History for ns2.cogentfirst.com
Domain: cogentfirst.com • Tracking since 2026-08-04 23:25 UTC
DNS response history for ns2.cogentfirst.com
ns2.cogentfirst.com 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 2026-08-24. For this date, NameServerHistory found 112 DNS check records, 112 successful responses, 0 failed responses, and 288 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 ns2.cogentfirst.com.
Records on Selected Date
112
Historical checks stored for this nameserver on selected date
Average Latency
288 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-24 23:53
All timestamps shown in UTC
Latest Resolved IP on Selected Date
98.82.42.139
Most recently resolved hosting IP on selected date
Successful Responses
112
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 ns2.cogentfirst.com
Showing DNS history for 2026-08-24 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 |
|---|---|---|---|---|---|
| 112 | 2026-08-24 23:53 | 639232119551972438 |
|
2108 ms | 98.82.42.139 |
| 111 | 2026-08-24 23:53 | 639232119551972438 |
|
2108 ms | 52.201.53.166 |
| 110 | 2026-08-24 23:36 | 639232109112567473 |
|
2214 ms | 98.82.42.139 |
| 109 | 2026-08-24 23:36 | 639232109112567473 |
|
2214 ms | 52.201.53.166 |
| 108 | 2026-08-24 22:43 | 639232077430823987 |
|
2143 ms | 52.201.53.166 |
| 107 | 2026-08-24 22:43 | 639232077430823987 |
|
2143 ms | 98.82.42.139 |
| 106 | 2026-08-24 22:26 | 639232067340513033 |
|
129 ms | 52.201.53.166 |
| 105 | 2026-08-24 22:26 | 639232067340513033 |
|
129 ms | 98.82.42.139 |
| 104 | 2026-08-24 22:09 | 639232057157944387 |
|
181 ms | 98.82.42.139 |
| 103 | 2026-08-24 22:09 | 639232057157944387 |
|
181 ms | 52.201.53.166 |
| 102 | 2026-08-24 21:52 | 639232046895282144 |
|
203 ms | 98.82.42.139 |
| 101 | 2026-08-24 21:52 | 639232046895282144 |
|
203 ms | 52.201.53.166 |
| 100 | 2026-08-24 20:58 | 639232014356623395 |
|
193 ms | 52.201.53.166 |
| 99 | 2026-08-24 20:58 | 639232014356623395 |
|
193 ms | 98.82.42.139 |
| 98 | 2026-08-24 20:41 | 639232004177831322 |
|
107 ms | 52.201.53.166 |
| 97 | 2026-08-24 20:41 | 639232004177831322 |
|
107 ms | 98.82.42.139 |
| 96 | 2026-08-24 20:24 | 639231993997863976 |
|
119 ms | 52.201.53.166 |
| 95 | 2026-08-24 20:24 | 639231993997863976 |
|
119 ms | 98.82.42.139 |
| 94 | 2026-08-24 20:07 | 639231983967363696 |
|
129 ms | 98.82.42.139 |
| 93 | 2026-08-24 20:07 | 639231983967363696 |
|
129 ms | 52.201.53.166 |
| 92 | 2026-08-24 19:15 | 639231952257842845 |
|
2008 ms | 52.201.53.166 |
| 91 | 2026-08-24 19:15 | 639231952257842845 |
|
2008 ms | 98.82.42.139 |
| 90 | 2026-08-24 18:58 | 639231942277816756 |
|
183 ms | 98.82.42.139 |
| 89 | 2026-08-24 18:58 | 639231942277816756 |
|
183 ms | 52.201.53.166 |
| 88 | 2026-08-24 18:41 | 639231932094180724 |
|
178 ms | 98.82.42.139 |
| 87 | 2026-08-24 18:41 | 639231932094180724 |
|
178 ms | 52.201.53.166 |
| 86 | 2026-08-24 18:24 | 639231922041034838 |
|
14 ms | 52.201.53.166 |
| 85 | 2026-08-24 18:24 | 639231922041034838 |
|
14 ms | 98.82.42.139 |
| 84 | 2026-08-24 17:31 | 639231890488117536 |
