DNS response history for ns2.example.co

ns2.example.co 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 2026-08-20. For this date, NameServerHistory found 113 DNS check records, 112 successful responses, 1 failed responses, and 289 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 ns2.example.co.
Records on Selected Date

113

Historical checks stored for this nameserver on selected date

Average Latency

289 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-20 23:59

All timestamps shown in UTC

Latest Resolved IP on Selected Date

104.21.39.76

Most recently resolved hosting IP on selected date

Successful Responses

112

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 ns2.example.co

Showing DNS history for 2026-08-20 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
113 2026-08-20 23:59 639228670775860800
43 ms 104.21.39.76
112 2026-08-20 23:59 639228670775860800
43 ms 172.67.143.199
111 2026-08-20 23:07 639228639850033448
36 ms 172.67.143.199
110 2026-08-20 23:07 639228639850033448
36 ms 104.21.39.76
109 2026-08-20 22:51 639228630204271870
2055 ms 172.67.143.199
108 2026-08-20 22:51 639228630204271870
2055 ms 104.21.39.76
107 2026-08-20 22:35 639228620295091135
65 ms 172.67.143.199
106 2026-08-20 22:35 639228620295091135
65 ms 104.21.39.76
105 2026-08-20 22:18 639228610298336915
30 ms 172.67.143.199
104 2026-08-20 22:18 639228610298336915
30 ms 104.21.39.76
103 2026-08-20 21:26 639228578917047616
-
102 2026-08-20 21:09 639228569046445709
22 ms 104.21.39.76
101 2026-08-20 21:09 639228569046445709
22 ms 172.67.143.199
100 2026-08-20 20:52 639228558946830986
2062 ms 104.21.39.76
99 2026-08-20 20:52 639228558946830986
2062 ms 172.67.143.199
98 2026-08-20 20:36 639228548977359217
58 ms 104.21.39.76
97 2026-08-20 20:36 639228548977359217
58 ms 172.67.143.199
96 2026-08-20 19:43 639228517494157668
58 ms 172.67.143.199
95 2026-08-20 19:43 639228517494157668
58 ms 104.21.39.76
94 2026-08-20 19:26 639228507374116892
39 ms 172.67.143.199
93 2026-08-20 19:26 639228507374116892
39 ms 104.21.39.76
92 2026-08-20 19:10 639228497315154893
32 ms 104.21.39.76
91 2026-08-20 19:10 639228497315154893
32 ms 172.67.143.199
90 2026-08-20 18:53 639228487287648341
78 ms 104.21.39.76
89 2026-08-20 18:53 639228487287648341
78 ms 172.67.143.199
88 2026-08-20 18:01 639228455828123788
46 ms 104.21.39.76
87 2026-08-20 18:01 639228455828123788
46 ms 172.67.143.199
86 2026-08-20 17:44 639228445900082244
25 ms 104.21.39.76
85 2026-08-20 17:44 639228445900082244
25 ms 172.67.143.199
84 2026-08-20 17:27 639228435866352323
84 ms 104.21.39.76
83 2026-08-20 17:27 639228435866352323
84 ms 172.67.143.199
82 2026-08-20 17:11 639228425802273151
28 ms 104.21.39.76
81 2026-08-20 17:11 639228425802273151
28 ms 172.67.143.199
80 2026-08-20 16:17 639228393616324230
2048 ms 104.21.39.76
79 2026-08-20 16:17 639228393616324230
2048 ms 172.67.143.199
78 2026-08-20 16:00 639228383590408693
18 ms 172.67.143.199
77 2026-08-20 16:00 639228383590408693
18 ms 104.21.39.76
76 2026-08-20 15:43 639228373471467474
16 ms 172.67.143.199
75 2026-08-20 15:43 639228373471467474
16 ms 104.21.39.76
74 2026-08-20 15:27 639228363426647311
2066 ms 104.21.39.76
73 2026-08-20 15:27 639228363426647311
2066 ms 172.67.143.199
72 2026-08-20 14:34 639228331681701910
6 ms 104.21.39.76
71 2026-08-20 14:34 639228331681701910
6 ms 172.67.143.199
70 2026-08-20 14:17 639228321714746824
41 ms 104.21.39.76
69 2026-08-20 14:17 639228321714746824
41 ms 172.67.143.199
68 2026-08-20 14:00 639228311652090262
24 ms 172.67.143.199
67 2026-08-20 14:00 639228311652090262
24 ms 104.21.39.76
66 2026-08-20 13:44 639228301670088587
25 ms 172.67.143.199
65 2026-08-20 13:44 639228301670088587
25 ms 104.21.39.76
64 2026-08-20 12:51 639228269987976710
