DNS response history for ns1.testifyingexpert.com

ns1.testifyingexpert.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 2026-08-10. For this date, NameServerHistory found 161 DNS check records, 158 successful responses, 3 failed responses, and 241 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.testifyingexpert.com.
Records on Selected Date

161

Historical checks stored for this nameserver on selected date

Average Latency

241 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-10 23:54

All timestamps shown in UTC

Latest Resolved IP on Selected Date

104.21.15.44

Most recently resolved hosting IP on selected date

Successful Responses

158

Checks that returned a measurable response

Failed Responses

3

Checks with no response or no returned latency

Failure Rate

2%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns1.testifyingexpert.com

Showing DNS history for 2026-08-10 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
161 2026-08-10 23:54 639220027366289509
2044 ms 104.21.15.44
160 2026-08-10 23:54 639220027366289509
2044 ms 172.67.205.84
159 2026-08-10 23:39 639220018272941900
46 ms 104.21.15.44
158 2026-08-10 23:39 639220018272941900
46 ms 172.67.205.84
157 2026-08-10 23:24 639220009109892969
50 ms 104.21.15.44
156 2026-08-10 23:24 639220009109892969
50 ms 172.67.205.84
155 2026-08-10 23:09 639220000040489788
75 ms 104.21.15.44
154 2026-08-10 23:09 639220000040489788
75 ms 172.67.205.84
153 2026-08-10 22:54 639219991197135747
10 ms 104.21.15.44
152 2026-08-10 22:54 639219991197135747
10 ms 172.67.205.84
151 2026-08-10 22:39 639219982104540014
2059 ms 172.67.205.84
150 2026-08-10 22:39 639219982104540014
2059 ms 104.21.15.44
149 2026-08-10 22:24 639219973150300215
16 ms 172.67.205.84
148 2026-08-10 22:24 639219973150300215
16 ms 104.21.15.44
147 2026-08-10 22:09 639219964188486697
69 ms 104.21.15.44
146 2026-08-10 22:09 639219964188486697
69 ms 172.67.205.84
145 2026-08-10 21:53 639219954995921784
37 ms 172.67.205.84
144 2026-08-10 21:53 639219954995921784
37 ms 104.21.15.44
143 2026-08-10 21:38 639219945559908104
15 ms 104.21.15.44
142 2026-08-10 21:38 639219945559908104
15 ms 172.67.205.84
141 2026-08-10 20:46 639219914137782273
2102 ms 104.21.15.44
140 2026-08-10 20:46 639219914137782273
2102 ms 172.67.205.84
139 2026-08-10 20:30 639219904858355064
50 ms 104.21.15.44
138 2026-08-10 20:30 639219904858355064
50 ms 172.67.205.84
137 2026-08-10 20:15 639219895655263396
24 ms 104.21.15.44
136 2026-08-10 20:15 639219895655263396
24 ms 172.67.205.84
135 2026-08-10 20:00 639219886527091074
30 ms 104.21.15.44
134 2026-08-10 20:00 639219886527091074
30 ms 172.67.205.84
133 2026-08-10 19:44 639219877343266628
28 ms 104.21.15.44
132 2026-08-10 19:44 639219877343266628
28 ms 172.67.205.84
131 2026-08-10 19:29 639219868177358195
15 ms 104.21.15.44
130 2026-08-10 19:29 639219868177358195
15 ms 172.67.205.84
129 2026-08-10 19:14 639219859159581515
27 ms 172.67.205.84
128 2026-08-10 19:14 639219859159581515
27 ms 104.21.15.44
127 2026-08-10 18:59 639219850124020182
44 ms 172.67.205.84
126 2026-08-10 18:59 639219850124020182
44 ms 104.21.15.44
125 2026-08-10 18:44 639219840940124840
34 ms 104.21.15.44
124 2026-08-10 18:44 639219840940124840
34 ms 172.67.205.84
123 2026-08-10 18:28 639219831829876486
21 ms 104.21.15.44
122 2026-08-10 18:28 639219831829876486
21 ms 172.67.205.84
121 2026-08-10 18:13 639219822587759143
80 ms 172.67.205.84
120 2026-08-10 18:13 639219822587759143
80 ms 104.21.15.44