|
16 ms | 52.201.53.166 |
| 83 | 2026-08-24 17:31 | 639231890488117536 |
|
16 ms | 98.82.42.139 |
| 82 | 2026-08-24 17:15 | 639231880574255543 |
|
7 ms | 52.201.53.166 |
| 81 | 2026-08-24 17:15 | 639231880574255543 |
|
7 ms | 98.82.42.139 |
| 80 | 2026-08-24 16:58 | 639231870418029045 |
|
110 ms | 52.201.53.166 |
| 79 | 2026-08-24 16:58 | 639231870418029045 |
|
110 ms | 98.82.42.139 |
| 78 | 2026-08-24 16:41 | 639231860258429562 |
|
180 ms | 98.82.42.139 |
| 77 | 2026-08-24 16:41 | 639231860258429562 |
|
180 ms | 52.201.53.166 |
| 76 | 2026-08-24 15:48 | 639231828211839931 |
|
267 ms | 98.82.42.139 |
| 75 | 2026-08-24 15:48 | 639231828211839931 |
|
267 ms | 52.201.53.166 |
| 74 | 2026-08-24 15:31 | 639231818080917481 |
|
14 ms | 52.201.53.166 |
| 73 | 2026-08-24 15:31 | 639231818080917481 |
|
14 ms | 98.82.42.139 |
| 72 | 2026-08-24 15:14 | 639231807961539652 |
|
6 ms | 98.82.42.139 |
| 71 | 2026-08-24 15:14 | 639231807961539652 |
|
6 ms | 52.201.53.166 |
| 70 | 2026-08-24 14:57 | 639231797631669865 |
|
7 ms | 52.201.53.166 |
| 69 | 2026-08-24 14:57 | 639231797631669865 |
|
7 ms | 98.82.42.139 |
| 68 | 2026-08-24 14:04 | 639231765923559455 |
|
8 ms | 52.201.53.166 |
| 67 | 2026-08-24 14:04 | 639231765923559455 |
|
8 ms | 98.82.42.139 |
| 66 | 2026-08-24 13:47 | 639231755868832964 |
|
114 ms | 98.82.42.139 |
| 65 | 2026-08-24 13:47 | 639231755868832964 |
|
114 ms | 52.201.53.166 |
| 64 | 2026-08-24 13:30 | 639231745628278877 |
|
1580 ms | 52.201.53.166 |
| 63 | 2026-08-24 13:30 | 639231745628278877 |
|
1580 ms | 98.82.42.139 |
| 62 | 2026-08-24 13:13 | 639231735407682062 |
|
458 ms | 52.201.53.166 |
| 61 | 2026-08-24 13:13 | 639231735407682062 |
|
458 ms | 98.82.42.139 |
| 60 | 2026-08-24 12:20 | 639231703815441688 |
|
128 ms | 52.201.53.166 |
| 59 | 2026-08-24 12:20 | 639231703815441688 |
|
128 ms | 98.82.42.139 |
| 58 | 2026-08-24 12:04 | 639231693747052549 |
|
211 ms | 52.201.53.166 |
| 57 | 2026-08-24 12:04 | 639231693747052549 |
|
211 ms | 98.82.42.139 |
| 56 | 2026-08-24 11:47 | 639231683712487276 |
|
201 ms | 98.82.42.139 |
| 55 | 2026-08-24 11:47 | 639231683712487276 |
|
201 ms | 52.201.53.166 |
| 54 | 2026-08-24 11:30 | 639231673513573868 |
|
149 ms | 52.201.53.166 |
| 53 | 2026-08-24 11:30 | 639231673513573868 |
|
149 ms | 98.82.42.139 |
| 52 | 2026-08-24 10:37 | 639231641791249939 |
|
182 ms | 52.201.53.166 |
| 51 | 2026-08-24 10:37 | 639231641791249939 |
|
182 ms | 98.82.42.139 |
| 50 | 2026-08-24 10:20 | 639231631866211033 |
|
102 ms | 98.82.42.139 |
| 49 | 2026-08-24 10:20 | 639231631866211033 |
|
102 ms | 52.201.53.166 |
| 48 | 2026-08-24 10:03 | 639231621644955316 |
|
182 ms | 52.201.53.166 |
| 47 | 2026-08-24 10:03 | 639231621644955316 |
|
182 ms | 98.82.42.139 |
| 46 | 2026-08-24 09:46 | 639231611478799259 |
|
109 ms | 52.201.53.166 |
| 45 | 2026-08-24 09:46 | 639231611478799259 |
|
109 ms | 98.82.42.139 |
| 44 | 2026-08-24 08:54 | 639231579923718211 |
|
181 ms | 98.82.42.139 |
| 43 | 2026-08-24 08:54 | 639231579923718211 |
|
181 ms | 52.201.53.166 |
