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 2026-08-18. For this date, NameServerHistory found 75 DNS check records, 74 successful responses, 1 failed responses, and 236 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
75
Historical checks stored for this nameserver on selected date
Average Latency
236 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-18 23:53
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
74
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 2026-08-18 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 |
|---|---|---|---|---|---|
| 75 | 2026-08-18 23:53 | 639226935204800669 |
|
113 ms | 12.203.197.21 |
| 74 | 2026-08-18 23:37 | 639226925298919497 |
|
53 ms | 12.203.197.21 |
| 73 | 2026-08-18 23:20 | 639226915487885053 |
|
131 ms | 12.203.197.21 |
| 72 | 2026-08-18 23:04 | 639226905465760034 |
|
111 ms | 12.203.197.21 |
| 71 | 2026-08-18 22:47 | 639226895378104692 |
|
116 ms | 12.203.197.21 |
| 70 | 2026-08-18 21:53 | 639226863374232622 |
|
31 ms | 12.203.197.21 |
| 69 | 2026-08-18 21:37 | 639226853698516058 |
|
124 ms | 12.203.197.21 |
| 68 | 2026-08-18 21:21 | 639226843797360601 |
|
14 ms | 12.203.197.21 |
| 67 | 2026-08-18 21:04 | 639226834046588155 |
|
121 ms | 12.203.197.21 |
| 66 | 2026-08-18 20:48 | 639226824234488533 |
|
16 ms | 12.203.197.21 |
| 65 | 2026-08-18 20:32 | 639226814549928621 |
|
118 ms | 12.203.197.21 |
| 64 | 2026-08-18 20:15 | 639226804721432353 |
|
14 ms | 12.203.197.21 |
| 63 | 2026-08-18 19:59 | 639226795048828184 |
|
118 ms | 12.203.197.21 |
| 62 | 2026-08-18 19:43 | 639226785202482420 |
|
125 ms | 12.203.197.21 |
| 61 | 2026-08-18 19:26 | 639226775309362607 |
|
116 ms | 12.203.197.21 |
| 60 | 2026-08-18 19:10 | 639226765406586155 |
|
2019 ms | 12.203.197.21 |
| 59 | 2026-08-18 18:53 | 639226755437790519 |
|
113 ms | 12.203.197.21 |
| 58 | 2026-08-18 18:01 | 639226723856194457 |
|
133 ms | 12.203.197.21 |
| 57 | 2026-08-18 17:44 | 639226714050583422 |
|
115 ms | 12.203.197.21 |
| 56 | 2026-08-18 17:28 | 639226704236499724 |
|
11 ms | 12.203.197.21 |
| 55 | 2026-08-18 17:11 | 639226694184520163 |
|
11 ms | 12.203.197.21 |
| 54 | 2026-08-18 16:55 | 639226684161203477 |
|
22 ms | 12.203.197.21 |
| 53 | 2026-08-18 16:38 | 639226674305430109 |
|
115 ms | 12.203.197.21 |
| 52 | 2026-08-18 16:22 | 639226664489607984 |
|
119 ms | 12.203.197.21 |
| 51 | 2026-08-18 16:05 | 639226654533111667 |
|
133 ms | 12.203.197.21 |
| 50 | 2026-08-18 15:49 | 639226644778594725 |
|
112 ms | 12.203.197.21 |
| 49 | 2026-08-18 15:32 | 639226634901553621 |
|
113 ms | 12.203.197.21 |
| 48 | 2026-08-18 15:16 | 639226624921864967 |
|
121 ms | 12.203.197.21 |
| 47 | 2026-08-18 14:59 | 639226614939419403 |
|
120 ms | 12.203.197.21 |
| 46 | 2026-08-18 14:06 | 639226583021074771 |
|
2018 ms | 12.203.197.21 |
| 45 | 2026-08-18 13:50 | 639226573279933585 |
|
114 ms | 12.203.197.21 |
| 44 | 2026-08-18 13:33 | 639226563494036301 |
|
119 ms | 12.203.197.21 |
| 43 | 2026-08-18 13:17 | 639226553708216256 |
|
113 ms | 12.203.197.21 |
| 42 | 2026-08-18 13:01 | 639226544003734815 |
