DNS response history for ns1.example.co

ns1.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 2026-08-22. For this date, NameServerHistory found 148 DNS check records, 148 successful responses, 0 failed responses, and 169 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 ns1.example.co.
Records on Selected Date

148

Historical checks stored for this nameserver on selected date

Average Latency

169 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-22 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

148

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 ns1.example.co

Showing DNS history for 2026-08-22 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
148 2026-08-22 23:47 639230391807229016
53 ms 172.67.143.199
147 2026-08-22 23:47 639230391807229016
53 ms 104.21.39.76
146 2026-08-22 23:31 639230382051619327
4066 ms 172.67.143.199
145 2026-08-22 23:31 639230382051619327
4066 ms 104.21.39.76
144 2026-08-22 23:15 639230372323353529
35 ms 172.67.143.199
143 2026-08-22 23:15 639230372323353529
35 ms 104.21.39.76
142 2026-08-22 22:58 639230362586451064
46 ms 172.67.143.199
141 2026-08-22 22:58 639230362586451064
46 ms 104.21.39.76
140 2026-08-22 22:42 639230352793666303
18 ms 172.67.143.199
139 2026-08-22 22:42 639230352793666303
18 ms 104.21.39.76
138 2026-08-22 22:25 639230342775737758
15 ms 172.67.143.199
137 2026-08-22 22:25 639230342775737758
15 ms 104.21.39.76
136 2026-08-22 22:08 639230332639939561
23 ms 172.67.143.199
135 2026-08-22 22:08 639230332639939561
23 ms 104.21.39.76
134 2026-08-22 21:16 639230301014190104
29 ms 104.21.39.76
133 2026-08-22 21:16 639230301014190104
29 ms 172.67.143.199
132 2026-08-22 20:59 639230291048161498
46 ms 104.21.39.76
131 2026-08-22 20:59 639230291048161498
46 ms 172.67.143.199
130 2026-08-22 20:42 639230280894353664
5 ms 104.21.39.76
129 2026-08-22 20:42 639230280894353664
5 ms 172.67.143.199
128 2026-08-22 20:25 639230270699419073
17 ms 172.67.143.199
127 2026-08-22 20:25 639230270699419073
17 ms 104.21.39.76
126 2026-08-22 20:08 639230260248163050
41 ms 172.67.143.199
125 2026-08-22 20:08 639230260248163050
41 ms 104.21.39.76
124 2026-08-22 19:51 639230250122494282
30 ms 104.21.39.76
123 2026-08-22 19:51 639230250122494282
30 ms 172.67.143.199
122 2026-08-22 19:34 639230239972935046
83 ms 172.67.143.199
121 2026-08-22 19:34 639230239972935046
83 ms 104.21.39.76
120 2026-08-22 19:17 639230229963262464
18 ms 172.67.143.199
119 2026-08-22 19:17 639230229963262464
18 ms 104.21.39.76
118 2026-08-22 19:01 639230220033804658
31 ms 104.21.39.76
117 2026-08-22 19:01 639230220033804658
31 ms 172.67.143.199
116 2026-08-22 18:44 639230209891107289
29 ms 172.67.143.199
115 2026-08-22 18:44 639230209891107289
29 ms 104.21.39.76
114 2026-08-22 18:27 639230199630298717
26 ms 104.21.39.76
113 2026-08-22 18:27 639230199630298717
26 ms 172.67.143.199
112 2026-08-22 18:10 639230189301984150
10 ms 104.21.39.76
111 2026-08-22 18:10 639230189301984150
10 ms 172.67.143.199
110 2026-08-22 17:16 639230157138468804
11 ms 172.67.143.199
109 2026-08-22 17:16 639230157138468804
11 ms 104.21.39.76
108 2026-08-22 16:59 639230146987869495
33 ms 172.67.143.199
