History for ns4.mcmaster.com
Domain: mcmaster.com • Tracking since 2026-08-04 23:25 UTC
DNS response history for ns4.mcmaster.com
ns4.mcmaster.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 2026-08-21. For this date, NameServerHistory found 73 DNS check records, 72 successful responses, 1 failed responses, and 350 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 ns4.mcmaster.com.
Records on Selected Date
73
Historical checks stored for this nameserver on selected date
Average Latency
350 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-21 23:54
All timestamps shown in UTC
Latest Resolved IP on Selected Date
12.203.197.21
Most recently resolved hosting IP on selected date
Successful Responses
72
Checks that returned a measurable response
Failed Responses
1
Checks with no response or no returned latency
Failure Rate
1%
Based on the selected date history
Selected Date Status
Responsive
At least one successful response exists on selected date
History for ns4.mcmaster.com
Showing DNS history for 2026-08-21 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 |
|---|---|---|---|---|---|
| 73 | 2026-08-21 23:54 | 639229527598660841 |
|
127 ms | 12.203.197.21 |
| 72 | 2026-08-21 23:38 | 639229517954323214 |
|
29 ms | 12.203.197.21 |
| 71 | 2026-08-21 23:22 | 639229508269999021 |
|
44 ms | 12.203.197.21 |
| 70 | 2026-08-21 23:05 | 639229498559060171 |
|
119 ms | 12.203.197.21 |
| 69 | 2026-08-21 22:49 | 639229488519347586 |
|
96 ms | 12.203.197.21 |
| 68 | 2026-08-21 21:56 | 639229456606578934 |
|
111 ms | 12.203.197.21 |
| 67 | 2026-08-21 21:39 | 639229446985772499 |
|
2023 ms | 12.203.197.21 |
| 66 | 2026-08-21 21:23 | 639229437367313098 |
|
109 ms | 12.203.197.21 |
| 65 | 2026-08-21 21:07 | 639229427923950391 |
|
140 ms | 12.203.197.21 |
| 64 | 2026-08-21 20:51 | 639229418168588854 |
|
113 ms | 12.203.197.21 |
| 63 | 2026-08-21 20:35 | 639229408345678334 |
|
130 ms | 12.203.197.21 |
| 62 | 2026-08-21 20:19 | 639229398616354648 |
|
19 ms | 12.203.197.21 |
| 61 | 2026-08-21 20:02 | 639229388634592323 |
|
119 ms | 12.203.197.21 |
| 60 | 2026-08-21 19:46 | 639229378792837692 |
|
32 ms | 12.203.197.21 |
| 59 | 2026-08-21 19:30 | 639229369154682311 |
|
68 ms | 12.203.197.21 |
| 58 | 2026-08-21 19:13 | 639229359248017926 |
|
122 ms | 12.203.197.21 |
| 57 | 2026-08-21 18:56 | 639229349124294642 |
|
116 ms | 12.203.197.21 |
| 56 | 2026-08-21 18:04 | 639229317791715692 |
|
117 ms | 12.203.197.21 |
| 55 | 2026-08-21 17:48 | 639229308115194575 |
|
108 ms | 12.203.197.21 |
| 54 | 2026-08-21 17:32 | 639229298320320558 |
|
23 ms | 12.203.197.21 |
| 53 | 2026-08-21 17:16 | 639229288674863221 |
|
115 ms | 12.203.197.21 |
| 52 | 2026-08-21 16:59 | 639229278983677079 |
|
134 ms | 12.203.197.21 |
| 51 | 2026-08-21 16:43 | 639229269405517175 |
|
128 ms | 12.203.197.21 |
| 50 | 2026-08-21 16:27 | 639229259594798244 |
|
47 ms | 12.203.197.21 |
| 49 | 2026-08-21 16:11 | 639229249736681188 |
|
480 ms | 12.203.197.21 |
| 48 | 2026-08-21 15:54 | 639229239699417787 |
|
141 ms | 12.203.197.21 |
| 47 | 2026-08-21 15:37 | 639229229621964033 |
|
119 ms | 12.203.197.21 |
| 46 | 2026-08-21 15:20 | 639229219567270965 |
|
11 ms | 12.203.197.21 |
| 45 | 2026-08-21 15:04 | 639229209406666856 |
|
