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 2026-08-26. For this date, NameServerHistory found 70 DNS check records, 69 successful responses, 1 failed responses, and 129 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

70

Historical checks stored for this nameserver on selected date

Average Latency

129 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 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

69

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 2026-08-26 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
70 2026-08-26 23:53 639233846871926285
221 ms 12.203.197.21
69 2026-08-26 22:59 639233814527872887
109 ms 12.203.197.21
68 2026-08-26 22:42 639233804315489381
113 ms 12.203.197.21
67 2026-08-26 22:25 639233793971346256
2036 ms 12.203.197.21
66 2026-08-26 22:07 639233783644630463
-
65 2026-08-26 21:50 639233773302621314
118 ms 12.203.197.21
64 2026-08-26 21:33 639233762896723748
111 ms 12.203.197.21
63 2026-08-26 21:15 639233752543876329
23 ms 12.203.197.21
62 2026-08-26 20:58 639233742155931788
112 ms 12.203.197.21
61 2026-08-26 20:41 639233731712555311
118 ms 12.203.197.21
60 2026-08-26 20:23 639233721164051126
123 ms 12.203.197.21
59 2026-08-26 20:05 639233710560486320
114 ms 12.203.197.21
58 2026-08-26 19:48 639233699834667450
116 ms 12.203.197.21
57 2026-08-26 18:53 639233667209186136
7 ms 12.203.197.21
56 2026-08-26 18:36 639233656814316266
111 ms 12.203.197.21
55 2026-08-26 18:18 639233646245051806
110 ms 12.203.197.21
54 2026-08-26 18:01 639233635663779051
111 ms 12.203.197.21
53 2026-08-26 17:43 639233624977342122
119 ms 12.203.197.21
52 2026-08-26 17:25 639233614446136153
34 ms 12.203.197.21
51 2026-08-26 17:07 639233603737877581
19 ms 12.203.197.21
50 2026-08-26 16:50 639233593269224651
117 ms 12.203.197.21
49 2026-08-26 16:32 639233582635086903
107 ms 12.203.197.21
48 2026-08-26 16:15 639233572000374575
109 ms 12.203.197.21
47 2026-08-26 15:57 639233561188633861
117 ms 12.203.197.21
46 2026-08-26 15:39 639233550544357027
122 ms 12.203.197.21
45 2026-08-26 14:45 639233517966053117
132 ms 12.203.197.21
44 2026-08-26 14:27 639233507603253585
113 ms 12.203.197.21
43 2026-08-26 14:10 639233497229039167
18 ms 12.203.197.21
42 2026-08-26 13:53 639233486864546406
33 ms 12.203.197.21
41 2026-08-26 13:35 639233476455174682
119 ms 12.203.197.21
40 2026-08-26 13:18 639233466171592605
12 ms 12.203.197.21
39 2026-08-26 13:01 639233455747096265
118 ms 12.203.197.21
38 2026-08-26 12:43 639233445367152284
114 ms 12.203.197.21
37 2026-08-26 12:26 639233434974187439
113 ms 12.203.197.21
36 2026-08-26 12:09 639233424567558554
114 ms 12.203.197.21
35 2026-08-26 11:51 639233414056832719
17 ms 12.203.197.21
34 2026-08-26 11:34 639233403515141099
17 ms 12.203.197.21
33 2026-08-26 10:39 639233370841350248
116 ms 12.203.197.21
32 2026-08-26 10:22 639233360361507238
116 ms 12.203.197.21
31 2026-08-26 10:05 639233350067824371
117 ms 12.203.197.21
30 2026-08-26 09:47 639233339545274518
116 ms 12.203.197.21
29 2026-08-26 09:30 639233329214918079
122 ms 12.203.197.21
28 2026-08-26 09:12 639233318749762337
109 ms 12.203.197.21
27 2026-08-26 08:55 639233308387917838
106 ms 12.203.197.21
26 2026-08-26 08:38 639233297961740122
124 ms 12.203.197.21
25 2026-08-26 08:20 639233287487159094
29 ms 12.203.197.21
24 2026-08-26 08:03 639233276995531707
128 ms 12.203.197.21
23 2026-08-26 07:45 639233266521568229
118 ms 12.203.197.21
22 2026-08-26 07:28 639233256081047431
22 ms 12.203.197.21
21 2026-08-26 06:34 639233223620132921
122 ms 12.203.197.21
20 2026-08-26 06:17 639233213287814244
109 ms 12.203.197.21
19 2026-08-26 05:59 639233202925983161
116 ms 12.203.197.21
18 2026-08-26 05:42 639233192644780696
115 ms 12.203.197.21
17 2026-08-26 05:25 639233182401183833
70 ms 12.203.197.21
16 2026-08-26 05:08 639233172074181051
15 ms 12.203.197.21
15 2026-08-26 04:51 639233161808421455
19 ms 12.203.197.21
14 2026-08-26 04:33 639233151357344052
64 ms 12.203.197.21
13 2026-08-26 04:16 639233141034116946
112 ms 12.203.197.21
12 2026-08-26 03:59 639233130828334142
22 ms 12.203.197.21
11 2026-08-26 03:42 639233120373450007
116 ms 12.203.197.21
10 2026-08-26 03:25 639233110066216193
109 ms 12.203.197.21
9 2026-08-26 02:31 639233078065410564
120 ms 12.203.197.21
8 2026-08-26 02:14 639233067787457832
113 ms 12.203.197.21
7 2026-08-26 01:57 639233057501801162
117 ms 12.203.197.21
6 2026-08-26 01:40 639233047089431703
121 ms 12.203.197.21
5 2026-08-26 01:22 639233036754790688
110 ms 12.203.197.21
4 2026-08-26 01:05 639233026412602472
147 ms 12.203.197.21
3 2026-08-26 00:48 639233016064066127
113 ms 12.203.197.21
2 2026-08-26 00:31 639233005922655772
111 ms 12.203.197.21
1 2026-08-26 00:14 639232995672256907
390 ms 12.203.197.21