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 2026-08-18. For this date, NameServerHistory found 149 DNS check records, 148 successful responses, 1 failed responses, and 143 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

149

Historical checks stored for this nameserver on selected date

Average Latency

143 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-18 23:49

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

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 ns1.testifyingexpert.com

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 23:49 639226935204800669
37 ms 104.21.15.44
148 2026-08-18 23:49 639226935204800669
37 ms 172.67.205.84
147 2026-08-18 23:32 639226925298919497
15 ms 104.21.15.44
146 2026-08-18 23:32 639226925298919497
15 ms 172.67.205.84
145 2026-08-18 23:16 639226915487885053
22 ms 104.21.15.44
144 2026-08-18 23:16 639226915487885053
22 ms 172.67.205.84
143 2026-08-18 22:59 639226905465760034
10 ms 172.67.205.84
142 2026-08-18 22:59 639226905465760034
10 ms 104.21.15.44
141 2026-08-18 22:42 639226895378104692
115 ms 172.67.205.84
140 2026-08-18 22:42 639226895378104692
115 ms 104.21.15.44
139 2026-08-18 21:49 639226863374232622
10 ms 172.67.205.84
138 2026-08-18 21:49 639226863374232622
10 ms 104.21.15.44
137 2026-08-18 21:33 639226853698516058
17 ms 172.67.205.84
136 2026-08-18 21:33 639226853698516058
17 ms 104.21.15.44
135 2026-08-18 21:16 639226843797360601
20 ms 104.21.15.44
134 2026-08-18 21:16 639226843797360601
20 ms 172.67.205.84
133 2026-08-18 21:00 639226834046588155
26 ms 172.67.205.84
132 2026-08-18 21:00 639226834046588155
26 ms 104.21.15.44
131 2026-08-18 20:44 639226824234488533
20 ms 172.67.205.84
130 2026-08-18 20:44 639226824234488533
20 ms 104.21.15.44
129 2026-08-18 20:27 639226814549928621
29 ms 104.21.15.44
128 2026-08-18 20:27 639226814549928621
29 ms 172.67.205.84
127 2026-08-18 20:11 639226804721432353
47 ms 104.21.15.44
126 2026-08-18 20:11 639226804721432353
47 ms 172.67.205.84
125 2026-08-18 19:55 639226795048828184
59 ms 104.21.15.44
124 2026-08-18 19:55 639226795048828184
59 ms 172.67.205.84
123 2026-08-18 19:39 639226785202482420
26 ms 172.67.205.84
122 2026-08-18 19:39 639226785202482420
26 ms 104.21.15.44
121 2026-08-18 19:22 639226775309362607
29 ms 172.67.205.84
120 2026-08-18 19:22 639226775309362607
29 ms 104.21.15.44
119 2026-08-18 19:05 639226765406586155
33 ms 172.67.205.84
118 2026-08-18 19:05 639226765406586155
33 ms 104.21.15.44
117 2026-08-18 18:49 639226755437790519
21 ms 104.21.15.44
116 2026-08-18 18:49 639226755437790519
21 ms 172.67.205.84
115 2026-08-18 17:56 639226723856194457
-
114 2026-08-18 17:40 639226714050583422
38 ms 104.21.15.44
113 2026-08-18 17:40 639226714050583422
38 ms 172.67.205.84
112 2026-08-18 17:24 639226704236499724
38 ms 172.67.205.84
111 2026-08-18 17:24 639226704236499724
38 ms 104.21.15.44
110 2026-08-18 17:07 639226694184520163
18 ms 172.67.205.84
109 2026-08-18 17:07 639226694184520163
18 ms 104.21.15.44
108 2026-08-18 16:50 639226684161203477
41 ms 104.21.15.44
107 2026-08-18 16:50 639226684161203477
41 ms 172.67.205.84
