DNS response history for ns15.techconferences.com

ns15.techconferences.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 2026-08-19. For this date, NameServerHistory found 149 DNS check records, 148 successful responses, 1 failed responses, and 224 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 ns15.techconferences.com.
Records on Selected Date

149

Historical checks stored for this nameserver on selected date

Average Latency

224 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:56

All timestamps shown in UTC

Latest Resolved IP on Selected Date

104.21.57.101

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 ns15.techconferences.com

Showing DNS history for 2026-08-19 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 2026-08-19 23:56 639227805445376839
10 ms 104.21.57.101
148 2026-08-19 23:56 639227805445376839
10 ms 172.67.162.240
147 2026-08-19 23:40 639227795899225951
53 ms 172.67.162.240
146 2026-08-19 23:40 639227795899225951
53 ms 104.21.57.101
145 2026-08-19 23:24 639227786351762008
8 ms 104.21.57.101
144 2026-08-19 23:24 639227786351762008
8 ms 172.67.162.240
143 2026-08-19 23:08 639227776640591733
41 ms 104.21.57.101
142 2026-08-19 23:08 639227776640591733
41 ms 172.67.162.240
141 2026-08-19 22:52 639227767128841282
12 ms 172.67.162.240
140 2026-08-19 22:52 639227767128841282
12 ms 104.21.57.101
139 2026-08-19 22:36 639227757477304711
24 ms 172.67.162.240
138 2026-08-19 22:36 639227757477304711
24 ms 104.21.57.101
137 2026-08-19 22:19 639227747572098014
2056 ms 104.21.57.101
136 2026-08-19 22:19 639227747572098014
2056 ms 172.67.162.240
135 2026-08-19 22:03 639227737588613113
7 ms 104.21.57.101
134 2026-08-19 22:03 639227737588613113
7 ms 172.67.162.240
133 2026-08-19 21:10 639227706134603955
48 ms 104.21.57.101
132 2026-08-19 21:10 639227706134603955
48 ms 172.67.162.240
131 2026-08-19 20:54 639227696589027396
45 ms 104.21.57.101
130 2026-08-19 20:54 639227696589027396
45 ms 172.67.162.240
129 2026-08-19 20:38 639227687097707639
111 ms 104.21.57.101
128 2026-08-19 20:38 639227687097707639
111 ms 172.67.162.240
127 2026-08-19 20:22 639227677474464487
85 ms 172.67.162.240
126 2026-08-19 20:22 639227677474464487
85 ms 104.21.57.101
125 2026-08-19 20:06 639227667767441118
12 ms 104.21.57.101
124 2026-08-19 20:06 639227667767441118
12 ms 172.67.162.240
123 2026-08-19 19:50 639227657984833832
13 ms 104.21.57.101
122 2026-08-19 19:50 639227657984833832
13 ms 172.67.162.240
121 2026-08-19 19:33 639227648079992640
57 ms 172.67.162.240
120 2026-08-19 19:33 639227648079992640
57 ms 104.21.57.101
119 2026-08-19 19:17 639227638125048441
31 ms 104.21.57.101
118 2026-08-19 19:17 639227638125048441
31 ms 172.67.162.240
117 2026-08-19 19:00 639227628211392142
29 ms 104.21.57.101
116 2026-08-19 19:00 639227628211392142
29 ms 172.67.162.240
115 2026-08-19 18:44 639227618261696275
140 ms 172.67.162.240
114 2026-08-19 18:44 639227618261696275
140 ms 104.21.57.101
113 2026-08-19 18:27 639227608366233645
20 ms 104.21.57.101
112 2026-08-19 18:27 639227608366233645
20 ms 172.67.162.240
111 2026-08-19 18:10 639227598301787588
58 ms 172.67.162.240
110 2026-08-19 18:10 639227598301787588
58 ms 104.21.57.101
109 2026-08-19 17:17 639227566241010716