107 2026-08-22 16:59 639230146987869495
33 ms 104.21.39.76
106 2026-08-22 16:42 639230136768638516
17 ms 104.21.39.76
105 2026-08-22 16:42 639230136768638516
17 ms 172.67.143.199
104 2026-08-22 16:25 639230126735907877
182 ms 104.21.39.76
103 2026-08-22 16:25 639230126735907877
182 ms 172.67.143.199
102 2026-08-22 16:08 639230116551187768
15 ms 172.67.143.199
101 2026-08-22 16:08 639230116551187768
15 ms 104.21.39.76
100 2026-08-22 15:51 639230106335615913
43 ms 172.67.143.199
99 2026-08-22 15:51 639230106335615913
43 ms 104.21.39.76
98 2026-08-22 15:34 639230096177758176
72 ms 172.67.143.199
97 2026-08-22 15:34 639230096177758176
72 ms 104.21.39.76
96 2026-08-22 15:18 639230086185999993
40 ms 172.67.143.199
95 2026-08-22 15:18 639230086185999993
40 ms 104.21.39.76
94 2026-08-22 15:01 639230076247854903
7 ms 104.21.39.76
93 2026-08-22 15:01 639230076247854903
7 ms 172.67.143.199
92 2026-08-22 14:44 639230066076077530
26 ms 172.67.143.199
91 2026-08-22 14:44 639230066076077530
26 ms 104.21.39.76
90 2026-08-22 14:27 639230055738197328
29 ms 172.67.143.199
89 2026-08-22 14:27 639230055738197328
29 ms 104.21.39.76
88 2026-08-22 14:10 639230045411225521
53 ms 172.67.143.199
87 2026-08-22 14:10 639230045411225521
53 ms 104.21.39.76
86 2026-08-22 13:16 639230013046000470
5 ms 172.67.143.199
85 2026-08-22 13:16 639230013046000470
5 ms 104.21.39.76
84 2026-08-22 12:59 639230003090037878
7 ms 104.21.39.76
83 2026-08-22 12:59 639230003090037878
7 ms 172.67.143.199
82 2026-08-22 12:42 639229993008259475
58 ms 104.21.39.76
81 2026-08-22 12:42 639229993008259475
58 ms 172.67.143.199
80 2026-08-22 12:26 639229982909449470
55 ms 104.21.39.76
79 2026-08-22 12:26 639229982909449470
55 ms 172.67.143.199
78 2026-08-22 12:09 639229973035502212
50 ms 172.67.143.199
77 2026-08-22 12:09 639229973035502212
50 ms 104.21.39.76
76 2026-08-22 11:52 639229963064296145
50 ms 104.21.39.76
75 2026-08-22 11:52 639229963064296145
50 ms 172.67.143.199
74 2026-08-22 11:36 639229952996162143
21 ms 172.67.143.199
73 2026-08-22 11:36 639229952996162143
21 ms 104.21.39.76
72 2026-08-22 11:19 639229943051949195
26 ms 172.67.143.199
71 2026-08-22 11:19 639229943051949195
26 ms 104.21.39.76
70 2026-08-22 11:02 639229932919214934
55 ms 104.21.39.76
69 2026-08-22 11:02 639229932919214934
55 ms 172.67.143.199
68 2026-08-22 10:45 639229922745889838
14 ms 104.21.39.76
67 2026-08-22 10:45 639229922745889838
14 ms 172.67.143.199
66 2026-08-22 10:28 639229912587214796
4031 ms 104.21.39.76
65 2026-08-22 10:28 639229912587214796
4031 ms 172.67.143.199
64 2026-08-22 10:11 639229902240004454
32 ms 172.67.143.199
63 2026-08-22 10:11 639229902240004454
32 ms 104.21.39.76
62 2026-08-22 09:19 639229870800501662
20 ms 104.21.39.76
61 2026-08-22 09:19 639229870800501662
20 ms 172.67.143.199
60 2026-08-22 09:02 639229861058384956
35 ms 104.21.39.76
59 2026-08-22 09:02 639229861058384956
35 ms 172.67.143.199
58 2026-08-22 08:46 639229851158592604
29 ms 104.21.39.76
57 2026-08-22 08:46 639229851158592604
29 ms 172.67.143.199
56 2026-08-22 08:30 639229841475569629
20 ms 172.67.143.199
55 2026-08-22 08:30 639229841475569629
20 ms 104.21.39.76
54 2026-08-22 08:14 639229831887658471
