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 2026-08-13. For this date, NameServerHistory found 71 DNS check records, 71 successful responses, 0 failed responses, and 428 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
71
Historical checks stored for this nameserver on selected date
Average Latency
428 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-13 23:43
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
71
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 2026-08-13 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 |
|---|---|---|---|---|---|
| 71 | 2026-08-13 23:43 | 639222608688333012 |
|
111 ms | 198.185.178.74 |
| 70 | 2026-08-13 23:27 | 639222598741756356 |
|
231 ms | 198.185.178.74 |
| 69 | 2026-08-13 23:10 | 639222588615244093 |
|
2123 ms | 198.185.178.74 |
| 68 | 2026-08-13 22:16 | 639222556495289724 |
|
238 ms | 198.185.178.74 |
| 67 | 2026-08-13 22:00 | 639222546477917698 |
|
238 ms | 198.185.178.74 |
| 66 | 2026-08-13 21:43 | 639222536257653790 |
|
230 ms | 198.185.178.74 |
| 65 | 2026-08-13 21:26 | 639222525833084485 |
|
230 ms | 198.185.178.74 |
| 64 | 2026-08-13 21:08 | 639222515446085004 |
|
10 ms | 198.185.178.74 |
| 63 | 2026-08-13 20:51 | 639222505166766781 |
|
113 ms | 198.185.178.74 |
| 62 | 2026-08-13 20:34 | 639222494930541001 |
|
232 ms | 198.185.178.74 |
| 61 | 2026-08-13 20:17 | 639222484469216890 |
|
232 ms | 198.185.178.74 |
| 60 | 2026-08-13 19:59 | 639222474270039940 |
|
229 ms | 198.185.178.74 |
| 59 | 2026-08-13 19:42 | 639222464005587385 |
|
139 ms | 198.185.178.74 |
| 58 | 2026-08-13 19:25 | 639222453485975041 |
|
242 ms | 198.185.178.74 |
| 57 | 2026-08-13 19:07 | 639222442984828770 |
|
235 ms | 198.185.178.74 |
| 56 | 2026-08-13 18:13 | 639222410191353397 |
|
232 ms | 198.185.178.74 |
| 55 | 2026-08-13 17:56 | 639222399952628376 |
|
231 ms | 198.185.178.74 |
| 54 | 2026-08-13 17:39 | 639222389608608647 |
|
233 ms | 198.185.178.74 |
| 53 | 2026-08-13 17:22 | 639222379604012481 |
|
230 ms | 198.185.178.74 |
| 52 | 2026-08-13 17:05 | 639222369372672858 |
|
250 ms | 198.185.178.74 |
| 51 | 2026-08-13 16:48 | 639222359096909298 |
|
229 ms | 198.185.178.74 |
| 50 | 2026-08-13 16:31 | 639222348814301655 |
|
243 ms | 198.185.178.74 |
| 49 | 2026-08-13 16:14 | 639222338608331104 |
|
10 ms | 198.185.178.74 |
| 48 | 2026-08-13 15:57 | 639222328204609760 |
|
237 ms | 198.185.178.74 |
| 47 | 2026-08-13 15:39 | 639222317859759909 |
|
248 ms | 198.185.178.74 |
| 46 | 2026-08-13 15:22 | 639222307560137918 |
|
231 ms | 198.185.178.74 |
| 45 | 2026-08-13 15:05 | 639222297274357149 |
|
234 ms | 198.185.178.74 |
| 44 | 2026-08-13 14:10 | 639222265004477827 |
|
113 ms | 198.185.178.74 |
| 43 | 2026-08-13 13:54 | 639222255176583683 |
|
112 ms | 198.185.178.74 |
| 42 | 2026-08-13 13:37 | 639222245340146131 |
|
239 ms | 198.185.178.74 |
| 41 | 2026-08-13 13:21 | 639222235662219956 |
|
2009 ms | 198.185.178.74 |
| 40 | 2026-08-13 13:05 | 639222225817223284 |
