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 2026-08-15. For this date, NameServerHistory found 76 DNS check records, 75 successful responses, 1 failed responses, and 240 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
76
Historical checks stored for this nameserver on selected date
Average Latency
240 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-15 23:45
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
75
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 2026-08-15 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 |
|---|---|---|---|---|---|
| 76 | 2026-08-15 23:45 | 639224338276675277 |
|
111 ms | 12.203.197.21 |
| 75 | 2026-08-15 22:53 | 639224306594546649 |
|
112 ms | 12.203.197.21 |
| 74 | 2026-08-15 22:37 | 639224297145423303 |
|
114 ms | 12.203.197.21 |
| 73 | 2026-08-15 22:21 | 639224287678238833 |
|
9 ms | 12.203.197.21 |
| 72 | 2026-08-15 22:06 | 639224278490872828 |
|
143 ms | 12.203.197.21 |
| 71 | 2026-08-15 21:50 | 639224269149307826 |
|
121 ms | 12.203.197.21 |
| 70 | 2026-08-15 21:35 | 639224259868597616 |
|
132 ms | 12.203.197.21 |
| 69 | 2026-08-15 21:19 | 639224250518642175 |
|
122 ms | 12.203.197.21 |
| 68 | 2026-08-15 21:04 | 639224241064772383 |
|
28 ms | 12.203.197.21 |
| 67 | 2026-08-15 20:48 | 639224231691099605 |
|
110 ms | 12.203.197.21 |
| 66 | 2026-08-15 20:32 | 639224222468168159 |
|
2009 ms | 12.203.197.21 |
| 65 | 2026-08-15 20:17 | 639224213173899635 |
|
117 ms | 12.203.197.21 |
| 64 | 2026-08-15 20:01 | 639224203914451783 |
|
22 ms | 12.203.197.21 |
| 63 | 2026-08-15 19:09 | 639224172202542163 |
|
112 ms | 12.203.197.21 |
| 62 | 2026-08-15 18:54 | 639224163338654093 |
|
11 ms | 12.203.197.21 |
| 61 | 2026-08-15 18:39 | 639224154287995374 |
|
121 ms | 12.203.197.21 |
| 60 | 2026-08-15 18:24 | 639224145118612503 |
|
35 ms | 12.203.197.21 |
| 59 | 2026-08-15 18:08 | 639224135995990731 |
|
35 ms | 12.203.197.21 |
| 58 | 2026-08-15 17:54 | 639224127185332624 |
|
110 ms | 12.203.197.21 |
| 57 | 2026-08-15 17:39 | 639224118229289175 |
|
115 ms | 12.203.197.21 |
| 56 | 2026-08-15 17:24 | 639224109273796359 |
|
115 ms | 12.203.197.21 |
| 55 | 2026-08-15 17:09 | 639224100490805608 |
|
122 ms | 12.203.197.21 |
| 54 | 2026-08-15 16:54 | 639224091353714490 |
|
111 ms | 12.203.197.21 |
| 53 | 2026-08-15 16:38 | 639224082033126828 |
|
117 ms | 12.203.197.21 |
| 52 | 2026-08-15 16:23 | 639224072736962403 |
|
111 ms | 12.203.197.21 |
| 51 | 2026-08-15 15:30 | 639224041475563754 |
|
2017 ms | 12.203.197.21 |
| 50 | 2026-08-15 15:15 | 639224032345604453 |
|
109 ms | 12.203.197.21 |
| 49 | 2026-08-15 15:00 | 639224023169497283 |
|
20 ms | 12.203.197.21 |
| 48 | 2026-08-15 14:44 | 639224013981146405 |
|
2114 ms | 12.203.197.21 |
| 47 | 2026-08-15 14:29 | 639224004883412586 |
|
2015 ms | 12.203.197.21 |
| 46 | 2026-08-15 14:14 | 639223995612880615 |
|
117 ms | 12.203.197.21 |
| 45 | 2026-08-15 13:58 | 639223986271830789 |
|
112 ms | 12.203.197.21 |
| 44 | 2026-08-15 13:43 | 639223977005780949 |
|
65 ms | 12.203.197.21 |
| 43 | 2026-08-15 13:27 | 639223967653137793 |
|
2017 ms | 12.203.197.21 |
