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 2026-08-21. For this date, NameServerHistory found 144 DNS check records, 144 successful responses, 0 failed responses, and 232 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

144

Historical checks stored for this nameserver on selected date

Average Latency

232 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:47

All timestamps shown in UTC

Latest Resolved IP on Selected Date

172.67.143.199

Most recently resolved hosting IP on selected date

Successful Responses

144

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 ns2.example.co

Showing DNS history for 2026-08-21 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
144 2026-08-21 23:47 639229527598660841
28 ms 172.67.143.199
143 2026-08-21 23:47 639229527598660841
28 ms 104.21.39.76
142 2026-08-21 23:31 639229517954323214
64 ms 104.21.39.76
141 2026-08-21 23:31 639229517954323214
64 ms 172.67.143.199
140 2026-08-21 23:15 639229508269999021
19 ms 104.21.39.76
139 2026-08-21 23:15 639229508269999021
19 ms 172.67.143.199
138 2026-08-21 22:58 639229498559060171
19 ms 172.67.143.199
137 2026-08-21 22:58 639229498559060171
19 ms 104.21.39.76
136 2026-08-21 22:42 639229488519347586
9 ms 104.21.39.76
135 2026-08-21 22:42 639229488519347586
9 ms 172.67.143.199
134 2026-08-21 21:48 639229456606578934
47 ms 172.67.143.199
133 2026-08-21 21:48 639229456606578934
47 ms 104.21.39.76
132 2026-08-21 21:32 639229446985772499
28 ms 172.67.143.199
131 2026-08-21 21:32 639229446985772499
28 ms 104.21.39.76
130 2026-08-21 21:16 639229437367313098
2050 ms 104.21.39.76
129 2026-08-21 21:16 639229437367313098
2050 ms 172.67.143.199
128 2026-08-21 21:01 639229427923950391
38 ms 172.67.143.199
127 2026-08-21 21:01 639229427923950391
38 ms 104.21.39.76
126 2026-08-21 20:44 639229418168588854
20 ms 172.67.143.199
125 2026-08-21 20:44 639229418168588854
20 ms 104.21.39.76
124 2026-08-21 20:28 639229408345678334
39 ms 104.21.39.76
123 2026-08-21 20:28 639229408345678334
39 ms 172.67.143.199
122 2026-08-21 20:12 639229398616354648
34 ms 104.21.39.76
121 2026-08-21 20:12 639229398616354648
34 ms 172.67.143.199
120 2026-08-21 19:55 639229388634592323
9 ms 104.21.39.76
119 2026-08-21 19:55 639229388634592323
9 ms 172.67.143.199
118 2026-08-21 19:39 639229378792837692
88 ms 104.21.39.76
117 2026-08-21 19:39 639229378792837692
88 ms 172.67.143.199
116 2026-08-21 19:23 639229369154682311
9 ms 172.67.143.199
115 2026-08-21 19:23 639229369154682311
9 ms 104.21.39.76
114 2026-08-21 19:06 639229359248017926
100 ms 104.21.39.76
113 2026-08-21 19:06 639229359248017926
100 ms 172.67.143.199
112 2026-08-21 18:49 639229349124294642
18 ms 104.21.39.76
111 2026-08-21 18:49 639229349124294642
18 ms 172.67.143.199
110 2026-08-21 17:57 639229317791715692
47 ms 104.21.39.76
109 2026-08-21 17:57 639229317791715692
47 ms 172.67.143.199
108 2026-08-21 17:41 639229308115194575
17 ms 172.67.143.199
107 2026-08-21 17:41 639229308115194575
17 ms 104.21.39.76
106 2026-08-21 17:25 639229298320320558
2043 ms 104.21.39.76
105 2026-08-21 17:25 639229298320320558