|
234 ms | 198.185.178.74 |
| 39 | 2026-08-13 12:49 | 639222216341869648 |
|
114 ms | 198.185.178.74 |
| 38 | 2026-08-13 12:33 | 639222206848442189 |
|
229 ms | 198.185.178.74 |
| 37 | 2026-08-13 12:17 | 639222197538963225 |
|
228 ms | 198.185.178.74 |
| 36 | 2026-08-13 12:02 | 639222188113685569 |
|
248 ms | 198.185.178.74 |
| 35 | 2026-08-13 11:46 | 639222178880138458 |
|
2009 ms | 198.185.178.74 |
| 34 | 2026-08-13 11:31 | 639222169343013317 |
|
2354 ms | 198.185.178.74 |
| 33 | 2026-08-13 11:15 | 639222159910600596 |
|
2109 ms | 198.185.178.74 |
| 32 | 2026-08-13 10:22 | 639222128676274866 |
|
230 ms | 198.185.178.74 |
| 31 | 2026-08-13 10:07 | 639222119169781983 |
|
230 ms | 198.185.178.74 |
| 30 | 2026-08-13 09:51 | 639222109996148889 |
|
234 ms | 198.185.178.74 |
| 29 | 2026-08-13 09:36 | 639222100791323799 |
|
4121 ms | 198.185.178.74 |
| 28 | 2026-08-13 09:21 | 639222091647893142 |
|
237 ms | 198.185.178.74 |
| 27 | 2026-08-13 09:05 | 639222082524717649 |
|
244 ms | 198.185.178.74 |
| 26 | 2026-08-13 08:50 | 639222073378630456 |
|
241 ms | 198.185.178.74 |
| 25 | 2026-08-13 08:35 | 639222064537306701 |
|
229 ms | 198.185.178.74 |
| 24 | 2026-08-13 08:21 | 639222055409471864 |
|
12 ms | 198.185.178.74 |
| 23 | 2026-08-13 08:05 | 639222046117152411 |
|
229 ms | 198.185.178.74 |
| 22 | 2026-08-13 07:50 | 639222036915107067 |
|
108 ms | 198.185.178.74 |
| 21 | 2026-08-13 07:34 | 639222027654889141 |
|
230 ms | 198.185.178.74 |
| 20 | 2026-08-13 06:43 | 639221996824612035 |
|
106 ms | 198.185.178.74 |
| 19 | 2026-08-13 06:28 | 639221987863418113 |
|
12 ms | 198.185.178.74 |
| 18 | 2026-08-13 06:13 | 639221979006823112 |
|
266 ms | 198.185.178.74 |
| 17 | 2026-08-13 05:58 | 639221970068466615 |
|
2122 ms | 198.185.178.74 |
| 16 | 2026-08-13 05:43 | 639221961001585139 |
|
232 ms | 198.185.178.74 |
| 15 | 2026-08-13 05:28 | 639221952104046397 |
|
234 ms | 198.185.178.74 |
| 14 | 2026-08-13 05:13 | 639221943247694484 |
|
6 ms | 198.185.178.74 |
| 13 | 2026-08-13 04:59 | 639221934603388241 |
|
234 ms | 198.185.178.74 |
| 12 | 2026-08-13 04:44 | 639221925729273358 |
|
110 ms | 198.185.178.74 |
| 11 | 2026-08-13 04:29 | 639221916777813401 |
|
4 ms | 198.185.178.74 |
| 10 | 2026-08-13 04:14 | 639221907816913910 |
|
123 ms | 198.185.178.74 |
| 9 | 2026-08-13 03:59 | 639221898639694322 |
|
229 ms | 198.185.178.74 |
| 8 | 2026-08-13 03:08 | 639221868257567489 |
|
236 ms | 198.185.178.74 |
| 7 | 2026-08-13 02:54 | 639221859270235608 |
|
267 ms | 198.185.178.74 |
| 6 | 2026-08-13 02:38 | 639221850184464515 |
|
237 ms | 198.185.178.74 |
| 5 | 2026-08-13 02:23 | 639221841141973425 |
|
2108 ms | 198.185.178.74 |
| 4 | 2026-08-13 01:32 | 639221810548753083 |
|
6 ms | 198.185.178.74 |
| 3 | 2026-08-13 01:17 | 639221801656796262 |
|
5 ms | 198.185.178.74 |
| 2 | 2026-08-13 01:02 | 639221792658715334 |
|
26 ms | 198.185.178.74 |
| 1 | 2026-08-13 00:47 | 639221783571379176 |
|
9 ms | 198.185.178.74 |