119 2026-08-10 17:57 639219813247114428
36 ms 104.21.15.44
118 2026-08-10 17:57 639219813247114428
36 ms 172.67.205.84
117 2026-08-10 17:05 639219781959606396
16 ms 172.67.205.84
116 2026-08-10 17:05 639219781959606396
16 ms 104.21.15.44
115 2026-08-10 16:50 639219772658305431
2031 ms 172.67.205.84
114 2026-08-10 16:50 639219772658305431
2031 ms 104.21.15.44
113 2026-08-10 16:35 639219763454523027
22 ms 172.67.205.84
112 2026-08-10 16:35 639219763454523027
22 ms 104.21.15.44
111 2026-08-10 16:19 639219754279127815
12 ms 104.21.15.44
110 2026-08-10 16:19 639219754279127815
12 ms 172.67.205.84
109 2026-08-10 16:04 639219745087467767
13 ms 172.67.205.84
108 2026-08-10 16:04 639219745087467767
13 ms 104.21.15.44
107 2026-08-10 15:49 639219735900678107
34 ms 104.21.15.44
106 2026-08-10 15:49 639219735900678107
34 ms 172.67.205.84
105 2026-08-10 15:33 639219726531461979
19 ms 172.67.205.84
104 2026-08-10 15:33 639219726531461979
19 ms 104.21.15.44
103 2026-08-10 15:18 639219717415222156
29 ms 172.67.205.84
102 2026-08-10 15:18 639219717415222156
29 ms 104.21.15.44
101 2026-08-10 15:03 639219708266470863
34 ms 172.67.205.84
100 2026-08-10 15:03 639219708266470863
34 ms 104.21.15.44
99 2026-08-10 14:47 639219699049479559
47 ms 172.67.205.84
98 2026-08-10 14:47 639219699049479559
47 ms 104.21.15.44
97 2026-08-10 14:32 639219689775815194
17 ms 104.21.15.44
96 2026-08-10 14:32 639219689775815194
17 ms 172.67.205.84
95 2026-08-10 14:16 639219680511810632
25 ms 104.21.15.44
94 2026-08-10 14:16 639219680511810632
25 ms 172.67.205.84
93 2026-08-10 13:22 639219648997191257
30 ms 172.67.205.84
92 2026-08-10 13:22 639219648997191257
30 ms 104.21.15.44
91 2026-08-10 13:07 639219639938909436
-
90 2026-08-10 12:52 639219630718286441
49 ms 104.21.15.44
89 2026-08-10 12:52 639219630718286441
49 ms 172.67.205.84
88 2026-08-10 12:36 639219621472350410
-
87 2026-08-10 12:21 639219612500421992
14 ms 172.67.205.84
86 2026-08-10 12:21 639219612500421992
14 ms 104.21.15.44
85 2026-08-10 12:06 639219603383833445
10 ms 104.21.15.44
84 2026-08-10 12:06 639219603383833445
10 ms 172.67.205.84
83 2026-08-10 11:51 639219594143823358
58 ms 104.21.15.44
82 2026-08-10 11:51 639219594143823358
58 ms 172.67.205.84
81 2026-08-10 11:35 639219585053166024
56 ms 172.67.205.84
80 2026-08-10 11:35 639219585053166024
56 ms 104.21.15.44
79 2026-08-10 11:20 639219575885776644
50 ms 104.21.15.44
78 2026-08-10 11:20 639219575885776644
50 ms 172.67.205.84
77 2026-08-10 11:05 639219566844532361
-
76 2026-08-10 10:50 639219557705808294
44 ms 172.67.205.84
75 2026-08-10 10:50 639219557705808294
44 ms 104.21.15.44
74 2026-08-10 10:34 639219548482688649
56 ms 172.67.205.84
73 2026-08-10 10:34 639219548482688649
56 ms 104.21.15.44
72 2026-08-10 09:42 639219517492763539
7 ms 172.67.205.84
71 2026-08-10 09:42 639219517492763539
7 ms 104.21.15.44
70 2026-08-10 09:28 639219508755773605
33 ms 172.67.205.84
69 2026-08-10 09:28 639219508755773605
33 ms 104.21.15.44
68 2026-08-10 09:13 639219499852103863
42 ms 172.67.205.84
67 2026-08-10 09:13 639219499852103863
42 ms 104.21.15.44
66 2026-08-10 08:58 639219490893714387
57 ms 172.67.205.84
65 2026-08-10 08:58 639219490893714387
57 ms 104.21.15.44
64 2026-08-10 08:44 639219482299305521
2098 ms 172.67.205.84
63 2026-08-10 08:44 639219482299305521
2098 ms 104.21.15.44
62 2026-08-10 08:29 639219473613114853
35 ms 172.67.205.84
61 2026-08-10 08:29 639219473613114853
35 ms 104.21.15.44
60 2026-08-10 08:15 639219465061138643
