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 2026-08-18. For this date, NameServerHistory found 149 DNS check records, 148 successful responses, 1 failed responses, and 252 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

149

Historical checks stored for this nameserver on selected date

Average Latency

252 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-18 23:46

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

148

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 2026-08-18 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
149 2026-08-18 23:46 639226935204800669
10 ms 104.21.39.76
148 2026-08-18 23:46 639226935204800669
10 ms 172.67.143.199
147 2026-08-18 23:30 639226925298919497
7 ms 172.67.143.199
146 2026-08-18 23:30 639226925298919497
7 ms 104.21.39.76
145 2026-08-18 23:13 639226915487885053
35 ms 172.67.143.199
144 2026-08-18 23:13 639226915487885053
35 ms 104.21.39.76
143 2026-08-18 22:57 639226905465760034
2016 ms 172.67.143.199
142 2026-08-18 22:57 639226905465760034
2016 ms 104.21.39.76
141 2026-08-18 22:40 639226895378104692
16 ms 104.21.39.76
140 2026-08-18 22:40 639226895378104692
16 ms 172.67.143.199
139 2026-08-18 21:46 639226863374232622
2055 ms 172.67.143.199
138 2026-08-18 21:46 639226863374232622
2055 ms 104.21.39.76
137 2026-08-18 21:30 639226853698516058
44 ms 172.67.143.199
136 2026-08-18 21:30 639226853698516058
44 ms 104.21.39.76
135 2026-08-18 21:14 639226843797360601
14 ms 172.67.143.199
134 2026-08-18 21:14 639226843797360601
14 ms 104.21.39.76
133 2026-08-18 20:58 639226834046588155
42 ms 172.67.143.199
132 2026-08-18 20:58 639226834046588155
42 ms 104.21.39.76
131 2026-08-18 20:41 639226824234488533
16 ms 172.67.143.199
130 2026-08-18 20:41 639226824234488533
16 ms 104.21.39.76
129 2026-08-18 20:25 639226814549928621
6 ms 104.21.39.76
128 2026-08-18 20:25 639226814549928621
6 ms 172.67.143.199
127 2026-08-18 20:09 639226804721432353
72 ms 172.67.143.199
126 2026-08-18 20:09 639226804721432353
72 ms 104.21.39.76
125 2026-08-18 19:53 639226795048828184
52 ms 104.21.39.76
124 2026-08-18 19:53 639226795048828184
52 ms 172.67.143.199
123 2026-08-18 19:36 639226785202482420
13 ms 172.67.143.199
122 2026-08-18 19:36 639226785202482420
13 ms 104.21.39.76
121 2026-08-18 19:20 639226775309362607
9 ms 172.67.143.199
120 2026-08-18 19:20 639226775309362607
9 ms 104.21.39.76
119 2026-08-18 19:03 639226765406586155
64 ms 104.21.39.76
118 2026-08-18 19:03 639226765406586155
64 ms 172.67.143.199
117 2026-08-18 18:47 639226755437790519
31 ms 172.67.143.199
116 2026-08-18 18:47 639226755437790519
31 ms 104.21.39.76
115 2026-08-18 17:54 639226723856194457
30 ms 172.67.143.199
114 2026-08-18 17:54 639226723856194457
30 ms 104.21.39.76
113 2026-08-18 17:38 639226714050583422
2053 ms 172.67.143.199
112 2026-08-18 17:38 639226714050583422
2053 ms 104.21.39.76
111 2026-08-18 17:21 639226704236499724
2044 ms 104.21.39.76
110 2026-08-18 17:21 639226704236499724
2044 ms 172.67.143.199
109 2026-08-18 17:05 639226694184520163
31 ms 104.21.39.76
108 2026-08-18 17:05 639226694184520163
31 ms 172.67.143.199
107 2026-08-18 16:48 639226684161203477
