 639221626313054202 |
|
274 ms | 198.185.178.74 |
| 52 | 2026-08-12 20:09 | 639221617091958857 |
|
242 ms | 198.185.178.74 |
| 51 | 2026-08-12 19:54 | 639221607786737151 |
|
233 ms | 198.185.178.74 |
| 50 | 2026-08-12 19:02 | 639221576664330059 |
|
2135 ms | 198.185.178.74 |
| 49 | 2026-08-12 18:47 | 639221567514216674 |
|
250 ms | 198.185.178.74 |
| 48 | 2026-08-12 18:31 | 639221558399762524 |
|
150 ms | 198.185.178.74 |
| 47 | 2026-08-12 18:16 | 639221549052016282 |
|
237 ms | 198.185.178.74 |
| 46 | 2026-08-12 17:24 | 639221517673834934 |
|
116 ms | 198.185.178.74 |
| 45 | 2026-08-12 17:08 | 639221508282311633 |
|
237 ms | 198.185.178.74 |
| 44 | 2026-08-12 16:52 | 639221498786324983 |
|
230 ms | 198.185.178.74 |
| 43 | 2026-08-12 16:36 | 639221489157589737 |
|
231 ms | 198.185.178.74 |
| 42 | 2026-08-12 15:44 | 639221457655914645 |
|
231 ms | 198.185.178.74 |
| 41 | 2026-08-12 15:28 | 639221448164090526 |
|
236 ms | 198.185.178.74 |
| 40 | 2026-08-12 15:12 | 639221438725783630 |
|
233 ms | 198.185.178.74 |
| 39 | 2026-08-12 14:56 | 639221429178071087 |
|
235 ms | 198.185.178.74 |
| 38 | 2026-08-12 14:04 | 639221397761278719 |
|
232 ms | 198.185.178.74 |
| 37 | 2026-08-12 13:48 | 639221388200567278 |
|
232 ms | 198.185.178.74 |
| 36 | 2026-08-12 13:32 | 639221378483570949 |
|
232 ms | 198.185.178.74 |
| 35 | 2026-08-12 13:16 | 639221368872360139 |
|
234 ms | 198.185.178.74 |
| 34 | 2026-08-12 12:23 | 639221337226647415 |
|
231 ms | 198.185.178.74 |
| 33 | 2026-08-12 12:08 | 639221327924087446 |
|
2247 ms | 198.185.178.74 |
| 32 | 2026-08-12 11:52 | 639221318096976375 |
|
236 ms | 198.185.178.74 |
| 31 | 2026-08-12 11:35 | 639221308343145274 |
|
231 ms | 198.185.178.74 |
| 30 | 2026-08-12 10:43 | 639221277089610470 |
|
110 ms | 198.185.178.74 |
| 29 | 2026-08-12 10:27 | 639221267628136359 |
|
231 ms | 198.185.178.74 |
| 28 | 2026-08-12 10:11 | 639221257907569952 |
|
237 ms | 198.185.178.74 |
| 27 | 2026-08-12 09:55 | 639221248402420965 |
|
225 ms | 198.185.178.74 |
| 26 | 2026-08-12 09:02 | 639221216797540533 |
|
2 ms | 198.185.178.74 |
| 25 | 2026-08-12 08:47 | 639221207385792352 |
|
2 ms | 198.185.178.74 |
| 24 | 2026-08-12 08:31 | 639221198078534844 |
|
240 ms | 198.185.178.74 |
| 23 | 2026-08-12 08:16 | 639221188677585577 |
|
3 ms | 198.185.178.74 |
| 22 | 2026-08-12 07:24 | 639221157276484143 |
|
3 ms | 198.185.178.74 |
| 21 | 2026-08-12 07:08 | 639221147876262183 |
|
240 ms | 198.185.178.74 |
| 20 | 2026-08-12 06:52 | 639221138388812469 |
|
230 ms | 198.185.178.74 |
| 19 | 2026-08-12 06:37 | 639221128987381118 |
|
257 ms | 198.185.178.74 |
| 18 | 2026-08-12 05:45 | 639221097816416095 |
|
7 ms | 198.185.178.74 |
| 17 | 2026-08-12 05:29 | 639221088508065616 |
|
230 ms | 198.185.178.74 |
| 16 | 2026-08-12 05:13 | 639221079092308503 |
|
231 ms | 198.185.178.74 |
| 15 | 2026-08-12 04:58 | 639221069595873597 |
|
230 ms | 198.185.178.74 |
| 14 | 2026-08-12 04:06 | 639221038601577496 |
|
119 ms | 198.185.178.74 |
| 13 | 2026-08-12 03:51 | 639221029533901299 |
|
230 ms | 198.185.178.74 |
| 12 | 2026-08-12 03:35 | 639221020333828965 |
|
113 ms | 198.185.178.74 |
| 11 | 2026-08-12 03:20 | 639221011110510484 |
|
232 ms | 198.185.178.74 |
| 10 | 2026-08-12 02:28 | 639220979815209769 |
|
7 ms | 198.185.178.74 |
| 9 | 2026-08-12 02:13 | 639220970971410921 |
|
238 ms | 198.185.178.74 |
| 8 | 2026-08-12 01:58 | 639220961848982361 |
|
122 ms | 198.185.178.74 |
| 7 | 2026-08-12 01:43 | 639220952784591501 |
|
235 ms | 198.185.178.74 |
| 6 | 2026-08-12 01:28 | 639220943893596731 |
|
117 ms | 198.185.178.74 |
| 5 | 2026-08-12 01:13 | 639220934954704520 |
|
229 ms | 198.185.178.74 |
| 4 | 2026-08-12 00:58 | 639220925792457751 |
|
119 ms | 198.185.178.74 |
| 3 | 2026-08-12 00:42 | 639220916610063538 |
|
232 ms | 198.185.178.74 |
| 2 | 2026-08-12 00:27 | 639220907229361754 |
|
2007 ms | 198.185.178.74 |
| 1 | 2026-08-12 00:11 | 639220897896762127 |
|
230 ms | 198.185.178.74 |