2043 ms 172.67.143.199
104 2026-08-21 17:09 639229288674863221
65 ms 104.21.39.76
103 2026-08-21 17:09 639229288674863221
65 ms 172.67.143.199
102 2026-08-21 16:52 639229278983677079
30 ms 172.67.143.199
101 2026-08-21 16:52 639229278983677079
30 ms 104.21.39.76
100 2026-08-21 16:36 639229269405517175
11 ms 104.21.39.76
99 2026-08-21 16:36 639229269405517175
11 ms 172.67.143.199
98 2026-08-21 16:20 639229259594798244
61 ms 172.67.143.199
97 2026-08-21 16:20 639229259594798244
61 ms 104.21.39.76
96 2026-08-21 16:04 639229249736681188
35 ms 172.67.143.199
95 2026-08-21 16:04 639229249736681188
35 ms 104.21.39.76
94 2026-08-21 15:47 639229239699417787
41 ms 104.21.39.76
93 2026-08-21 15:47 639229239699417787
41 ms 172.67.143.199
92 2026-08-21 15:30 639229229621964033
20 ms 172.67.143.199
91 2026-08-21 15:30 639229229621964033
20 ms 104.21.39.76
90 2026-08-21 15:13 639229219567270965
37 ms 104.21.39.76
89 2026-08-21 15:13 639229219567270965
37 ms 172.67.143.199
88 2026-08-21 14:56 639229209406666856
44 ms 104.21.39.76
87 2026-08-21 14:56 639229209406666856
44 ms 172.67.143.199
86 2026-08-21 14:04 639229177815876178
6 ms 172.67.143.199
85 2026-08-21 14:04 639229177815876178
6 ms 104.21.39.76
84 2026-08-21 13:48 639229168243572685
2087 ms 104.21.39.76
83 2026-08-21 13:48 639229168243572685
2087 ms 172.67.143.199
82 2026-08-21 13:32 639229158599856475
36 ms 104.21.39.76
81 2026-08-21 13:32 639229158599856475
36 ms 172.67.143.199
80 2026-08-21 13:16 639229148998940902
23 ms 172.67.143.199
79 2026-08-21 13:16 639229148998940902
23 ms 104.21.39.76
78 2026-08-21 13:00 639229139276923594
49 ms 104.21.39.76
77 2026-08-21 13:00 639229139276923594
49 ms 172.67.143.199
76 2026-08-21 12:44 639229129709912394
56 ms 172.67.143.199
75 2026-08-21 12:44 639229129709912394
56 ms 104.21.39.76
74 2026-08-21 12:27 639229119801488500
54 ms 172.67.143.199
73 2026-08-21 12:27 639229119801488500
54 ms 104.21.39.76
72 2026-08-21 12:11 639229110135262458
10 ms 172.67.143.199
71 2026-08-21 12:11 639229110135262458
10 ms 104.21.39.76
70 2026-08-21 11:55 639229100336051392
28 ms 104.21.39.76
69 2026-08-21 11:55 639229100336051392
28 ms 172.67.143.199
68 2026-08-21 11:38 639229090641415626
23 ms 172.67.143.199
67 2026-08-21 11:38 639229090641415626
23 ms 104.21.39.76
66 2026-08-21 11:22 639229080702683947
2057 ms 104.21.39.76
65 2026-08-21 11:22 639229080702683947
2057 ms 172.67.143.199
64 2026-08-21 11:05 639229070601456699
19 ms 172.67.143.199
63 2026-08-21 11:05 639229070601456699
19 ms 104.21.39.76
62 2026-08-21 10:12 639229038947447232
43 ms 104.21.39.76
61 2026-08-21 10:12 639229038947447232
43 ms 172.67.143.199
60 2026-08-21 09:56 639229029268708773
26 ms 172.67.143.199
59 2026-08-21 09:56 639229029268708773
26 ms 104.21.39.76
58 2026-08-21 09:40 639229019647910603
19 ms 104.21.39.76
57 2026-08-21 09:40 639229019647910603
19 ms 172.67.143.199
56 2026-08-21 09:24 639229009983843738
31 ms 172.67.143.199
55 2026-08-21 09:24 639229009983843738
31 ms 104.21.39.76
54 2026-08-21 09:08 639229000203331882
85 ms 104.21.39.76
53 2026-08-21 09:08 639229000203331882