| 42 | 2026-08-15 13:11 | 639223958286010799 |
|
117 ms | 12.203.197.21 |
| 41 | 2026-08-15 12:56 | 639223948936108345 |
|
11 ms | 12.203.197.21 |
| 40 | 2026-08-15 12:40 | 639223939673066880 |
|
112 ms | 12.203.197.21 |
| 39 | 2026-08-15 11:49 | 639223908317760530 |
|
18 ms | 12.203.197.21 |
| 38 | 2026-08-15 11:33 | 639223898992594258 |
|
111 ms | 12.203.197.21 |
| 37 | 2026-08-15 11:18 | 639223889761312823 |
|
114 ms | 12.203.197.21 |
| 36 | 2026-08-15 11:02 | 639223880359273507 |
|
15 ms | 12.203.197.21 |
| 35 | 2026-08-15 10:47 | 639223870920466808 |
|
113 ms | 12.203.197.21 |
| 34 | 2026-08-15 10:31 | 639223861579762179 |
|
13 ms | 12.203.197.21 |
| 33 | 2026-08-15 10:15 | 639223852238616009 |
|
115 ms | 12.203.197.21 |
| 32 | 2026-08-15 10:00 | 639223843019815620 |
|
109 ms | 12.203.197.21 |
| 31 | 2026-08-15 09:44 | 639223833669915012 |
|
121 ms | 12.203.197.21 |
| 30 | 2026-08-15 09:29 | 639223824494613222 |
|
117 ms | 12.203.197.21 |
| 29 | 2026-08-15 09:13 | 639223815116325293 |
|
109 ms | 12.203.197.21 |
| 28 | 2026-08-15 08:57 | 639223805493870221 |
|
107 ms | 12.203.197.21 |
| 27 | 2026-08-15 08:05 | 639223774218660438 |
|
119 ms | 12.203.197.21 |
| 26 | 2026-08-15 07:50 | 639223764663090372 |
|
175 ms | 12.203.197.21 |
| 25 | 2026-08-15 07:34 | 639223755338811400 |
|
136 ms | 12.203.197.21 |
| 24 | 2026-08-15 07:18 | 639223746019193268 |
|
128 ms | 12.203.197.21 |
| 23 | 2026-08-15 07:03 | 639223736658778104 |
|
118 ms | 12.203.197.21 |
| 22 | 2026-08-15 06:47 | 639223727330194499 |
|
188 ms | 12.203.197.21 |
| 21 | 2026-08-15 06:32 | 639223717848514742 |
|
113 ms | 12.203.197.21 |
| 20 | 2026-08-15 06:16 | 639223708284754056 |
|
121 ms | 12.203.197.21 |
| 19 | 2026-08-15 06:00 | 639223699061259933 |
|
147 ms | 12.203.197.21 |
| 18 | 2026-08-15 05:45 | 639223689592545140 |
|
117 ms | 12.203.197.21 |
| 17 | 2026-08-15 05:29 | 639223680143410810 |
|
129 ms | 12.203.197.21 |
| 16 | 2026-08-15 05:13 | 639223670514517104 |
|
123 ms | 12.203.197.21 |
| 15 | 2026-08-15 04:19 | 639223638855054294 |
|
139 ms | 12.203.197.21 |
| 14 | 2026-08-15 04:04 | 639223629623335972 |
|
183 ms | 12.203.197.21 |
| 13 | 2026-08-15 03:48 | 639223620390189495 |
|
146 ms | 12.203.197.21 |
| 12 | 2026-08-15 03:33 | 639223610916950440 |
|
476 ms | 12.203.197.21 |
| 11 | 2026-08-15 03:17 | 639223601597759168 |
|
136 ms | 12.203.197.21 |
| 10 | 2026-08-15 03:02 | 639223592342172093 |
|
133 ms | 12.203.197.21 |
| 9 | 2026-08-15 02:46 | 639223583324121497 |
|
138 ms | 12.203.197.21 |
| 8 | 2026-08-15 02:31 | 639223574086714218 |
|
- | |
| 7 | 2026-08-15 02:16 | 639223564698424889 |
|
159 ms | 12.203.197.21 |
| 6 | 2026-08-15 02:00 | 639223555408664206 |
|
144 ms | 12.203.197.21 |
| 5 | 2026-08-15 01:44 | 639223546000912416 |
|
122 ms | 12.203.197.21 |
| 4 | 2026-08-15 01:29 | 639223536550774847 |
|
128 ms | 12.203.197.21 |
| 3 | 2026-08-15 00:36 | 639223505017205611 |
|
114 ms | 12.203.197.21 |
| 2 | 2026-08-15 00:21 | 639223495784410207 |
|
120 ms | 12.203.197.21 |
| 1 | 2026-08-15 00:05 | 639223486524583054 |
|
110 ms | 12.203.197.21 |