26 ms 104.21.57.101
108 2026-08-19 17:17 639227566241010716
26 ms 172.67.162.240
107 2026-08-19 17:01 639227556454538959
2025 ms 172.67.162.240
106 2026-08-19 17:01 639227556454538959
2025 ms 104.21.57.101
105 2026-08-19 16:44 639227546640305542
14 ms 104.21.57.101
104 2026-08-19 16:44 639227546640305542
14 ms 172.67.162.240
103 2026-08-19 16:28 639227536965466472
14 ms 172.67.162.240
102 2026-08-19 16:28 639227536965466472
14 ms 104.21.57.101
101 2026-08-19 16:12 639227527048658280
26 ms 172.67.162.240
100 2026-08-19 16:12 639227527048658280
26 ms 104.21.57.101
99 2026-08-19 15:56 639227517386634438
11 ms 104.21.57.101
98 2026-08-19 15:56 639227517386634438
11 ms 172.67.162.240
97 2026-08-19 15:39 639227507459551637
5 ms 172.67.162.240
96 2026-08-19 15:39 639227507459551637
5 ms 104.21.57.101
95 2026-08-19 15:22 639227497515595277
76 ms 172.67.162.240
94 2026-08-19 15:22 639227497515595277
76 ms 104.21.57.101
93 2026-08-19 15:06 639227487441798036
35 ms 172.67.162.240
92 2026-08-19 15:06 639227487441798036
35 ms 104.21.57.101
91 2026-08-19 14:49 639227477445551863
11 ms 172.67.162.240
90 2026-08-19 14:49 639227477445551863
11 ms 104.21.57.101
89 2026-08-19 14:32 639227467297067891
4039 ms 104.21.57.101
88 2026-08-19 14:32 639227467297067891
4039 ms 172.67.162.240
87 2026-08-19 14:15 639227457057795635
8 ms 172.67.162.240
86 2026-08-19 14:15 639227457057795635
8 ms 104.21.57.101
85 2026-08-19 13:22 639227425244777397
7 ms 172.67.162.240
84 2026-08-19 13:22 639227425244777397
7 ms 104.21.57.101
83 2026-08-19 13:06 639227415422116485
170 ms 104.21.57.101
82 2026-08-19 13:06 639227415422116485
170 ms 172.67.162.240
81 2026-08-19 12:49 639227405307256053
2072 ms 104.21.57.101
80 2026-08-19 12:49 639227405307256053
2072 ms 172.67.162.240
79 2026-08-19 12:32 639227395396602630
141 ms 172.67.162.240
78 2026-08-19 12:32 639227395396602630
141 ms 104.21.57.101
77 2026-08-19 12:16 639227385510363611
22 ms 172.67.162.240
76 2026-08-19 12:16 639227385510363611
22 ms 104.21.57.101
75 2026-08-19 11:59 639227375508324850
33 ms 172.67.162.240
74 2026-08-19 11:59 639227375508324850
33 ms 104.21.57.101
73 2026-08-19 11:42 639227365326611906
29 ms 172.67.162.240
72 2026-08-19 11:42 639227365326611906
29 ms 104.21.57.101
71 2026-08-19 11:25 639227355360014208
37 ms 104.21.57.101
70 2026-08-19 11:25 639227355360014208
37 ms 172.67.162.240
69 2026-08-19 11:08 639227345036782165
68 ms 172.67.162.240
68 2026-08-19 11:08 639227345036782165
68 ms 104.21.57.101
67 2026-08-19 10:52 639227334992964533
43 ms 172.67.162.240
66 2026-08-19 10:52 639227334992964533
43 ms 104.21.57.101
65 2026-08-19 10:35 639227324986605572
14 ms 172.67.162.240
64 2026-08-19 10:35 639227324986605572
14 ms 104.21.57.101
63 2026-08-19 10:18 639227314928414539
38 ms 104.21.57.101
62 2026-08-19 10:18 639227314928414539
38 ms 172.67.162.240
61 2026-08-19 09:25 639227283029182134
15 ms 104.21.57.101
60 2026-08-19 09:25 639227283029182134
15 ms 172.67.162.240
59 2026-08-19 09:09 639227273294779350
25 ms 172.67.162.240
58 2026-08-19 09:09 639227273294779350
25 ms 104.21.57.101
57 2026-08-19 08:52 639227263525231313
24 ms 104.21.57.101
56 2026-08-19 08:52 639227263525231313
24 ms 172.67.162.240
55 2026-08-19 08:36 639227253578313363