4048 ms 104.21.15.44
59 2026-08-10 08:15 639219465061138643
4048 ms 172.67.205.84
58 2026-08-10 08:01 639219456616129015
83 ms 104.21.15.44
57 2026-08-10 08:01 639219456616129015
83 ms 172.67.205.84
56 2026-08-10 07:46 639219447974008557
49 ms 172.67.205.84
55 2026-08-10 07:46 639219447974008557
49 ms 104.21.15.44
54 2026-08-10 07:32 639219439498255213
36 ms 104.21.15.44
53 2026-08-10 07:32 639219439498255213
36 ms 172.67.205.84
52 2026-08-10 07:18 639219430664872256
38 ms 104.21.15.44
51 2026-08-10 07:18 639219430664872256
38 ms 172.67.205.84
50 2026-08-10 07:03 639219421757560037
51 ms 104.21.15.44
49 2026-08-10 07:03 639219421757560037
51 ms 172.67.205.84
48 2026-08-10 06:11 639219390773218684
23 ms 172.67.205.84
47 2026-08-10 06:11 639219390773218684
23 ms 104.21.15.44
46 2026-08-10 05:57 639219382205367722
84 ms 172.67.205.84
45 2026-08-10 05:57 639219382205367722
84 ms 104.21.15.44
44 2026-08-10 05:43 639219373711937615
45 ms 104.21.15.44
43 2026-08-10 05:43 639219373711937615
45 ms 172.67.205.84
42 2026-08-10 05:29 639219365088558404
80 ms 104.21.15.44
41 2026-08-10 05:29 639219365088558404
80 ms 172.67.205.84
40 2026-08-10 05:14 639219356348833255
26 ms 172.67.205.84
39 2026-08-10 05:14 639219356348833255
26 ms 104.21.15.44
38 2026-08-10 05:00 639219347860053478
50 ms 172.67.205.84
37 2026-08-10 05:00 639219347860053478
50 ms 104.21.15.44
36 2026-08-10 04:45 639219339173195121
16 ms 104.21.15.44
35 2026-08-10 04:45 639219339173195121
16 ms 172.67.205.84
34 2026-08-10 04:31 639219330642664669
31 ms 172.67.205.84
33 2026-08-10 04:31 639219330642664669
31 ms 104.21.15.44
32 2026-08-10 04:17 639219322058698995
34 ms 172.67.205.84
31 2026-08-10 04:17 639219322058698995
34 ms 104.21.15.44
30 2026-08-10 04:03 639219313564344199
51 ms 104.21.15.44
29 2026-08-10 04:03 639219313564344199
51 ms 172.67.205.84
28 2026-08-10 03:48 639219304775113236
20 ms 172.67.205.84
27 2026-08-10 03:48 639219304775113236
20 ms 104.21.15.44
26 2026-08-10 03:33 639219295706181119
35 ms 104.21.15.44
25 2026-08-10 03:33 639219295706181119
35 ms 172.67.205.84
24 2026-08-10 02:41 639219264663923254
20 ms 172.67.205.84
23 2026-08-10 02:41 639219264663923254
20 ms 104.21.15.44
22 2026-08-10 02:27 639219256015178099
6 ms 172.67.205.84
21 2026-08-10 02:27 639219256015178099
6 ms 104.21.15.44
20 2026-08-10 02:13 639219247509540188
33 ms 104.21.15.44
19 2026-08-10 02:13 639219247509540188
33 ms 172.67.205.84
18 2026-08-10 01:58 639219238999539092
41 ms 172.67.205.84
17 2026-08-10 01:58 639219238999539092
41 ms 104.21.15.44
16 2026-08-10 01:44 639219230498823902
2016 ms 172.67.205.84
15 2026-08-10 01:44 639219230498823902
2016 ms 104.21.15.44
14 2026-08-10 01:30 639219221706460911
13 ms 172.67.205.84
13 2026-08-10 01:30 639219221706460911
13 ms 104.21.15.44
12 2026-08-10 01:15 639219212930606887
20 ms 172.67.205.84
11 2026-08-10 01:15 639219212930606887
20 ms 104.21.15.44
10 2026-08-10 01:01 639219204307908525
48 ms 104.21.15.44
9 2026-08-10 01:01 639219204307908525
48 ms 172.67.205.84
8 2026-08-10 00:46 639219195720181470
45 ms 172.67.205.84
7 2026-08-10 00:46 639219195720181470
45 ms 104.21.15.44
6 2026-08-10 00:32 639219186898174002
31 ms 104.21.15.44
5 2026-08-10 00:32 639219186898174002
31 ms 172.67.205.84
4 2026-08-10 00:17 639219178004946976
49 ms 104.21.15.44
3 2026-08-10 00:17 639219178004946976
49 ms 172.67.205.84
2 2026-08-10 00:02 639219168958805474
33 ms 104.21.15.44
1 2026-08-10 00:02 639219168958805474
33 ms 172.67.205.84