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 2026-08-17. For this date, NameServerHistory found 144 DNS check records, 144 successful responses, 0 failed responses, and 288 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

144

Historical checks stored for this nameserver on selected date

Average Latency

288 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-17 23:50

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

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 ns1.testifyingexpert.com

Showing DNS history for 2026-08-17 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 2026-08-17 23:50 639226072268080268
15 ms 104.21.15.44
143 2026-08-17 23:50 639226072268080268
15 ms 172.67.205.84
142 2026-08-17 23:34 639226062577647657
31 ms 104.21.15.44
141 2026-08-17 23:34 639226062577647657
31 ms 172.67.205.84
140 2026-08-17 22:42 639226031060857136
38 ms 172.67.205.84
139 2026-08-17 22:42 639226031060857136
38 ms 104.21.15.44
138 2026-08-17 22:26 639226021535117364
20 ms 172.67.205.84
137 2026-08-17 22:26 639226021535117364
20 ms 104.21.15.44
136 2026-08-17 22:10 639226011884237078
42 ms 104.21.15.44
135 2026-08-17 22:10 639226011884237078
42 ms 172.67.205.84
134 2026-08-17 21:54 639226002309299142
110 ms 172.67.205.84
133 2026-08-17 21:54 639226002309299142
110 ms 104.21.15.44
132 2026-08-17 21:38 639225992791784448
55 ms 172.67.205.84
131 2026-08-17 21:38 639225992791784448
55 ms 104.21.15.44
130 2026-08-17 21:22 639225983045271390
2051 ms 104.21.15.44
129 2026-08-17 21:22 639225983045271390
2051 ms 172.67.205.84
128 2026-08-17 21:05 639225973246293513
39 ms 104.21.15.44
127 2026-08-17 21:05 639225973246293513
39 ms 172.67.205.84
126 2026-08-17 20:49 639225963620186236
34 ms 104.21.15.44
125 2026-08-17 20:49 639225963620186236
34 ms 172.67.205.84
124 2026-08-17 20:33 639225953899183916
28 ms 172.67.205.84
123 2026-08-17 20:33 639225953899183916
28 ms 104.21.15.44
122 2026-08-17 20:17 639225944391528206
57 ms 172.67.205.84
121 2026-08-17 20:17 639225944391528206
57 ms 104.21.15.44
120 2026-08-17 20:01 639225934593254169
27 ms 104.21.15.44
119 2026-08-17 20:01 639225934593254169
27 ms 172.67.205.84
118 2026-08-17 19:44 639225924669984512
103 ms 104.21.15.44
117 2026-08-17 19:44 639225924669984512
103 ms 172.67.205.84
116 2026-08-17 18:52 639225893048561320
25 ms 172.67.205.84
115 2026-08-17 18:52 639225893048561320
25 ms 104.21.15.44
114 2026-08-17 18:35 639225883481298424
13 ms 104.21.15.44
113 2026-08-17 18:35 639225883481298424
13 ms 172.67.205.84
112 2026-08-17 18:20 639225873845394034
42 ms 172.67.205.84
111 2026-08-17 18:20 639225873845394034
42 ms 104.21.15.44
110 2026-08-17 18:04 639225864216078662
66 ms 172.67.205.84
109 2026-08-17 18:04 639225864216078662
66 ms 104.21.15.44
108 2026-08-17 17:47 639225854541857773
33 ms 172.67.205.84
107 2026-08-17 17:47 639225854541857773
33 ms 104.21.15.44
106 2026-08-17 17:31 639225844733604072
123 ms 172.67.205.84
105 2026-08-17 17:31 639225844733604072
123 ms 104.21.15.44
104 2026-08-17 17:15 639225835085229232
