DNS response history for ns1.2b-dev.com

ns1.2b-dev.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 203 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 ns1.2b-dev.com.
Records on Selected Date

149

Historical checks stored for this nameserver on selected date

Average Latency

203 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:57

All timestamps shown in UTC

Latest Resolved IP on Selected Date

104.21.64.149

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 ns1.2b-dev.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 23:57 639227805445376839
77 ms 104.21.64.149
148 2026-08-19 23:57 639227805445376839
77 ms 172.67.152.31
147 2026-08-19 23:41 639227795899225951
2031 ms 104.21.64.149
146 2026-08-19 23:41 639227795899225951
2031 ms 172.67.152.31
145 2026-08-19 23:25 639227786351762008
26 ms 104.21.64.149
144 2026-08-19 23:25 639227786351762008
26 ms 172.67.152.31
143 2026-08-19 23:09 639227776640591733
36 ms 104.21.64.149
142 2026-08-19 23:09 639227776640591733
36 ms 172.67.152.31
141 2026-08-19 22:53 639227767128841282
50 ms 104.21.64.149
140 2026-08-19 22:53 639227767128841282
50 ms 172.67.152.31
139 2026-08-19 22:38 639227757477304711
8 ms 172.67.152.31
138 2026-08-19 22:38 639227757477304711
8 ms 104.21.64.149
137 2026-08-19 22:21 639227747572098014
26 ms 104.21.64.149
136 2026-08-19 22:21 639227747572098014
26 ms 172.67.152.31
135 2026-08-19 22:04 639227737588613113
39 ms 172.67.152.31
134 2026-08-19 22:04 639227737588613113
39 ms 104.21.64.149
133 2026-08-19 21:12 639227706134603955
31 ms 172.67.152.31
132 2026-08-19 21:12 639227706134603955
31 ms 104.21.64.149
131 2026-08-19 20:56 639227696589027396
14 ms 104.21.64.149
130 2026-08-19 20:56 639227696589027396
14 ms 172.67.152.31
129 2026-08-19 20:40 639227687097707639
41 ms 104.21.64.149
128 2026-08-19 20:40 639227687097707639
41 ms 172.67.152.31
127 2026-08-19 20:24 639227677474464487
98 ms 172.67.152.31
126 2026-08-19 20:24 639227677474464487
98 ms 104.21.64.149
125 2026-08-19 20:08 639227667767441118
44 ms 172.67.152.31
124 2026-08-19 20:08 639227667767441118
44 ms 104.21.64.149
123 2026-08-19 19:52 639227657984833832
31 ms 172.67.152.31
122 2026-08-19 19:52 639227657984833832
31 ms 104.21.64.149
121 2026-08-19 19:35 639227648079992640
44 ms 172.67.152.31
120 2026-08-19 19:35 639227648079992640
44 ms 104.21.64.149
119 2026-08-19 19:19 639227638125048441
50 ms 104.21.64.149
118 2026-08-19 19:19 639227638125048441
50 ms 172.67.152.31
117 2026-08-19 19:02 639227628211392142
13 ms 172.67.152.31
116 2026-08-19 19:02 639227628211392142
13 ms 104.21.64.149
115 2026-08-19 18:45 639227618261696275
20 ms 104.21.64.149
114 2026-08-19 18:45 639227618261696275
20 ms 172.67.152.31
113 2026-08-19 18:29 639227608366233645
40 ms 172.67.152.31
112 2026-08-19 18:29 639227608366233645
40 ms 104.21.64.149
111 2026-08-19 18:12 639227598301787588
56 ms 172.67.152.31
110 2026-08-19 18:12 639227598301787588
56 ms 104.21.64.149
109 2026-08-19 17:19 639227566241010716
15 ms 104.21.64.149
108 2026-08-19 17:19 639227566241010716
15 ms 172.67.152.31
107 2026-08-19 17:02 639227556454538959
58 ms 172.67.152.31