85 ms 172.67.143.199
52 2026-08-21 08:51 639228990302335999
29 ms 172.67.143.199
51 2026-08-21 08:51 639228990302335999
29 ms 104.21.39.76
50 2026-08-21 08:35 639228980567740722
26 ms 172.67.143.199
49 2026-08-21 08:35 639228980567740722
26 ms 104.21.39.76
48 2026-08-21 08:19 639228970762445174
12 ms 104.21.39.76
47 2026-08-21 08:19 639228970762445174
12 ms 172.67.143.199
46 2026-08-21 08:03 639228961065054445
24 ms 172.67.143.199
45 2026-08-21 08:03 639228961065054445
24 ms 104.21.39.76
44 2026-08-21 07:46 639228951224649885
60 ms 104.21.39.76
43 2026-08-21 07:46 639228951224649885
60 ms 172.67.143.199
42 2026-08-21 07:30 639228941303864592
14 ms 104.21.39.76
41 2026-08-21 07:30 639228941303864592
14 ms 172.67.143.199
40 2026-08-21 07:13 639228931191328583
2022 ms 172.67.143.199
39 2026-08-21 07:13 639228931191328583
2022 ms 104.21.39.76
38 2026-08-21 06:20 639228899518173317
51 ms 172.67.143.199
37 2026-08-21 06:20 639228899518173317
51 ms 104.21.39.76
36 2026-08-21 06:04 639228889785027669
12 ms 104.21.39.76
35 2026-08-21 06:04 639228889785027669
12 ms 172.67.143.199
34 2026-08-21 05:48 639228880106330161
21 ms 104.21.39.76
33 2026-08-21 05:48 639228880106330161
21 ms 172.67.143.199
32 2026-08-21 05:31 639228870316184091
11 ms 172.67.143.199
31 2026-08-21 05:31 639228870316184091
11 ms 104.21.39.76
30 2026-08-21 05:15 639228860695366512
21 ms 172.67.143.199
29 2026-08-21 05:15 639228860695366512
21 ms 104.21.39.76
28 2026-08-21 04:59 639228851027209500
56 ms 172.67.143.199
27 2026-08-21 04:59 639228851027209500
56 ms 104.21.39.76
26 2026-08-21 04:43 639228841479265462
2061 ms 104.21.39.76
25 2026-08-21 04:43 639228841479265462
2061 ms 172.67.143.199
24 2026-08-21 04:27 639228831752962260
5 ms 104.21.39.76
23 2026-08-21 04:27 639228831752962260
5 ms 172.67.143.199
22 2026-08-21 04:11 639228821953295483
16 ms 172.67.143.199
21 2026-08-21 04:11 639228821953295483
16 ms 104.21.39.76
20 2026-08-21 03:55 639228812227429953
76 ms 172.67.143.199
19 2026-08-21 03:55 639228812227429953
76 ms 104.21.39.76
18 2026-08-21 03:38 639228802476107538
20 ms 104.21.39.76
17 2026-08-21 03:38 639228802476107538
20 ms 172.67.143.199
16 2026-08-21 03:22 639228792525492032
52 ms 104.21.39.76
15 2026-08-21 03:22 639228792525492032
52 ms 172.67.143.199
14 2026-08-21 02:29 639228761131421385
2128 ms 104.21.39.76
13 2026-08-21 02:29 639228761131421385
2128 ms 172.67.143.199
12 2026-08-21 02:13 639228751571206692
74 ms 104.21.39.76
11 2026-08-21 02:13 639228751571206692
74 ms 172.67.143.199
10 2026-08-21 01:57 639228741705571019
40 ms 172.67.143.199
9 2026-08-21 01:57 639228741705571019
40 ms 104.21.39.76
8 2026-08-21 01:40 639228731642208228
28 ms 104.21.39.76
7 2026-08-21 01:40 639228731642208228
28 ms 172.67.143.199
6 2026-08-21 00:48 639228700387002072
51 ms 104.21.39.76
5 2026-08-21 00:48 639228700387002072
51 ms 172.67.143.199
4 2026-08-21 00:32 639228690742014433
43 ms 104.21.39.76
3 2026-08-21 00:32 639228690742014433
43 ms 172.67.143.199
2 2026-08-21 00:16 639228680877937122
5 ms 172.67.143.199
1 2026-08-21 00:16 639228680877937122
5 ms 104.21.39.76