15 ms 172.67.205.84
103 2026-08-17 17:15 639225835085229232
15 ms 104.21.15.44
102 2026-08-17 16:59 639225825349373981
50 ms 104.21.15.44
101 2026-08-17 16:59 639225825349373981
50 ms 172.67.205.84
100 2026-08-17 16:43 639225815690604161
33 ms 104.21.15.44
99 2026-08-17 16:43 639225815690604161
33 ms 172.67.205.84
98 2026-08-17 16:27 639225805952472306
38 ms 104.21.15.44
97 2026-08-17 16:27 639225805952472306
38 ms 172.67.205.84
96 2026-08-17 16:10 639225796264729638
11 ms 172.67.205.84
95 2026-08-17 16:10 639225796264729638
11 ms 104.21.15.44
94 2026-08-17 15:54 639225786326499329
68 ms 104.21.15.44
93 2026-08-17 15:54 639225786326499329
68 ms 172.67.205.84
92 2026-08-17 15:01 639225754798130711
45 ms 104.21.15.44
91 2026-08-17 15:01 639225754798130711
45 ms 172.67.205.84
90 2026-08-17 14:45 639225745123193922
23 ms 104.21.15.44
89 2026-08-17 14:45 639225745123193922
23 ms 172.67.205.84
88 2026-08-17 14:29 639225735540597271
12 ms 172.67.205.84
87 2026-08-17 14:29 639225735540597271
12 ms 104.21.15.44
86 2026-08-17 14:13 639225725894857396
33 ms 104.21.15.44
85 2026-08-17 14:13 639225725894857396
33 ms 172.67.205.84
84 2026-08-17 13:57 639225716249606913
61 ms 104.21.15.44
83 2026-08-17 13:57 639225716249606913
61 ms 172.67.205.84
82 2026-08-17 13:41 639225706638238179
2017 ms 172.67.205.84
81 2026-08-17 13:41 639225706638238179
2017 ms 104.21.15.44
80 2026-08-17 13:25 639225696949691423
2016 ms 104.21.15.44
79 2026-08-17 13:25 639225696949691423
2016 ms 172.67.205.84
78 2026-08-17 13:09 639225687286186336
26 ms 104.21.15.44
77 2026-08-17 13:09 639225687286186336
26 ms 172.67.205.84
76 2026-08-17 12:53 639225677679573133
40 ms 172.67.205.84
75 2026-08-17 12:53 639225677679573133
40 ms 104.21.15.44
74 2026-08-17 12:36 639225667957861024
22 ms 104.21.15.44
73 2026-08-17 12:36 639225667957861024
22 ms 172.67.205.84
72 2026-08-17 12:20 639225658298791618
2057 ms 104.21.15.44
71 2026-08-17 12:20 639225658298791618
2057 ms 172.67.205.84
70 2026-08-17 12:04 639225648583652785
2037 ms 172.67.205.84
69 2026-08-17 12:04 639225648583652785
2037 ms 104.21.15.44
68 2026-08-17 11:11 639225617000524308
2025 ms 104.21.15.44
67 2026-08-17 11:11 639225617000524308
2025 ms 172.67.205.84
66 2026-08-17 10:56 639225607668541600
20 ms 172.67.205.84
65 2026-08-17 10:56 639225607668541600
20 ms 104.21.15.44
64 2026-08-17 10:40 639225598117279238
60 ms 104.21.15.44
63 2026-08-17 10:40 639225598117279238
60 ms 172.67.205.84
62 2026-08-17 10:24 639225588751002710
16 ms 172.67.205.84
61 2026-08-17 10:24 639225588751002710
16 ms 104.21.15.44
60 2026-08-17 10:09 639225579295831051
102 ms 104.21.15.44
59 2026-08-17 10:09 639225579295831051
102 ms 172.67.205.84
58 2026-08-17 09:53 639225569761469940
12 ms 172.67.205.84
57 2026-08-17 09:53 639225569761469940
12 ms 104.21.15.44
56 2026-08-17 09:37 639225560161422333
76 ms 104.21.15.44
55 2026-08-17 09:37 639225560161422333
76 ms 172.67.205.84
54 2026-08-17 09:21 639225550739955565
31 ms 172.67.205.84
53 2026-08-17 09:21 639225550739955565
31 ms 104.21.15.44