106 2026-08-19 17:02 639227556454538959
58 ms 104.21.64.149
105 2026-08-19 16:46 639227546640305542
40 ms 104.21.64.149
104 2026-08-19 16:46 639227546640305542
40 ms 172.67.152.31
103 2026-08-19 16:30 639227536965466472
54 ms 172.67.152.31
102 2026-08-19 16:30 639227536965466472
54 ms 104.21.64.149
101 2026-08-19 16:13 639227527048658280
2016 ms 104.21.64.149
100 2026-08-19 16:13 639227527048658280
2016 ms 172.67.152.31
99 2026-08-19 15:57 639227517386634438
2020 ms 104.21.64.149
98 2026-08-19 15:57 639227517386634438
2020 ms 172.67.152.31
97 2026-08-19 15:41 639227507459551637
31 ms 104.21.64.149
96 2026-08-19 15:41 639227507459551637
31 ms 172.67.152.31
95 2026-08-19 15:24 639227497515595277
24 ms 104.21.64.149
94 2026-08-19 15:24 639227497515595277
24 ms 172.67.152.31
93 2026-08-19 15:07 639227487441798036
59 ms 172.67.152.31
92 2026-08-19 15:07 639227487441798036
59 ms 104.21.64.149
91 2026-08-19 14:51 639227477445551863
46 ms 172.67.152.31
90 2026-08-19 14:51 639227477445551863
46 ms 104.21.64.149
89 2026-08-19 14:34 639227467297067891
46 ms 104.21.64.149
88 2026-08-19 14:34 639227467297067891
46 ms 172.67.152.31
87 2026-08-19 14:17 639227457057795635
13 ms 172.67.152.31
86 2026-08-19 14:17 639227457057795635
13 ms 104.21.64.149
85 2026-08-19 13:24 639227425244777397
61 ms 172.67.152.31
84 2026-08-19 13:24 639227425244777397
61 ms 104.21.64.149
83 2026-08-19 13:07 639227415422116485
14 ms 172.67.152.31
82 2026-08-19 13:07 639227415422116485
14 ms 104.21.64.149
81 2026-08-19 12:50 639227405307256053
12 ms 172.67.152.31
80 2026-08-19 12:50 639227405307256053
12 ms 104.21.64.149
79 2026-08-19 12:34 639227395396602630
41 ms 104.21.64.149
78 2026-08-19 12:34 639227395396602630
41 ms 172.67.152.31
77 2026-08-19 12:17 639227385510363611
11 ms 172.67.152.31
76 2026-08-19 12:17 639227385510363611
11 ms 104.21.64.149
75 2026-08-19 12:01 639227375508324850
33 ms 172.67.152.31
74 2026-08-19 12:01 639227375508324850
33 ms 104.21.64.149
73 2026-08-19 11:44 639227365326611906
54 ms 172.67.152.31
72 2026-08-19 11:44 639227365326611906
54 ms 104.21.64.149
71 2026-08-19 11:27 639227355360014208
51 ms 104.21.64.149
70 2026-08-19 11:27 639227355360014208
51 ms 172.67.152.31
69 2026-08-19 11:10 639227345036782165
30 ms 172.67.152.31
68 2026-08-19 11:10 639227345036782165
30 ms 104.21.64.149
67 2026-08-19 10:53 639227334992964533
59 ms 172.67.152.31
66 2026-08-19 10:53 639227334992964533
59 ms 104.21.64.149
65 2026-08-19 10:37 639227324986605572
88 ms 104.21.64.149
64 2026-08-19 10:37 639227324986605572
88 ms 172.67.152.31
63 2026-08-19 10:20 639227314928414539
-
62 2026-08-19 09:27 639227283029182134
2081 ms 104.21.64.149
61 2026-08-19 09:27 639227283029182134
2081 ms 172.67.152.31
60 2026-08-19 09:10 639227273294779350
36 ms 172.67.152.31
59 2026-08-19 09:10 639227273294779350
36 ms 104.21.64.149
58 2026-08-19 08:54 639227263525231313
39 ms 104.21.64.149
57 2026-08-19 08:54 639227263525231313
39 ms 172.67.152.31
56 2026-08-19 08:38 639227253578313363
18 ms 172.67.152.31
55 2026-08-19 08:38 639227253578313363
18 ms 104.21.64.149
54 2026-08-19 08:21 639227243649973322
58 ms 104.21.64.149