|
123 ms | 12.203.197.21 |
| 41 | 2026-08-18 12:45 | 639226534105733155 |
|
130 ms | 12.203.197.21 |
| 40 | 2026-08-18 12:28 | 639226524298118898 |
|
117 ms | 12.203.197.21 |
| 39 | 2026-08-18 12:12 | 639226514525195335 |
|
117 ms | 12.203.197.21 |
| 38 | 2026-08-18 11:55 | 639226504703635320 |
|
113 ms | 12.203.197.21 |
| 37 | 2026-08-18 11:39 | 639226494737271720 |
|
265 ms | 12.203.197.21 |
| 36 | 2026-08-18 11:22 | 639226485005027236 |
|
169 ms | 12.203.197.21 |
| 35 | 2026-08-18 11:06 | 639226475133236105 |
|
117 ms | 12.203.197.21 |
| 34 | 2026-08-18 10:13 | 639226442975077052 |
|
116 ms | 12.203.197.21 |
| 33 | 2026-08-18 09:56 | 639226433317932039 |
|
165 ms | 12.203.197.21 |
| 32 | 2026-08-18 09:40 | 639226423688431096 |
|
123 ms | 12.203.197.21 |
| 31 | 2026-08-18 09:24 | 639226413998250045 |
|
120 ms | 12.203.197.21 |
| 30 | 2026-08-18 09:08 | 639226404284554875 |
|
114 ms | 12.203.197.21 |
| 29 | 2026-08-18 08:52 | 639226394637043309 |
|
118 ms | 12.203.197.21 |
| 28 | 2026-08-18 08:36 | 639226385052447582 |
|
121 ms | 12.203.197.21 |
| 27 | 2026-08-18 08:20 | 639226375506189603 |
|
108 ms | 12.203.197.21 |
| 26 | 2026-08-18 08:04 | 639226365690646426 |
|
126 ms | 12.203.197.21 |
| 25 | 2026-08-18 07:47 | 639226355771007701 |
|
116 ms | 12.203.197.21 |
| 24 | 2026-08-18 07:31 | 639226345946269369 |
|
2010 ms | 12.203.197.21 |
| 23 | 2026-08-18 07:15 | 639226336241601848 |
|
116 ms | 12.203.197.21 |
| 22 | 2026-08-18 06:22 | 639226304950675290 |
|
176 ms | 12.203.197.21 |
| 21 | 2026-08-18 06:07 | 639226295324754616 |
|
114 ms | 12.203.197.21 |
| 20 | 2026-08-18 05:50 | 639226285824640601 |
|
118 ms | 12.203.197.21 |
| 19 | 2026-08-18 05:35 | 639226276321223917 |
|
135 ms | 12.203.197.21 |
| 18 | 2026-08-18 05:19 | 639226266800200046 |
|
114 ms | 12.203.197.21 |
| 17 | 2026-08-18 05:03 | 639226256958066164 |
|
- | |
| 16 | 2026-08-18 04:46 | 639226247432364597 |
|
137 ms | 12.203.197.21 |
| 15 | 2026-08-18 04:31 | 639226237703388552 |
|
123 ms | 12.203.197.21 |
| 14 | 2026-08-18 04:14 | 639226227937569589 |
|
115 ms | 12.203.197.21 |
| 13 | 2026-08-18 03:58 | 639226218052465471 |
|
127 ms | 12.203.197.21 |
| 12 | 2026-08-18 03:42 | 639226208429623997 |
|
121 ms | 12.203.197.21 |
| 11 | 2026-08-18 03:25 | 639226198800675295 |
|
135 ms | 12.203.197.21 |
| 10 | 2026-08-18 02:34 | 639226167722042574 |
|
115 ms | 12.203.197.21 |
| 9 | 2026-08-18 02:18 | 639226158277924383 |
|
64 ms | 12.203.197.21 |
| 8 | 2026-08-18 02:02 | 639226148757810592 |
|
120 ms | 12.203.197.21 |
| 7 | 2026-08-18 01:46 | 639226139348611045 |
|
117 ms | 12.203.197.21 |
| 6 | 2026-08-18 01:31 | 639226129823462907 |
|
43 ms | 12.203.197.21 |
| 5 | 2026-08-18 01:15 | 639226120218260005 |
|
2016 ms | 12.203.197.21 |
| 4 | 2026-08-18 00:59 | 639226110875503904 |
|
2015 ms | 12.203.197.21 |
| 3 | 2026-08-18 00:43 | 639226101376311912 |
|
17 ms | 12.203.197.21 |
| 2 | 2026-08-18 00:27 | 639226091924943492 |
|
29 ms | 12.203.197.21 |
| 1 | 2026-08-18 00:11 | 639226082133158124 |
|
39 ms | 12.203.197.21 |