52 2026-08-17 09:05 639225541125222426
9 ms 104.21.15.44
51 2026-08-17 09:05 639225541125222426
9 ms 172.67.205.84
50 2026-08-17 08:49 639225531526675983
23 ms 104.21.15.44
49 2026-08-17 08:49 639225531526675983
23 ms 172.67.205.84
48 2026-08-17 08:33 639225521915528222
41 ms 172.67.205.84
47 2026-08-17 08:33 639225521915528222
41 ms 104.21.15.44
46 2026-08-17 08:17 639225512148151789
2033 ms 172.67.205.84
45 2026-08-17 08:17 639225512148151789
2033 ms 104.21.15.44
44 2026-08-17 07:24 639225480786142412
35 ms 172.67.205.84
43 2026-08-17 07:24 639225480786142412
35 ms 104.21.15.44
42 2026-08-17 07:09 639225471394348551
31 ms 104.21.15.44
41 2026-08-17 07:09 639225471394348551
31 ms 172.67.205.84
40 2026-08-17 06:53 639225462031685068
7 ms 172.67.205.84
39 2026-08-17 06:53 639225462031685068
7 ms 104.21.15.44
38 2026-08-17 06:38 639225452639458328
43 ms 104.21.15.44
37 2026-08-17 06:38 639225452639458328
43 ms 172.67.205.84
36 2026-08-17 06:22 639225443300966543
45 ms 104.21.15.44
35 2026-08-17 06:22 639225443300966543
45 ms 172.67.205.84
34 2026-08-17 06:06 639225433880499379
32 ms 104.21.15.44
33 2026-08-17 06:06 639225433880499379
32 ms 172.67.205.84
32 2026-08-17 05:50 639225424395198277
46 ms 104.21.15.44
31 2026-08-17 05:50 639225424395198277
46 ms 172.67.205.84
30 2026-08-17 05:35 639225414744137487
29 ms 104.21.15.44
29 2026-08-17 05:35 639225414744137487
29 ms 172.67.205.84
28 2026-08-17 05:18 639225405186783164
21 ms 172.67.205.84
27 2026-08-17 05:18 639225405186783164
21 ms 104.21.15.44
26 2026-08-17 05:02 639225395563669822
78 ms 104.21.15.44
25 2026-08-17 05:02 639225395563669822
78 ms 172.67.205.84
24 2026-08-17 04:46 639225386076645158
11 ms 172.67.205.84
23 2026-08-17 04:46 639225386076645158
11 ms 104.21.15.44
22 2026-08-17 04:31 639225376620669704
41 ms 172.67.205.84
21 2026-08-17 04:31 639225376620669704
41 ms 104.21.15.44
20 2026-08-17 03:39 639225345580892706
33 ms 172.67.205.84
19 2026-08-17 03:39 639225345580892706
33 ms 104.21.15.44
18 2026-08-17 03:24 639225336207383710
2046 ms 172.67.205.84
17 2026-08-17 03:24 639225336207383710
2046 ms 104.21.15.44
16 2026-08-17 03:08 639225326726565001
39 ms 104.21.15.44
15 2026-08-17 03:08 639225326726565001
39 ms 172.67.205.84
14 2026-08-17 02:52 639225317249271010
7 ms 172.67.205.84
13 2026-08-17 02:52 639225317249271010
7 ms 104.21.15.44
12 2026-08-17 02:00 639225286280886044
26 ms 104.21.15.44
11 2026-08-17 02:00 639225286280886044
26 ms 172.67.205.84
10 2026-08-17 01:45 639225276872567548
18 ms 104.21.15.44
9 2026-08-17 01:45 639225276872567548
18 ms 172.67.205.84
8 2026-08-17 01:29 639225267353865348
9 ms 172.67.205.84
7 2026-08-17 01:29 639225267353865348
9 ms 104.21.15.44
6 2026-08-17 01:13 639225258033914248
48 ms 172.67.205.84
5 2026-08-17 01:13 639225258033914248
48 ms 104.21.15.44
4 2026-08-17 00:21 639225226652221583
2042 ms 172.67.205.84
3 2026-08-17 00:21 639225226652221583
2042 ms 104.21.15.44
2 2026-08-17 00:05 639225217156387684
23 ms 172.67.205.84
1 2026-08-17 00:05 639225217156387684
23 ms 104.21.15.44