18 ms 104.21.57.101
54 2026-08-19 08:36 639227253578313363
18 ms 172.67.162.240
53 2026-08-19 08:19 639227243649973322
22 ms 104.21.57.101
52 2026-08-19 08:19 639227243649973322
22 ms 172.67.162.240
51 2026-08-19 08:03 639227233581059317
15 ms 104.21.57.101
50 2026-08-19 08:03 639227233581059317
15 ms 172.67.162.240
49 2026-08-19 07:46 639227223667352067
27 ms 172.67.162.240
48 2026-08-19 07:46 639227223667352067
27 ms 104.21.57.101
47 2026-08-19 07:29 639227213714837066
39 ms 172.67.162.240
46 2026-08-19 07:29 639227213714837066
39 ms 104.21.57.101
45 2026-08-19 07:13 639227203701208496
20 ms 104.21.57.101
44 2026-08-19 07:13 639227203701208496
20 ms 172.67.162.240
43 2026-08-19 06:56 639227193643202179
2049 ms 104.21.57.101
42 2026-08-19 06:56 639227193643202179
2049 ms 172.67.162.240
41 2026-08-19 06:39 639227183584431597
28 ms 104.21.57.101
40 2026-08-19 06:39 639227183584431597
28 ms 172.67.162.240
39 2026-08-19 06:22 639227173347403088
51 ms 172.67.162.240
38 2026-08-19 06:22 639227173347403088
51 ms 104.21.57.101
37 2026-08-19 05:29 639227141523007601
12 ms 172.67.162.240
36 2026-08-19 05:29 639227141523007601
12 ms 104.21.57.101
35 2026-08-19 05:13 639227131785931574
25 ms 104.21.57.101
34 2026-08-19 05:13 639227131785931574
25 ms 172.67.162.240
33 2026-08-19 04:57 639227122176475389
6 ms 172.67.162.240
32 2026-08-19 04:57 639227122176475389
6 ms 104.21.57.101
31 2026-08-19 04:41 639227112668934596
32 ms 172.67.162.240
30 2026-08-19 04:41 639227112668934596
32 ms 104.21.57.101
29 2026-08-19 04:25 639227102773292788
8 ms 104.21.57.101
28 2026-08-19 04:25 639227102773292788
8 ms 172.67.162.240
27 2026-08-19 04:08 639227093141136930
2045 ms 172.67.162.240
26 2026-08-19 04:08 639227093141136930
2045 ms 104.21.57.101
25 2026-08-19 03:52 639227083449420147
6 ms 104.21.57.101
24 2026-08-19 03:52 639227083449420147
6 ms 172.67.162.240
23 2026-08-19 03:36 639227073771748493
30 ms 104.21.57.101
22 2026-08-19 03:36 639227073771748493
30 ms 172.67.162.240
21 2026-08-19 03:20 639227063977347614
38 ms 104.21.57.101
20 2026-08-19 03:20 639227063977347614
38 ms 172.67.162.240
19 2026-08-19 03:04 639227054253519024
10 ms 172.67.162.240
18 2026-08-19 03:04 639227054253519024
10 ms 104.21.57.101
17 2026-08-19 02:47 639227044381963886
4 ms 104.21.57.101
16 2026-08-19 02:47 639227044381963886
4 ms 172.67.162.240
15 2026-08-19 02:31 639227034441085514
-
14 2026-08-19 01:38 639227003126489968
76 ms 104.21.57.101
13 2026-08-19 01:38 639227003126489968
76 ms 172.67.162.240
12 2026-08-19 01:22 639226993456311614
8 ms 172.67.162.240
11 2026-08-19 01:22 639226993456311614
8 ms 104.21.57.101
10 2026-08-19 01:06 639226983847312345
14 ms 172.67.162.240
9 2026-08-19 01:06 639226983847312345
14 ms 104.21.57.101
8 2026-08-19 00:50 639226974357874853
23 ms 172.67.162.240
7 2026-08-19 00:50 639226974357874853
23 ms 104.21.57.101
6 2026-08-19 00:34 639226964670484721
26 ms 172.67.162.240
5 2026-08-19 00:34 639226964670484721
26 ms 104.21.57.101
4 2026-08-19 00:18 639226954857899696
28 ms 104.21.57.101
3 2026-08-19 00:18 639226954857899696
28 ms 172.67.162.240
2 2026-08-19 00:02 639226945091603488
15 ms 172.67.162.240
1 2026-08-19 00:02 639226945091603488
15 ms 104.21.57.101