121 ms | 12.203.197.21 |
| 44 | 2026-08-21 14:11 | 639229177815876178 |
|
40 ms | 12.203.197.21 |
| 43 | 2026-08-21 13:55 | 639229168243572685 |
|
133 ms | 12.203.197.21 |
| 42 | 2026-08-21 13:39 | 639229158599856475 |
|
132 ms | 12.203.197.21 |
| 41 | 2026-08-21 13:23 | 639229148998940902 |
|
120 ms | 12.203.197.21 |
| 40 | 2026-08-21 13:07 | 639229139276923594 |
|
2020 ms | 12.203.197.21 |
| 39 | 2026-08-21 12:50 | 639229129709912394 |
|
118 ms | 12.203.197.21 |
| 38 | 2026-08-21 12:34 | 639229119801488500 |
|
14 ms | 12.203.197.21 |
| 37 | 2026-08-21 12:18 | 639229110135262458 |
|
119 ms | 12.203.197.21 |
| 36 | 2026-08-21 12:02 | 639229100336051392 |
|
136 ms | 12.203.197.21 |
| 35 | 2026-08-21 11:45 | 639229090641415626 |
|
- | |
| 34 | 2026-08-21 11:29 | 639229080702683947 |
|
14 ms | 12.203.197.21 |
| 33 | 2026-08-21 11:12 | 639229070601456699 |
|
116 ms | 12.203.197.21 |
| 32 | 2026-08-21 10:19 | 639229038947447232 |
|
35 ms | 12.203.197.21 |
| 31 | 2026-08-21 10:03 | 639229029268708773 |
|
162 ms | 12.203.197.21 |
| 30 | 2026-08-21 09:47 | 639229019647910603 |
|
4015 ms | 12.203.197.21 |
| 29 | 2026-08-21 09:31 | 639229009983843738 |
|
137 ms | 12.203.197.21 |
| 28 | 2026-08-21 09:15 | 639229000203331882 |
|
21 ms | 12.203.197.21 |
| 27 | 2026-08-21 08:58 | 639228990302335999 |
|
115 ms | 12.203.197.21 |
| 26 | 2026-08-21 08:42 | 639228980567740722 |
|
114 ms | 12.203.197.21 |
| 25 | 2026-08-21 08:26 | 639228970762445174 |
|
135 ms | 12.203.197.21 |
| 24 | 2026-08-21 08:10 | 639228961065054445 |
|
2014 ms | 12.203.197.21 |
| 23 | 2026-08-21 07:53 | 639228951224649885 |
|
117 ms | 12.203.197.21 |
| 22 | 2026-08-21 07:37 | 639228941303864592 |
|
114 ms | 12.203.197.21 |
| 21 | 2026-08-21 07:20 | 639228931191328583 |
|
124 ms | 12.203.197.21 |
| 20 | 2026-08-21 06:27 | 639228899518173317 |
|
2170 ms | 12.203.197.21 |
| 19 | 2026-08-21 06:11 | 639228889785027669 |
|
118 ms | 12.203.197.21 |
| 18 | 2026-08-21 05:55 | 639228880106330161 |
|
116 ms | 12.203.197.21 |
| 17 | 2026-08-21 05:38 | 639228870316184091 |
|
22 ms | 12.203.197.21 |
| 16 | 2026-08-21 05:22 | 639228860695366512 |
|
112 ms | 12.203.197.21 |
| 15 | 2026-08-21 05:06 | 639228851027209500 |
|
114 ms | 12.203.197.21 |
| 14 | 2026-08-21 04:50 | 639228841479265462 |
|
129 ms | 12.203.197.21 |
| 13 | 2026-08-21 04:34 | 639228831752962260 |
|
129 ms | 12.203.197.21 |
| 12 | 2026-08-21 04:18 | 639228821953295483 |
|
30 ms | 12.203.197.21 |
| 11 | 2026-08-21 04:02 | 639228812227429953 |
|
31 ms | 12.203.197.21 |
| 10 | 2026-08-21 03:45 | 639228802476107538 |
|
144 ms | 12.203.197.21 |
| 9 | 2026-08-21 03:29 | 639228792525492032 |
|
167 ms | 12.203.197.21 |
| 8 | 2026-08-21 02:36 | 639228761131421385 |
|
132 ms | 12.203.197.21 |
| 7 | 2026-08-21 02:20 | 639228751571206692 |
|
121 ms | 12.203.197.21 |
| 6 | 2026-08-21 02:04 | 639228741705571019 |
|
4024 ms | 12.203.197.21 |
| 5 | 2026-08-21 01:47 | 639228731642208228 |
|
2060 ms | 12.203.197.21 |
| 4 | 2026-08-21 00:55 | 639228700387002072 |
|
147 ms | 12.203.197.21 |
| 3 | 2026-08-21 00:39 | 639228690742014433 |
|
45 ms | 12.203.197.21 |
| 2 | 2026-08-21 00:23 | 639228680877937122 |
|
111 ms | 12.203.197.21 |
| 1 | 2026-08-21 00:06 | 639228670775860800 |
|
117 ms | 12.203.197.21 |