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 2026-08-09. For this date, NameServerHistory found 77 DNS check records, 76 successful responses, 1 failed responses, and 243 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
77
Historical checks stored for this nameserver on selected date
Average Latency
243 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-09 23:12
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
76
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 2026-08-09 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 |
|---|---|---|---|---|---|
| 77 | 2026-08-09 23:12 | 639219137912168440 |
|
120 ms | 12.203.197.21 |
| 76 | 2026-08-09 22:57 | 639219129014206359 |
|
134 ms | 12.203.197.21 |
| 75 | 2026-08-09 22:42 | 639219120129816185 |
|
115 ms | 12.203.197.21 |
| 74 | 2026-08-09 22:27 | 639219111180200055 |
|
126 ms | 12.203.197.21 |
| 73 | 2026-08-09 22:12 | 639219102397272208 |
|
121 ms | 12.203.197.21 |
| 72 | 2026-08-09 21:57 | 639219093318422880 |
|
120 ms | 12.203.197.21 |
| 71 | 2026-08-09 21:42 | 639219084400315753 |
|
143 ms | 12.203.197.21 |
| 70 | 2026-08-09 21:27 | 639219075254551587 |
|
122 ms | 12.203.197.21 |
| 69 | 2026-08-09 21:11 | 639219065729192158 |
|
125 ms | 12.203.197.21 |
| 68 | 2026-08-09 20:56 | 639219056747802098 |
|
130 ms | 12.203.197.21 |
| 67 | 2026-08-09 20:41 | 639219047713450952 |
|
4064 ms | 12.203.197.21 |
| 66 | 2026-08-09 20:26 | 639219038561445315 |
|
126 ms | 12.203.197.21 |
| 65 | 2026-08-09 19:35 | 639219007390383771 |
|
14 ms | 12.203.197.21 |
| 64 | 2026-08-09 19:20 | 639218998523265596 |
|
112 ms | 12.203.197.21 |
| 63 | 2026-08-09 19:05 | 639218989631630804 |
|
122 ms | 12.203.197.21 |
| 62 | 2026-08-09 18:50 | 639218980808450892 |
|
163 ms | 12.203.197.21 |
| 61 | 2026-08-09 18:36 | 639218971852160604 |
|
164 ms | 12.203.197.21 |
| 60 | 2026-08-09 18:20 | 639218962783650906 |
|
128 ms | 12.203.197.21 |
| 59 | 2026-08-09 18:05 | 639218953792820819 |
|
159 ms | 12.203.197.21 |
| 58 | 2026-08-09 17:51 | 639218944959692876 |
|
21 ms | 12.203.197.21 |
| 57 | 2026-08-09 17:36 | 639218936169104506 |
|
129 ms | 12.203.197.21 |
| 56 | 2026-08-09 17:21 | 639218927166062556 |
|
24 ms | 12.203.197.21 |
| 55 | 2026-08-09 17:06 | 639218918015715420 |
|
130 ms | 12.203.197.21 |
| 54 | 2026-08-09 16:51 | 639218908881852638 |
|
21 ms | 12.203.197.21 |
| 53 | 2026-08-09 15:59 | 639218877956262035 |
|
135 ms | 12.203.197.21 |
| 52 | 2026-08-09 15:44 | 639218869143729797 |
|
141 ms | 12.203.197.21 |
| 51 | 2026-08-09 15:30 | 639218860485298832 |
|
123 ms | 12.203.197.21 |
| 50 | 2026-08-09 15:15 | 639218851607906747 |
|
151 ms | 12.203.197.21 |
| 49 | 2026-08-09 15:00 | 639218842720839568 |
|
2020 ms | 12.203.197.21 |
| 48 | 2026-08-09 14:46 | 639218833878788864 |
|
138 ms | 12.203.197.21 |
| 47 | 2026-08-09 14:31 | 639218825180862573 |
|
12 ms | 12.203.197.21 |
| 46 | 2026-08-09 14:16 | 639218816469621951 |
|
175 ms | 12.203.197.21 |
| 45 | 2026-08-09 14:02 | 639218807685036212 |
|
51 ms | 12.203.197.21 |
| 44 | 2026-08-09 13:47 | 639218798978271509 |
|
128 ms | 12.203.197.21 |