34 ms 104.21.39.76
106 2026-08-18 16:48 639226684161203477
34 ms 172.67.143.199
105 2026-08-18 16:31 639226674305430109
45 ms 104.21.39.76
104 2026-08-18 16:31 639226674305430109
45 ms 172.67.143.199
103 2026-08-18 16:15 639226664489607984
18 ms 104.21.39.76
102 2026-08-18 16:15 639226664489607984
18 ms 172.67.143.199
101 2026-08-18 15:58 639226654533111667
2083 ms 104.21.39.76
100 2026-08-18 15:58 639226654533111667
2083 ms 172.67.143.199
99 2026-08-18 15:42 639226644778594725
34 ms 104.21.39.76
98 2026-08-18 15:42 639226644778594725
34 ms 172.67.143.199
97 2026-08-18 15:26 639226634901553621
34 ms 104.21.39.76
96 2026-08-18 15:26 639226634901553621
34 ms 172.67.143.199
95 2026-08-18 15:09 639226624921864967
13 ms 172.67.143.199
94 2026-08-18 15:09 639226624921864967
13 ms 104.21.39.76
93 2026-08-18 14:52 639226614939419403
60 ms 104.21.39.76
92 2026-08-18 14:52 639226614939419403
60 ms 172.67.143.199
91 2026-08-18 13:59 639226583021074771
2056 ms 104.21.39.76
90 2026-08-18 13:59 639226583021074771
2056 ms 172.67.143.199
89 2026-08-18 13:43 639226573279933585
12 ms 104.21.39.76
88 2026-08-18 13:43 639226573279933585
12 ms 172.67.143.199
87 2026-08-18 13:27 639226563494036301
42 ms 104.21.39.76
86 2026-08-18 13:27 639226563494036301
42 ms 172.67.143.199
85 2026-08-18 13:10 639226553708216256
12 ms 172.67.143.199
84 2026-08-18 13:10 639226553708216256
12 ms 104.21.39.76
83 2026-08-18 12:54 639226544003734815
2022 ms 104.21.39.76
82 2026-08-18 12:54 639226544003734815
2022 ms 172.67.143.199
81 2026-08-18 12:38 639226534105733155
28 ms 104.21.39.76
80 2026-08-18 12:38 639226534105733155
28 ms 172.67.143.199
79 2026-08-18 12:21 639226524298118898
64 ms 172.67.143.199
78 2026-08-18 12:21 639226524298118898
64 ms 104.21.39.76
77 2026-08-18 12:05 639226514525195335
54 ms 104.21.39.76
76 2026-08-18 12:05 639226514525195335
54 ms 172.67.143.199
75 2026-08-18 11:49 639226504703635320
40 ms 104.21.39.76
74 2026-08-18 11:49 639226504703635320
40 ms 172.67.143.199
73 2026-08-18 11:32 639226494737271720
37 ms 172.67.143.199
72 2026-08-18 11:32 639226494737271720
37 ms 104.21.39.76
71 2026-08-18 11:16 639226485005027236
49 ms 172.67.143.199
70 2026-08-18 11:16 639226485005027236
49 ms 104.21.39.76
69 2026-08-18 10:59 639226475133236105
44 ms 172.67.143.199
68 2026-08-18 10:59 639226475133236105
44 ms 104.21.39.76
67 2026-08-18 10:06 639226442975077052
71 ms 172.67.143.199
66 2026-08-18 10:06 639226442975077052
71 ms 104.21.39.76
65 2026-08-18 09:50 639226433317932039
21 ms 172.67.143.199
64 2026-08-18 09:50 639226433317932039
21 ms 104.21.39.76
63 2026-08-18 09:34 639226423688431096
20 ms 104.21.39.76
62 2026-08-18 09:34 639226423688431096
20 ms 172.67.143.199
61 2026-08-18 09:17 639226413998250045
47 ms 104.21.39.76
60 2026-08-18 09:17 639226413998250045
47 ms 172.67.143.199
59 2026-08-18 09:01 639226404284554875
25 ms 172.67.143.199
58 2026-08-18 09:01 639226404284554875
25 ms 104.21.39.76
57 2026-08-18 08:45 639226394637043309
20 ms 104.21.39.76
56 2026-08-18 08:45 639226394637043309
20 ms 172.67.143.199
55 2026-08-18 08:29 639226385052447582
9 ms 172.67.143.199
54 2026-08-18 08:29 639226385052447582