53 2026-08-19 08:21 639227243649973322
58 ms 172.67.152.31
52 2026-08-19 08:04 639227233581059317
20 ms 172.67.152.31
51 2026-08-19 08:04 639227233581059317
20 ms 104.21.64.149
50 2026-08-19 07:48 639227223667352067
2076 ms 104.21.64.149
49 2026-08-19 07:48 639227223667352067
2076 ms 172.67.152.31
48 2026-08-19 07:31 639227213714837066
25 ms 172.67.152.31
47 2026-08-19 07:31 639227213714837066
25 ms 104.21.64.149
46 2026-08-19 07:14 639227203701208496
43 ms 104.21.64.149
45 2026-08-19 07:14 639227203701208496
43 ms 172.67.152.31
44 2026-08-19 06:58 639227193643202179
177 ms 104.21.64.149
43 2026-08-19 06:58 639227193643202179
177 ms 172.67.152.31
42 2026-08-19 06:41 639227183584431597
75 ms 104.21.64.149
41 2026-08-19 06:41 639227183584431597
75 ms 172.67.152.31
40 2026-08-19 06:24 639227173347403088
12 ms 104.21.64.149
39 2026-08-19 06:24 639227173347403088
12 ms 172.67.152.31
38 2026-08-19 05:31 639227141523007601
43 ms 172.67.152.31
37 2026-08-19 05:31 639227141523007601
43 ms 104.21.64.149
36 2026-08-19 05:15 639227131785931574
2034 ms 104.21.64.149
35 2026-08-19 05:15 639227131785931574
2034 ms 172.67.152.31
34 2026-08-19 04:59 639227122176475389
29 ms 172.67.152.31
33 2026-08-19 04:59 639227122176475389
29 ms 104.21.64.149
32 2026-08-19 04:43 639227112668934596
34 ms 172.67.152.31
31 2026-08-19 04:43 639227112668934596
34 ms 104.21.64.149
30 2026-08-19 04:26 639227102773292788
68 ms 172.67.152.31
29 2026-08-19 04:26 639227102773292788
68 ms 104.21.64.149
28 2026-08-19 04:10 639227093141136930
38 ms 104.21.64.149
27 2026-08-19 04:10 639227093141136930
38 ms 172.67.152.31
26 2026-08-19 03:54 639227083449420147
6 ms 172.67.152.31
25 2026-08-19 03:54 639227083449420147
6 ms 104.21.64.149
24 2026-08-19 03:38 639227073771748493
32 ms 104.21.64.149
23 2026-08-19 03:38 639227073771748493
32 ms 172.67.152.31
22 2026-08-19 03:22 639227063977347614
41 ms 172.67.152.31
21 2026-08-19 03:22 639227063977347614
41 ms 104.21.64.149
20 2026-08-19 03:05 639227054253519024
44 ms 104.21.64.149
19 2026-08-19 03:05 639227054253519024
44 ms 172.67.152.31
18 2026-08-19 02:49 639227044381963886
44 ms 172.67.152.31
17 2026-08-19 02:49 639227044381963886
44 ms 104.21.64.149
16 2026-08-19 02:32 639227034441085514
29 ms 172.67.152.31
15 2026-08-19 02:32 639227034441085514
29 ms 104.21.64.149
14 2026-08-19 01:40 639227003126489968
12 ms 172.67.152.31
13 2026-08-19 01:40 639227003126489968
12 ms 104.21.64.149
12 2026-08-19 01:24 639226993456311614
23 ms 172.67.152.31
11 2026-08-19 01:24 639226993456311614
23 ms 104.21.64.149
10 2026-08-19 01:08 639226983847312345
58 ms 104.21.64.149
9 2026-08-19 01:08 639226983847312345
58 ms 172.67.152.31
8 2026-08-19 00:52 639226974357874853
61 ms 172.67.152.31
7 2026-08-19 00:52 639226974357874853
61 ms 104.21.64.149
6 2026-08-19 00:36 639226964670484721
29 ms 172.67.152.31
5 2026-08-19 00:36 639226964670484721
29 ms 104.21.64.149
4 2026-08-19 00:20 639226954857899696
30 ms 172.67.152.31
3 2026-08-19 00:20 639226954857899696
30 ms 104.21.64.149
2 2026-08-19 00:03 639226945091603488
27 ms 172.67.152.31
1 2026-08-19 00:03 639226945091603488
27 ms 104.21.64.149