| 43 | 2026-08-09 13:33 | 639218790065423597 |
|
128 ms | 12.203.197.21 |
| 42 | 2026-08-09 13:18 | 639218781304584862 |
|
134 ms | 12.203.197.21 |
| 41 | 2026-08-09 12:26 | 639218750311179000 |
|
142 ms | 12.203.197.21 |
| 40 | 2026-08-09 12:12 | 639218741750420268 |
|
123 ms | 12.203.197.21 |
| 39 | 2026-08-09 11:58 | 639218733057535576 |
|
2039 ms | 12.203.197.21 |
| 38 | 2026-08-09 11:43 | 639218724471329044 |
|
20 ms | 12.203.197.21 |
| 37 | 2026-08-09 11:29 | 639218715911974203 |
|
40 ms | 12.203.197.21 |
| 36 | 2026-08-09 11:15 | 639218707310812834 |
|
176 ms | 12.203.197.21 |
| 35 | 2026-08-09 11:00 | 639218698790485612 |
|
147 ms | 12.203.197.21 |
| 34 | 2026-08-09 10:46 | 639218690367692706 |
|
394 ms | 12.203.197.21 |
| 33 | 2026-08-09 10:32 | 639218681923173883 |
|
122 ms | 12.203.197.21 |
| 32 | 2026-08-09 10:18 | 639218673547179738 |
|
46 ms | 12.203.197.21 |
| 31 | 2026-08-09 10:04 | 639218664890274867 |
|
55 ms | 12.203.197.21 |
| 30 | 2026-08-09 09:49 | 639218656036928157 |
|
123 ms | 12.203.197.21 |
| 29 | 2026-08-09 08:55 | 639218624808018222 |
|
46 ms | 12.203.197.21 |
| 28 | 2026-08-09 08:41 | 639218616243340806 |
|
- | |
| 27 | 2026-08-09 08:26 | 639218607397811973 |
|
149 ms | 12.203.197.21 |
| 26 | 2026-08-09 08:12 | 639218598812444454 |
|
123 ms | 12.203.197.21 |
| 25 | 2026-08-09 07:57 | 639218590219570048 |
|
144 ms | 12.203.197.21 |
| 24 | 2026-08-09 07:43 | 639218581690210758 |
|
144 ms | 12.203.197.21 |
| 23 | 2026-08-09 07:29 | 639218573057388822 |
|
128 ms | 12.203.197.21 |
| 22 | 2026-08-09 07:14 | 639218564408781785 |
|
132 ms | 12.203.197.21 |
| 21 | 2026-08-09 07:00 | 639218555767188482 |
|
134 ms | 12.203.197.21 |
| 20 | 2026-08-09 06:46 | 639218547142705295 |
|
55 ms | 12.203.197.21 |
| 19 | 2026-08-09 06:31 | 639218538090114532 |
|
110 ms | 12.203.197.21 |
| 18 | 2026-08-09 06:16 | 639218529257910584 |
|
126 ms | 12.203.197.21 |
| 17 | 2026-08-09 05:24 | 639218498473231858 |
|
132 ms | 12.203.197.21 |
| 16 | 2026-08-09 05:10 | 639218489802113995 |
|
2015 ms | 12.203.197.21 |
| 15 | 2026-08-09 04:55 | 639218481006804516 |
|
27 ms | 12.203.197.21 |
| 14 | 2026-08-09 04:40 | 639218472048712427 |
|
122 ms | 12.203.197.21 |
| 13 | 2026-08-09 04:26 | 639218463224432974 |
|
150 ms | 12.203.197.21 |
| 12 | 2026-08-09 04:11 | 639218454384107526 |
|
126 ms | 12.203.197.21 |
| 11 | 2026-08-09 03:56 | 639218445331231791 |
|
132 ms | 12.203.197.21 |
| 10 | 2026-08-09 03:41 | 639218436285215733 |
|
113 ms | 12.203.197.21 |
| 9 | 2026-08-09 03:26 | 639218427289555123 |
|
125 ms | 12.203.197.21 |
| 8 | 2026-08-09 03:11 | 639218418227819981 |
|
144 ms | 12.203.197.21 |
| 7 | 2026-08-09 02:56 | 639218409119503123 |
|
143 ms | 12.203.197.21 |
| 6 | 2026-08-09 02:40 | 639218399771712154 |
|
131 ms | 12.203.197.21 |
| 5 | 2026-08-09 01:48 | 639218368648652303 |
|
143 ms | 12.203.197.21 |
| 4 | 2026-08-09 01:33 | 639218359569598460 |
|
48 ms | 12.203.197.21 |
| 3 | 2026-08-09 01:18 | 639218350555429902 |
|
120 ms | 12.203.197.21 |
| 2 | 2026-08-09 01:03 | 639218341311543299 |
|
13 ms | 12.203.197.21 |
| 1 | 2026-08-09 00:11 | 639218309981981465 |
|
61 ms | 12.203.197.21 |