106 2026-08-18 16:34 639226674305430109
78 ms 104.21.15.44
105 2026-08-18 16:34 639226674305430109
78 ms 172.67.205.84
104 2026-08-18 16:17 639226664489607984
103 ms 172.67.205.84
103 2026-08-18 16:17 639226664489607984
103 ms 104.21.15.44
102 2026-08-18 16:01 639226654533111667
21 ms 104.21.15.44
101 2026-08-18 16:01 639226654533111667
21 ms 172.67.205.84
100 2026-08-18 15:44 639226644778594725
30 ms 172.67.205.84
99 2026-08-18 15:44 639226644778594725
30 ms 104.21.15.44
98 2026-08-18 15:28 639226634901553621
24 ms 104.21.15.44
97 2026-08-18 15:28 639226634901553621
24 ms 172.67.205.84
96 2026-08-18 15:11 639226624921864967
50 ms 104.21.15.44
95 2026-08-18 15:11 639226624921864967
50 ms 172.67.205.84
94 2026-08-18 14:55 639226614939419403
41 ms 104.21.15.44
93 2026-08-18 14:55 639226614939419403
41 ms 172.67.205.84
92 2026-08-18 14:02 639226583021074771
31 ms 104.21.15.44
91 2026-08-18 14:02 639226583021074771
31 ms 172.67.205.84
90 2026-08-18 13:45 639226573279933585
15 ms 172.67.205.84
89 2026-08-18 13:45 639226573279933585
15 ms 104.21.15.44
88 2026-08-18 13:29 639226563494036301
33 ms 172.67.205.84
87 2026-08-18 13:29 639226563494036301
33 ms 104.21.15.44
86 2026-08-18 13:13 639226553708216256
35 ms 172.67.205.84
85 2026-08-18 13:13 639226553708216256
35 ms 104.21.15.44
84 2026-08-18 12:57 639226544003734815
47 ms 104.21.15.44
83 2026-08-18 12:57 639226544003734815
47 ms 172.67.205.84
82 2026-08-18 12:40 639226534105733155
47 ms 104.21.15.44
81 2026-08-18 12:40 639226534105733155
47 ms 172.67.205.84
80 2026-08-18 12:24 639226524298118898
53 ms 104.21.15.44
79 2026-08-18 12:24 639226524298118898
53 ms 172.67.205.84
78 2026-08-18 12:07 639226514525195335
16 ms 104.21.15.44
77 2026-08-18 12:07 639226514525195335
16 ms 172.67.205.84
76 2026-08-18 11:51 639226504703635320
2065 ms 104.21.15.44
75 2026-08-18 11:51 639226504703635320
2065 ms 172.67.205.84
74 2026-08-18 11:34 639226494737271720
18 ms 104.21.15.44
73 2026-08-18 11:34 639226494737271720
18 ms 172.67.205.84
72 2026-08-18 11:18 639226485005027236
2042 ms 104.21.15.44
71 2026-08-18 11:18 639226485005027236
2042 ms 172.67.205.84
70 2026-08-18 11:02 639226475133236105
56 ms 104.21.15.44
69 2026-08-18 11:02 639226475133236105
56 ms 172.67.205.84
68 2026-08-18 10:08 639226442975077052
13 ms 104.21.15.44
67 2026-08-18 10:08 639226442975077052
13 ms 172.67.205.84
66 2026-08-18 09:52 639226433317932039
4 ms 172.67.205.84
65 2026-08-18 09:52 639226433317932039
4 ms 104.21.15.44
64 2026-08-18 09:36 639226423688431096
43 ms 172.67.205.84
63 2026-08-18 09:36 639226423688431096
43 ms 104.21.15.44
62 2026-08-18 09:20 639226413998250045
48 ms 172.67.205.84
61 2026-08-18 09:20 639226413998250045
48 ms 104.21.15.44
60 2026-08-18 09:04 639226404284554875
10 ms 104.21.15.44
59 2026-08-18 09:04 639226404284554875
10 ms 172.67.205.84
58 2026-08-18 08:48 639226394637043309
15 ms 104.21.15.44
57 2026-08-18 08:48 639226394637043309
15 ms 172.67.205.84
56 2026-08-18 08:31 639226385052447582
25 ms 172.67.205.84
55 2026-08-18 08:31 639226385052447582
25 ms 104.21.15.44
54 2026-08-18 08:16 639226375506189603