25 ms 172.67.143.199
63 2026-08-20 12:51 639228269987976710
25 ms 104.21.39.76
62 2026-08-20 12:34 639228260009452308
102 ms 104.21.39.76
61 2026-08-20 12:34 639228260009452308
102 ms 172.67.143.199
60 2026-08-20 12:17 639228249661740894
26 ms 172.67.143.199
59 2026-08-20 12:17 639228249661740894
26 ms 104.21.39.76
58 2026-08-20 12:00 639228239552680346
8 ms 172.67.143.199
57 2026-08-20 12:00 639228239552680346
8 ms 104.21.39.76
56 2026-08-20 11:07 639228207667580819
12 ms 104.21.39.76
55 2026-08-20 11:07 639228207667580819
12 ms 172.67.143.199
54 2026-08-20 10:50 639228197494011560
35 ms 172.67.143.199
53 2026-08-20 10:50 639228197494011560
35 ms 104.21.39.76
52 2026-08-20 10:33 639228187497039939
38 ms 104.21.39.76
51 2026-08-20 10:33 639228187497039939
38 ms 172.67.143.199
50 2026-08-20 10:16 639228177408432646
36 ms 172.67.143.199
49 2026-08-20 10:16 639228177408432646
36 ms 104.21.39.76
48 2026-08-20 09:25 639228146356166262
30 ms 172.67.143.199
47 2026-08-20 09:25 639228146356166262
30 ms 104.21.39.76
46 2026-08-20 09:08 639228136541505712
56 ms 172.67.143.199
45 2026-08-20 09:08 639228136541505712
56 ms 104.21.39.76
44 2026-08-20 08:52 639228126519136598
22 ms 172.67.143.199
43 2026-08-20 08:52 639228126519136598
22 ms 104.21.39.76
42 2026-08-20 08:35 639228116537148885
20 ms 172.67.143.199
41 2026-08-20 08:35 639228116537148885
20 ms 104.21.39.76
40 2026-08-20 07:43 639228085320764351
12 ms 104.21.39.76
39 2026-08-20 07:43 639228085320764351
12 ms 172.67.143.199
38 2026-08-20 07:27 639228075444604839
21 ms 172.67.143.199
37 2026-08-20 07:27 639228075444604839
21 ms 104.21.39.76
36 2026-08-20 07:10 639228065615498985
33 ms 104.21.39.76
35 2026-08-20 07:10 639228065615498985
33 ms 172.67.143.199
34 2026-08-20 06:54 639228055675321422
15 ms 172.67.143.199
33 2026-08-20 06:54 639228055675321422
15 ms 104.21.39.76
32 2026-08-20 06:01 639228024230839396
12 ms 104.21.39.76
31 2026-08-20 06:01 639228024230839396
12 ms 172.67.143.199
30 2026-08-20 05:45 639228014720406505
15 ms 172.67.143.199
29 2026-08-20 05:45 639228014720406505
15 ms 104.21.39.76
28 2026-08-20 05:29 639228004930827030
33 ms 104.21.39.76
27 2026-08-20 05:29 639228004930827030
33 ms 172.67.143.199
26 2026-08-20 05:13 639227995103340154
7 ms 172.67.143.199
25 2026-08-20 05:13 639227995103340154
7 ms 104.21.39.76
24 2026-08-20 04:21 639227963811374894
46 ms 104.21.39.76
23 2026-08-20 04:21 639227963811374894
46 ms 172.67.143.199
22 2026-08-20 04:04 639227954132571365
61 ms 172.67.143.199
21 2026-08-20 04:04 639227954132571365
61 ms 104.21.39.76
20 2026-08-20 03:48 639227944541208342
103 ms 104.21.39.76
19 2026-08-20 03:48 639227944541208342
103 ms 172.67.143.199
18 2026-08-20 03:32 639227934657213484
5 ms 172.67.143.199
17 2026-08-20 03:32 639227934657213484
5 ms 104.21.39.76
16 2026-08-20 02:40 639227903628145469
2091 ms 172.67.143.199
15 2026-08-20 02:40 639227903628145469
2091 ms 104.21.39.76
14 2026-08-20 02:24 639227893995483475
35 ms 172.67.143.199
13 2026-08-20 02:24 639227893995483475
35 ms 104.21.39.76
12 2026-08-20 02:08 639227884280244209
49 ms 104.21.39.76
11 2026-08-20 02:08 639227884280244209
49 ms 172.67.143.199
10 2026-08-20 01:51 639227874371147132
2043 ms 172.67.143.199
9 2026-08-20 01:51 639227874371147132
2043 ms 104.21.39.76
8 2026-08-20 01:00 639227843224256432
56 ms 104.21.39.76
7 2026-08-20 01:00 639227843224256432
56 ms 172.67.143.199
6 2026-08-20 00:44 639227833720403506
2066 ms 104.21.39.76
5 2026-08-20 00:44 639227833720403506
2066 ms 172.67.143.199
4 2026-08-20 00:28 639227824170728278
50 ms 172.67.143.199
3 2026-08-20 00:28 639227824170728278
50 ms 104.21.39.76
2 2026-08-20 00:12 639227814865867570
25 ms 172.67.143.199
1 2026-08-20 00:12 639227814865867570
25 ms 104.21.39.76