| 42 | 2026-08-24 08:37 | 639231569810702936 |
|
107 ms | 98.82.42.139 |
| 41 | 2026-08-24 08:37 | 639231569810702936 |
|
107 ms | 52.201.53.166 |
| 40 | 2026-08-24 08:20 | 639231559762411619 |
|
3 ms | 52.201.53.166 |
| 39 | 2026-08-24 08:20 | 639231559762411619 |
|
3 ms | 98.82.42.139 |
| 38 | 2026-08-24 08:03 | 639231549663595407 |
|
196 ms | 52.201.53.166 |
| 37 | 2026-08-24 08:03 | 639231549663595407 |
|
196 ms | 98.82.42.139 |
| 36 | 2026-08-24 07:11 | 639231518076817246 |
|
3 ms | 52.201.53.166 |
| 35 | 2026-08-24 07:11 | 639231518076817246 |
|
3 ms | 98.82.42.139 |
| 34 | 2026-08-24 06:54 | 639231508078650885 |
|
54 ms | 52.201.53.166 |
| 33 | 2026-08-24 06:54 | 639231508078650885 |
|
54 ms | 98.82.42.139 |
| 32 | 2026-08-24 06:38 | 639231498210697093 |
|
2 ms | 98.82.42.139 |
| 31 | 2026-08-24 06:38 | 639231498210697093 |
|
2 ms | 52.201.53.166 |
| 30 | 2026-08-24 06:21 | 639231488109699360 |
|
26 ms | 98.82.42.139 |
| 29 | 2026-08-24 06:21 | 639231488109699360 |
|
26 ms | 52.201.53.166 |
| 28 | 2026-08-24 05:29 | 639231456772510692 |
|
195 ms | 98.82.42.139 |
| 27 | 2026-08-24 05:29 | 639231456772510692 |
|
195 ms | 52.201.53.166 |
| 26 | 2026-08-24 05:13 | 639231447084631185 |
|
181 ms | 98.82.42.139 |
| 25 | 2026-08-24 05:13 | 639231447084631185 |
|
181 ms | 52.201.53.166 |
| 24 | 2026-08-24 04:56 | 639231437208519473 |
|
189 ms | 52.201.53.166 |
| 23 | 2026-08-24 04:56 | 639231437208519473 |
|
189 ms | 98.82.42.139 |
| 22 | 2026-08-24 04:39 | 639231427209627490 |
|
112 ms | 98.82.42.139 |
| 21 | 2026-08-24 04:39 | 639231427209627490 |
|
112 ms | 52.201.53.166 |
| 20 | 2026-08-24 03:47 | 639231395791246644 |
|
95 ms | 52.201.53.166 |
| 19 | 2026-08-24 03:47 | 639231395791246644 |
|
95 ms | 98.82.42.139 |
| 18 | 2026-08-24 03:31 | 639231386075551458 |
|
4 ms | 98.82.42.139 |
| 17 | 2026-08-24 03:31 | 639231386075551458 |
|
4 ms | 52.201.53.166 |
| 16 | 2026-08-24 03:14 | 639231376208713791 |
|
4 ms | 52.201.53.166 |
| 15 | 2026-08-24 03:14 | 639231376208713791 |
|
4 ms | 98.82.42.139 |
| 14 | 2026-08-24 02:58 | 639231366170589276 |
|
4 ms | 98.82.42.139 |
| 13 | 2026-08-24 02:58 | 639231366170589276 |
|
4 ms | 52.201.53.166 |
| 12 | 2026-08-24 02:05 | 639231334732159368 |
|
177 ms | 98.82.42.139 |
| 11 | 2026-08-24 02:05 | 639231334732159368 |
|
177 ms | 52.201.53.166 |
| 10 | 2026-08-24 01:49 | 639231325035670078 |
|
273 ms | 98.82.42.139 |
| 9 | 2026-08-24 01:49 | 639231325035670078 |
|
273 ms | 52.201.53.166 |
| 8 | 2026-08-24 01:33 | 639231315132253837 |
|
179 ms | 98.82.42.139 |
| 7 | 2026-08-24 01:33 | 639231315132253837 |
|
179 ms | 52.201.53.166 |
| 6 | 2026-08-24 01:16 | 639231305014280808 |
|
178 ms | 52.201.53.166 |
| 5 | 2026-08-24 01:16 | 639231305014280808 |
|
178 ms | 98.82.42.139 |
| 4 | 2026-08-24 00:24 | 639231273779380675 |
|
32 ms | 98.82.42.139 |
| 3 | 2026-08-24 00:24 | 639231273779380675 |
|
32 ms | 52.201.53.166 |
| 2 | 2026-08-24 00:08 | 639231264180839154 |
|
10 ms | 52.201.53.166 |
| 1 | 2026-08-24 00:08 | 639231264180839154 |
|
10 ms | 98.82.42.139 |