20 ms 172.67.205.84
53 2026-08-18 08:16 639226375506189603
20 ms 104.21.15.44
52 2026-08-18 07:59 639226365690646426
2039 ms 104.21.15.44
51 2026-08-18 07:59 639226365690646426
2039 ms 172.67.205.84
50 2026-08-18 07:43 639226355771007701
9 ms 104.21.15.44
49 2026-08-18 07:43 639226355771007701
9 ms 172.67.205.84
48 2026-08-18 07:26 639226345946269369
86 ms 172.67.205.84
47 2026-08-18 07:26 639226345946269369
86 ms 104.21.15.44
46 2026-08-18 07:10 639226336241601848
15 ms 172.67.205.84
45 2026-08-18 07:10 639226336241601848
15 ms 104.21.15.44
44 2026-08-18 06:18 639226304950675290
32 ms 104.21.15.44
43 2026-08-18 06:18 639226304950675290
32 ms 172.67.205.84
42 2026-08-18 06:02 639226295324754616
66 ms 172.67.205.84
41 2026-08-18 06:02 639226295324754616
66 ms 104.21.15.44
40 2026-08-18 05:46 639226285824640601
20 ms 172.67.205.84
39 2026-08-18 05:46 639226285824640601
20 ms 104.21.15.44
38 2026-08-18 05:30 639226276321223917
16 ms 104.21.15.44
37 2026-08-18 05:30 639226276321223917
16 ms 172.67.205.84
36 2026-08-18 05:15 639226266800200046
2057 ms 104.21.15.44
35 2026-08-18 05:15 639226266800200046
2057 ms 172.67.205.84
34 2026-08-18 04:58 639226256958066164
16 ms 104.21.15.44
33 2026-08-18 04:58 639226256958066164
16 ms 172.67.205.84
32 2026-08-18 04:42 639226247432364597
37 ms 172.67.205.84
31 2026-08-18 04:42 639226247432364597
37 ms 104.21.15.44
30 2026-08-18 04:26 639226237703388552
52 ms 172.67.205.84
29 2026-08-18 04:26 639226237703388552
52 ms 104.21.15.44
28 2026-08-18 04:10 639226227937569589
17 ms 104.21.15.44
27 2026-08-18 04:10 639226227937569589
17 ms 172.67.205.84
26 2026-08-18 03:53 639226218052465471
7 ms 172.67.205.84
25 2026-08-18 03:53 639226218052465471
7 ms 104.21.15.44
24 2026-08-18 03:37 639226208429623997
36 ms 172.67.205.84
23 2026-08-18 03:37 639226208429623997
36 ms 104.21.15.44
22 2026-08-18 03:21 639226198800675295
35 ms 104.21.15.44
21 2026-08-18 03:21 639226198800675295
35 ms 172.67.205.84
20 2026-08-18 02:29 639226167722042574
28 ms 172.67.205.84
19 2026-08-18 02:29 639226167722042574
28 ms 104.21.15.44
18 2026-08-18 02:14 639226158277924383
31 ms 172.67.205.84
17 2026-08-18 02:14 639226158277924383
31 ms 104.21.15.44
16 2026-08-18 01:58 639226148757810592
35 ms 104.21.15.44
15 2026-08-18 01:58 639226148757810592
35 ms 172.67.205.84
14 2026-08-18 01:42 639226139348611045
104 ms 104.21.15.44
13 2026-08-18 01:42 639226139348611045
104 ms 172.67.205.84
12 2026-08-18 01:26 639226129823462907
43 ms 172.67.205.84
11 2026-08-18 01:26 639226129823462907
43 ms 104.21.15.44
10 2026-08-18 01:10 639226120218260005
7 ms 172.67.205.84
9 2026-08-18 01:10 639226120218260005
7 ms 104.21.15.44
8 2026-08-18 00:55 639226110875503904
13 ms 172.67.205.84
7 2026-08-18 00:55 639226110875503904
13 ms 104.21.15.44
6 2026-08-18 00:39 639226101376311912
40 ms 104.21.15.44
5 2026-08-18 00:39 639226101376311912
40 ms 172.67.205.84
4 2026-08-18 00:23 639226091924943492
35 ms 172.67.205.84
3 2026-08-18 00:23 639226091924943492
35 ms 104.21.15.44
2 2026-08-18 00:07 639226082133158124
65 ms 104.21.15.44
1 2026-08-18 00:07 639226082133158124
65 ms 172.67.205.84