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 2026-08-10. For this date, NameServerHistory found 81 DNS check records, 81 successful responses, 0 failed responses, and 358 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
81
Historical checks stored for this nameserver on selected date
Average Latency
358 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-10 23:46
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
81
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 2026-08-10 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 |
|---|---|---|---|---|---|
| 81 | 2026-08-10 23:46 | 639220018272941900 |
|
118 ms | 198.185.178.74 |
| 80 | 2026-08-10 23:30 | 639220009109892969 |
|
230 ms | 198.185.178.74 |
| 79 | 2026-08-10 23:15 | 639220000040489788 |
|
235 ms | 198.185.178.74 |
| 78 | 2026-08-10 23:00 | 639219991197135747 |
|
116 ms | 198.185.178.74 |
| 77 | 2026-08-10 22:45 | 639219982104540014 |
|
243 ms | 198.185.178.74 |
| 76 | 2026-08-10 22:30 | 639219973150300215 |
|
109 ms | 198.185.178.74 |
| 75 | 2026-08-10 22:15 | 639219964188486697 |
|
4118 ms | 198.185.178.74 |
| 74 | 2026-08-10 22:00 | 639219954995921784 |
|
231 ms | 198.185.178.74 |
| 73 | 2026-08-10 21:45 | 639219945559908104 |
|
235 ms | 198.185.178.74 |
| 72 | 2026-08-10 20:52 | 639219914137782273 |
|
2122 ms | 198.185.178.74 |
| 71 | 2026-08-10 20:37 | 639219904858355064 |
|
232 ms | 198.185.178.74 |
| 70 | 2026-08-10 20:21 | 639219895655263396 |
|
231 ms | 198.185.178.74 |
| 69 | 2026-08-10 20:06 | 639219886527091074 |
|
7 ms | 198.185.178.74 |
| 68 | 2026-08-10 19:50 | 639219877343266628 |
|
9 ms | 198.185.178.74 |
| 67 | 2026-08-10 19:35 | 639219868177358195 |
|
231 ms | 198.185.178.74 |
| 66 | 2026-08-10 19:20 | 639219859159581515 |
|
117 ms | 198.185.178.74 |
| 65 | 2026-08-10 19:05 | 639219850124020182 |
|
232 ms | 198.185.178.74 |
| 64 | 2026-08-10 18:50 | 639219840940124840 |
|
230 ms | 198.185.178.74 |
| 63 | 2026-08-10 18:34 | 639219831829876486 |
|
245 ms | 198.185.178.74 |
| 62 | 2026-08-10 18:19 | 639219822587759143 |
|
231 ms | 198.185.178.74 |
| 61 | 2026-08-10 18:04 | 639219813247114428 |
|
246 ms | 198.185.178.74 |
| 60 | 2026-08-10 17:12 | 639219781959606396 |
|
124 ms | 198.185.178.74 |
| 59 | 2026-08-10 16:57 | 639219772658305431 |
|
122 ms | 198.185.178.74 |
| 58 | 2026-08-10 16:41 | 639219763454523027 |
|
119 ms | 198.185.178.74 |
| 57 | 2026-08-10 16:26 | 639219754279127815 |
|
115 ms | 198.185.178.74 |
| 56 | 2026-08-10 16:11 | 639219745087467767 |
|
232 ms | 198.185.178.74 |
| 55 | 2026-08-10 15:55 | 639219735900678107 |
|
114 ms | 198.185.178.74 |
| 54 | 2026-08-10 15:40 | 639219726531461979 |
|
232 ms | 198.185.178.74 |
| 53 | 2026-08-10 15:25 | 639219717415222156 |
|
116 ms | 198.185.178.74 |
| 52 | 2026-08-10 15:09 | 639219708266470863 |
|
232 ms | 198.185.178.74 |
| 51 | 2026-08-10 14:54 | 639219699049479559 |
|
246 ms | 198.185.178.74 |
| 50 | 2026-08-10 14:39 | 639219689775815194 |
|
233 ms | 198.185.178.74 |
| 49 | 2026-08-10 14:23 | 639219680511810632 |
|
232 ms | 198.185.178.74 |
| 48 | 2026-08-10 13:31 | 639219648997191257 |
|
118 ms | 198.185.178.74 |
| 47 | 2026-08-10 13:16 | 639219639938909436 |
|
256 ms | 198.185.178.74 |
| 46 | 2026-08-10 13:01 | 639219630718286441 |
|
231 ms | 198.185.178.74 |
| 45 | 2026-08-10 12:45 | 639219621472350410 |