9 ms 104.21.39.76
53 2026-08-18 08:13 639226375506189603
12 ms 172.67.143.199
52 2026-08-18 08:13 639226375506189603
12 ms 104.21.39.76
51 2026-08-18 07:57 639226365690646426
39 ms 104.21.39.76
50 2026-08-18 07:57 639226365690646426
39 ms 172.67.143.199
49 2026-08-18 07:40 639226355771007701
32 ms 104.21.39.76
48 2026-08-18 07:40 639226355771007701
32 ms 172.67.143.199
47 2026-08-18 07:24 639226345946269369
16 ms 104.21.39.76
46 2026-08-18 07:24 639226345946269369
16 ms 172.67.143.199
45 2026-08-18 07:08 639226336241601848
63 ms 172.67.143.199
44 2026-08-18 07:08 639226336241601848
63 ms 104.21.39.76
43 2026-08-18 06:16 639226304950675290
45 ms 172.67.143.199
42 2026-08-18 06:16 639226304950675290
45 ms 104.21.39.76
41 2026-08-18 06:00 639226295324754616
25 ms 172.67.143.199
40 2026-08-18 06:00 639226295324754616
25 ms 104.21.39.76
39 2026-08-18 05:44 639226285824640601
53 ms 104.21.39.76
38 2026-08-18 05:44 639226285824640601
53 ms 172.67.143.199
37 2026-08-18 05:28 639226276321223917
44 ms 104.21.39.76
36 2026-08-18 05:28 639226276321223917
44 ms 172.67.143.199
35 2026-08-18 05:12 639226266800200046
40 ms 104.21.39.76
34 2026-08-18 05:12 639226266800200046
40 ms 172.67.143.199
33 2026-08-18 04:56 639226256958066164
2040 ms 104.21.39.76
32 2026-08-18 04:56 639226256958066164
2040 ms 172.67.143.199
31 2026-08-18 04:40 639226247432364597
42 ms 172.67.143.199
30 2026-08-18 04:40 639226247432364597
42 ms 104.21.39.76
29 2026-08-18 04:24 639226237703388552
20 ms 172.67.143.199
28 2026-08-18 04:24 639226237703388552
20 ms 104.21.39.76
27 2026-08-18 04:07 639226227937569589
17 ms 172.67.143.199
26 2026-08-18 04:07 639226227937569589
17 ms 104.21.39.76
25 2026-08-18 03:51 639226218052465471
17 ms 172.67.143.199
24 2026-08-18 03:51 639226218052465471
17 ms 104.21.39.76
23 2026-08-18 03:35 639226208429623997
75 ms 172.67.143.199
22 2026-08-18 03:35 639226208429623997
75 ms 104.21.39.76
21 2026-08-18 03:19 639226198800675295
18 ms 104.21.39.76
20 2026-08-18 03:19 639226198800675295
18 ms 172.67.143.199
19 2026-08-18 02:27 639226167722042574
26 ms 104.21.39.76
18 2026-08-18 02:27 639226167722042574
26 ms 172.67.143.199
17 2026-08-18 02:11 639226158277924383
-
16 2026-08-18 01:55 639226148757810592
109 ms 172.67.143.199
15 2026-08-18 01:55 639226148757810592
109 ms 104.21.39.76
14 2026-08-18 01:40 639226139348611045
27 ms 172.67.143.199
13 2026-08-18 01:40 639226139348611045
27 ms 104.21.39.76
12 2026-08-18 01:24 639226129823462907
38 ms 104.21.39.76
11 2026-08-18 01:24 639226129823462907
38 ms 172.67.143.199
10 2026-08-18 01:08 639226120218260005
14 ms 104.21.39.76
9 2026-08-18 01:08 639226120218260005
14 ms 172.67.143.199
8 2026-08-18 00:52 639226110875503904
21 ms 172.67.143.199
7 2026-08-18 00:52 639226110875503904
21 ms 104.21.39.76
6 2026-08-18 00:36 639226101376311912
53 ms 172.67.143.199
5 2026-08-18 00:36 639226101376311912
53 ms 104.21.39.76
4 2026-08-18 00:21 639226091924943492
31 ms 172.67.143.199
3 2026-08-18 00:21 639226091924943492
31 ms 104.21.39.76
2 2026-08-18 00:04 639226082133158124
98 ms 172.67.143.199
1 2026-08-18 00:04 639226082133158124
98 ms 104.21.39.76