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 2026-08-27. For this date, NameServerHistory found 59 DNS check records, 59 successful responses, 0 failed responses, and 238 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

59

Historical checks stored for this nameserver on selected date

Average Latency

238 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-27 19:17

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

59

Checks that returned a measurable response

Failed Responses

0

Checks with no response or no returned latency

Failure Rate

0%

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 2026-08-27 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
59 2026-08-27 19:17 639234545578367474
2129 ms 12.203.197.21
58 2026-08-27 19:00 639234535255111795
123 ms 12.203.197.21
57 2026-08-27 18:43 639234525107594067
19 ms 12.203.197.21
56 2026-08-27 18:26 639234514890244566
126 ms 12.203.197.21
55 2026-08-27 18:09 639234504745477862
122 ms 12.203.197.21
54 2026-08-27 17:52 639234494449227290
117 ms 12.203.197.21
53 2026-08-27 17:35 639234484118025686
112 ms 12.203.197.21
52 2026-08-27 17:18 639234473946362077
124 ms 12.203.197.21
51 2026-08-27 17:01 639234463759124388
123 ms 12.203.197.21
50 2026-08-27 16:44 639234453500759178
12 ms 12.203.197.21
49 2026-08-27 16:26 639234442983541638
113 ms 12.203.197.21
48 2026-08-27 16:09 639234432404354562
120 ms 12.203.197.21
47 2026-08-27 15:14 639234399767719119
10 ms 12.203.197.21
46 2026-08-27 14:57 639234389460601485
117 ms 12.203.197.21
45 2026-08-27 14:40 639234379227178707
21 ms 12.203.197.21
44 2026-08-27 14:23 639234369065315214
117 ms 12.203.197.21
43 2026-08-27 14:06 639234358825501576
2017 ms 12.203.197.21
42 2026-08-27 13:49 639234348572745268
119 ms 12.203.197.21
41 2026-08-27 13:31 639234338264503481
121 ms 12.203.197.21
40 2026-08-27 13:14 639234327818741376
2016 ms 12.203.197.21
39 2026-08-27 12:57 639234317475724313
115 ms 12.203.197.21
38 2026-08-27 12:39 639234307007468133
134 ms 12.203.197.21
37 2026-08-27 12:22 639234296664302575
122 ms 12.203.197.21
36 2026-08-27 12:05 639234286253196126
118 ms 12.203.197.21
35 2026-08-27 11:11 639234253963286387
140 ms 12.203.197.21
34 2026-08-27 10:54 639234243654907465
130 ms 12.203.197.21
33 2026-08-27 10:36 639234233269654413
121 ms 12.203.197.21
32 2026-08-27 10:19 639234222943951923
110 ms 12.203.197.21
31 2026-08-27 10:02 639234212558002823
123 ms 12.203.197.21
30 2026-08-27 09:45 639234202117531850
122 ms 12.203.197.21
29 2026-08-27 09:27 639234191649612722
125 ms 12.203.197.21
28 2026-08-27 09:10 639234181105879568
122 ms 12.203.197.21
27 2026-08-27 08:52 639234170713214496
112 ms 12.203.197.21
26 2026-08-27 08:35 639234160341037652
129 ms 12.203.197.21
25 2026-08-27 08:17 639234149799404224
126 ms 12.203.197.21
24 2026-08-27 08:00 639234139553286469
136 ms 12.203.197.21
23 2026-08-27 07:07 639234107183588293
25 ms 12.203.197.21
22 2026-08-27 06:49 639234096905435724
112 ms 12.203.197.21
21 2026-08-27 06:32 639234086579410775
125 ms 12.203.197.21
20 2026-08-27 06:15 639234076291157956
133 ms 12.203.197.21
19 2026-08-27 05:58 639234065981939454
119 ms 12.203.197.21
18 2026-08-27 05:41 639234055548642997
141 ms 12.203.197.21
17 2026-08-27 05:23 639234045267979603
13 ms 12.203.197.21
16 2026-08-27 05:06 639234034999717463
119 ms 12.203.197.21
15 2026-08-27 04:49 639234024739225358
35 ms 12.203.197.21
14 2026-08-27 04:32 639234014311170162
118 ms 12.203.197.21
13 2026-08-27 04:14 639234003806017640
115 ms 12.203.197.21
12 2026-08-27 03:57 639233993356203030
126 ms 12.203.197.21
11 2026-08-27 03:04 639233961301716608
118 ms 12.203.197.21
10 2026-08-27 02:46 639233950834200647
118 ms 12.203.197.21
9 2026-08-27 02:29 639233940431849026
12 ms 12.203.197.21
8 2026-08-27 02:11 639233930110596398
113 ms 12.203.197.21
7 2026-08-27 01:54 639233919705434540
25 ms 12.203.197.21
6 2026-08-27 01:37 639233909452807845
114 ms 12.203.197.21
5 2026-08-27 01:20 639233899096420820
2024 ms 12.203.197.21
4 2026-08-27 01:02 639233888707824939
118 ms 12.203.197.21
3 2026-08-27 00:45 639233878461203802
119 ms 12.203.197.21
2 2026-08-27 00:28 639233868060868209
196 ms 12.203.197.21
1 2026-08-27 00:10 639233857450922991
119 ms 12.203.197.21