|
240 ms | 198.185.178.74 |
| 44 | 2026-08-10 12:30 | 639219612500421992 |
|
267 ms | 198.185.178.74 |
| 43 | 2026-08-10 12:15 | 639219603383833445 |
|
234 ms | 198.185.178.74 |
| 42 | 2026-08-10 12:00 | 639219594143823358 |
|
238 ms | 198.185.178.74 |
| 41 | 2026-08-10 11:44 | 639219585053166024 |
|
233 ms | 198.185.178.74 |
| 40 | 2026-08-10 11:29 | 639219575885776644 |
|
240 ms | 198.185.178.74 |
| 39 | 2026-08-10 11:14 | 639219566844532361 |
|
133 ms | 198.185.178.74 |
| 38 | 2026-08-10 10:59 | 639219557705808294 |
|
233 ms | 198.185.178.74 |
| 37 | 2026-08-10 10:44 | 639219548482688649 |
|
232 ms | 198.185.178.74 |
| 36 | 2026-08-10 09:50 | 639219517492763539 |
|
112 ms | 198.185.178.74 |
| 35 | 2026-08-10 09:36 | 639219508755773605 |
|
125 ms | 198.185.178.74 |
| 34 | 2026-08-10 09:21 | 639219499852103863 |
|
229 ms | 198.185.178.74 |
| 33 | 2026-08-10 09:06 | 639219490893714387 |
|
115 ms | 198.185.178.74 |
| 32 | 2026-08-10 08:51 | 639219482299305521 |
|
2115 ms | 198.185.178.74 |
| 31 | 2026-08-10 08:37 | 639219473613114853 |
|
109 ms | 198.185.178.74 |
| 30 | 2026-08-10 08:23 | 639219465061138643 |
|
252 ms | 198.185.178.74 |
| 29 | 2026-08-10 08:09 | 639219456616129015 |
|
7 ms | 198.185.178.74 |
| 28 | 2026-08-10 07:54 | 639219447974008557 |
|
110 ms | 198.185.178.74 |
| 27 | 2026-08-10 07:40 | 639219439498255213 |
|
2125 ms | 198.185.178.74 |
| 26 | 2026-08-10 07:26 | 639219430664872256 |
|
2007 ms | 198.185.178.74 |
| 25 | 2026-08-10 07:11 | 639219421757560037 |
|
2286 ms | 198.185.178.74 |
| 24 | 2026-08-10 06:20 | 639219390773218684 |
|
4 ms | 198.185.178.74 |
| 23 | 2026-08-10 06:06 | 639219382205367722 |
|
10 ms | 198.185.178.74 |
| 22 | 2026-08-10 05:51 | 639219373711937615 |
|
18 ms | 198.185.178.74 |
| 21 | 2026-08-10 05:37 | 639219365088558404 |
|
23 ms | 198.185.178.74 |
| 20 | 2026-08-10 05:23 | 639219356348833255 |
|
6 ms | 198.185.178.74 |
| 19 | 2026-08-10 05:08 | 639219347860053478 |
|
11 ms | 198.185.178.74 |
| 18 | 2026-08-10 04:54 | 639219339173195121 |
|
13 ms | 198.185.178.74 |
| 17 | 2026-08-10 04:39 | 639219330642664669 |
|
248 ms | 198.185.178.74 |
| 16 | 2026-08-10 04:25 | 639219322058698995 |
|
242 ms | 198.185.178.74 |
| 15 | 2026-08-10 04:11 | 639219313564344199 |
|
245 ms | 198.185.178.74 |
| 14 | 2026-08-10 03:57 | 639219304775113236 |
|
246 ms | 198.185.178.74 |
| 13 | 2026-08-10 03:42 | 639219295706181119 |
|
246 ms | 198.185.178.74 |
| 12 | 2026-08-10 02:50 | 639219264663923254 |
|
2 ms | 198.185.178.74 |
| 11 | 2026-08-10 02:36 | 639219256015178099 |
|
2117 ms | 198.185.178.74 |
| 10 | 2026-08-10 02:21 | 639219247509540188 |
|
113 ms | 198.185.178.74 |
| 9 | 2026-08-10 02:07 | 639219238999539092 |
|
3 ms | 198.185.178.74 |
| 8 | 2026-08-10 01:53 | 639219230498823902 |
|
242 ms | 198.185.178.74 |
| 7 | 2026-08-10 01:38 | 639219221706460911 |
|
3 ms | 198.185.178.74 |
| 6 | 2026-08-10 01:24 | 639219212930606887 |
|
261 ms | 198.185.178.74 |
| 5 | 2026-08-10 01:09 | 639219204307908525 |
|
4 ms | 198.185.178.74 |
| 4 | 2026-08-10 00:55 | 639219195720181470 |
|
242 ms | 198.185.178.74 |
| 3 | 2026-08-10 00:40 | 639219186898174002 |
|
228 ms | 198.185.178.74 |
| 2 | 2026-08-10 00:25 | 639219178004946976 |
|
119 ms | 198.185.178.74 |
| 1 | 2026-08-10 00:10 | 639219168958805474 |
|
242 ms | 198.185.178.74 |