33 ms 104.21.39.76
53 2026-08-22 08:14 639229831887658471
33 ms 172.67.143.199
52 2026-08-22 07:57 639229822043670346
83 ms 104.21.39.76
51 2026-08-22 07:57 639229822043670346
83 ms 172.67.143.199
50 2026-08-22 07:41 639229812327913936
22 ms 104.21.39.76
49 2026-08-22 07:41 639229812327913936
22 ms 172.67.143.199
48 2026-08-22 07:25 639229802629488686
17 ms 172.67.143.199
47 2026-08-22 07:25 639229802629488686
17 ms 104.21.39.76
46 2026-08-22 07:09 639229793051447309
44 ms 104.21.39.76
45 2026-08-22 07:09 639229793051447309
44 ms 172.67.143.199
44 2026-08-22 06:53 639229783303531961
14 ms 172.67.143.199
43 2026-08-22 06:53 639229783303531961
14 ms 104.21.39.76
42 2026-08-22 06:36 639229773458051942
36 ms 104.21.39.76
41 2026-08-22 06:36 639229773458051942
36 ms 172.67.143.199
40 2026-08-22 06:20 639229763373848056
48 ms 172.67.143.199
39 2026-08-22 06:20 639229763373848056
48 ms 104.21.39.76
38 2026-08-22 05:28 639229732140622809
26 ms 172.67.143.199
37 2026-08-22 05:28 639229732140622809
26 ms 104.21.39.76
36 2026-08-22 05:12 639229722699695967
35 ms 172.67.143.199
35 2026-08-22 05:12 639229722699695967
35 ms 104.21.39.76
34 2026-08-22 04:56 639229713097498075
42 ms 172.67.143.199
33 2026-08-22 04:56 639229713097498075
42 ms 104.21.39.76
32 2026-08-22 04:40 639229703543969637
46 ms 104.21.39.76
31 2026-08-22 04:40 639229703543969637
46 ms 172.67.143.199
30 2026-08-22 04:24 639229693970392873
13 ms 104.21.39.76
29 2026-08-22 04:24 639229693970392873
13 ms 172.67.143.199
28 2026-08-22 04:08 639229684277329469
8 ms 104.21.39.76
27 2026-08-22 04:08 639229684277329469
8 ms 172.67.143.199
26 2026-08-22 03:51 639229674501596661
17 ms 104.21.39.76
25 2026-08-22 03:51 639229674501596661
17 ms 172.67.143.199
24 2026-08-22 03:36 639229665064441147
30 ms 172.67.143.199
23 2026-08-22 03:36 639229665064441147
30 ms 104.21.39.76
22 2026-08-22 03:20 639229655507536872
10 ms 172.67.143.199
21 2026-08-22 03:20 639229655507536872
10 ms 104.21.39.76
20 2026-08-22 03:04 639229645849603111
38 ms 172.67.143.199
19 2026-08-22 03:04 639229645849603111
38 ms 104.21.39.76
18 2026-08-22 02:47 639229636090497453
16 ms 172.67.143.199
17 2026-08-22 02:47 639229636090497453
16 ms 104.21.39.76
16 2026-08-22 02:31 639229625978544281
2017 ms 104.21.39.76
15 2026-08-22 02:31 639229625978544281
2017 ms 172.67.143.199
14 2026-08-22 01:38 639229594644662176
19 ms 104.21.39.76
13 2026-08-22 01:38 639229594644662176
19 ms 172.67.143.199
12 2026-08-22 01:23 639229585214633065
15 ms 172.67.143.199
11 2026-08-22 01:23 639229585214633065
15 ms 104.21.39.76
10 2026-08-22 01:07 639229575581042175
18 ms 104.21.39.76
9 2026-08-22 01:07 639229575581042175
18 ms 172.67.143.199
8 2026-08-22 00:51 639229565912268962
106 ms 172.67.143.199
7 2026-08-22 00:51 639229565912268962
106 ms 104.21.39.76
6 2026-08-22 00:34 639229556237813203
12 ms 104.21.39.76
5 2026-08-22 00:34 639229556237813203
12 ms 172.67.143.199
4 2026-08-22 00:18 639229546625802518
44 ms 104.21.39.76
3 2026-08-22 00:18 639229546625802518
44 ms 172.67.143.199
2 2026-08-22 00:03 639229537172016621
5 ms 172.67.143.199
1 2026-08-22 00:03 639229537172016621
5 ms 104.21.39.76