DNS response history for ns2.bookcase.com

ns2.bookcase.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 2026-08-21. For this date, NameServerHistory found 145 DNS check records, 144 successful responses, 1 failed responses, and 287 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 ns2.bookcase.com.
Records on Selected Date

145

Historical checks stored for this nameserver on selected date

Average Latency

287 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:48

All timestamps shown in UTC

Latest Resolved IP on Selected Date

76.223.54.146

Most recently resolved hosting IP on selected date

Successful Responses

144

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 ns2.bookcase.com

Showing DNS history for 2026-08-21 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
145 2026-08-21 23:48 639229527598660841
29 ms 76.223.54.146
144 2026-08-21 23:48 639229527598660841
29 ms 13.248.169.48
143 2026-08-21 23:32 639229517954323214
39 ms 76.223.54.146
142 2026-08-21 23:32 639229517954323214
39 ms 13.248.169.48
141 2026-08-21 23:15 639229508269999021
6 ms 13.248.169.48
140 2026-08-21 23:15 639229508269999021
6 ms 76.223.54.146
139 2026-08-21 22:59 639229498559060171
22 ms 76.223.54.146
138 2026-08-21 22:59 639229498559060171
22 ms 13.248.169.48
137 2026-08-21 22:43 639229488519347586
22 ms 76.223.54.146
136 2026-08-21 22:43 639229488519347586
22 ms 13.248.169.48
135 2026-08-21 21:49 639229456606578934
15 ms 76.223.54.146
134 2026-08-21 21:49 639229456606578934
15 ms 13.248.169.48
133 2026-08-21 21:33 639229446985772499
19 ms 13.248.169.48
132 2026-08-21 21:33 639229446985772499
19 ms 76.223.54.146
131 2026-08-21 21:17 639229437367313098
11 ms 76.223.54.146
130 2026-08-21 21:17 639229437367313098
11 ms 13.248.169.48
129 2026-08-21 21:01 639229427923950391
47 ms 13.248.169.48
128 2026-08-21 21:01 639229427923950391
47 ms 76.223.54.146
127 2026-08-21 20:45 639229418168588854
2020 ms 13.248.169.48
126 2026-08-21 20:45 639229418168588854
2020 ms 76.223.54.146
125 2026-08-21 20:29 639229408345678334
43 ms 76.223.54.146
124 2026-08-21 20:29 639229408345678334
43 ms 13.248.169.48
123 2026-08-21 20:13 639229398616354648
21 ms 13.248.169.48
122 2026-08-21 20:13 639229398616354648
21 ms 76.223.54.146
121 2026-08-21 19:56 639229388634592323
32 ms 76.223.54.146
120 2026-08-21 19:56 639229388634592323
32 ms 13.248.169.48
119 2026-08-21 19:40 639229378792837692
20 ms 76.223.54.146
118 2026-08-21 19:40 639229378792837692
20 ms 13.248.169.48
117 2026-08-21 19:24 639229369154682311
29 ms 76.223.54.146
116 2026-08-21 19:24 639229369154682311
29 ms 13.248.169.48
115 2026-08-21 19:07 639229359248017926
19 ms 76.223.54.146
114 2026-08-21 19:07 639229359248017926
19 ms 13.248.169.48
113 2026-08-21 18:50 639229349124294642
34 ms 76.223.54.146
112 2026-08-21 18:50 639229349124294642
34 ms 13.248.169.48
111 2026-08-21 17:58 639229317791715692
26 ms 76.223.54.146
110 2026-08-21 17:58 639229317791715692
26 ms 13.248.169.48
109 2026-08-21 17:42 639229308115194575
13 ms 13.248.169.48
108 2026-08-21 17:42 639229308115194575
13 ms 76.223.54.146
107 2026-08-21 17:26 639229298320320558
14 ms 76.223.54.146
106 2026-08-21 17:26 639229298320320558
14 ms 13.248.169.48
105 2026-08-21 17:09 639229288674863221
22 ms 76.223.54.146
104 2026-08-21 17:09 639229288674863221
22 ms 13.248.169.48
103 2026-08-21 16:53 639229278983677079
7 ms 13.248.169.48
102 2026-08-21 16:53 639229278983677079
7 ms 76.223.54.146
101 2026-08-21 16:37 639229269405517175
17 ms 76.223.54.146
100 2026-08-21 16:37 639229269405517175
17 ms 13.248.169.48
99 2026-08-21 16:21 639229259594798244
28 ms 13.248.169.48
98 2026-08-21 16:21 639229259594798244
28 ms 76.223.54.146
97 2026-08-21 16:05 639229249736681188
34 ms 76.223.54.146
96 2026-08-21 16:05 639229249736681188
34 ms 13.248.169.48
95 2026-08-21 15:48 639229239699417787
47 ms 76.223.54.146
94 2026-08-21 15:48 639229239699417787
47 ms 13.248.169.48
93 2026-08-21 15:31 639229229621964033
20 ms 76.223.54.146
92 2026-08-21 15:31 639229229621964033
20 ms 13.248.169.48
91 2026-08-21 15:14 639229219567270965
29 ms 76.223.54.146
90 2026-08-21 15:14 639229219567270965
29 ms 13.248.169.48
89 2026-08-21 14:57 639229209406666856
2059 ms 13.248.169.48
88 2026-08-21 14:57 639229209406666856
2059 ms 76.223.54.146
87 2026-08-21 14:05 639229177815876178
53 ms 76.223.54.146
86 2026-08-21 14:05 639229177815876178
53 ms 13.248.169.48
85 2026-08-21 13:49 639229168243572685
7 ms 13.248.169.48
84 2026-08-21 13:49 639229168243572685
7 ms 76.223.54.146
83 2026-08-21 13:33 639229158599856475
24 ms 76.223.54.146
82 2026-08-21 13:33 639229158599856475
24 ms 13.248.169.48
81 2026-08-21 13:17 639229148998940902
24 ms 13.248.169.48
80 2026-08-21 13:17 639229148998940902
24 ms 76.223.54.146
79 2026-08-21 13:01 639229139276923594
27 ms 76.223.54.146
78 2026-08-21 13:01 639229139276923594
27 ms 13.248.169.48
77 2026-08-21 12:45 639229129709912394
110 ms 13.248.169.48
76 2026-08-21 12:45 639229129709912394
110 ms 76.223.54.146
75 2026-08-21 12:28 639229119801488500
66 ms 76.223.54.146
74 2026-08-21 12:28 639229119801488500
66 ms 13.248.169.48
73 2026-08-21 12:12 639229110135262458
-
72 2026-08-21 11:56 639229100336051392
2041 ms 13.248.169.48
71 2026-08-21 11:56 639229100336051392
2041 ms 76.223.54.146
70 2026-08-21 11:39 639229090641415626
2016 ms 13.248.169.48
69 2026-08-21 11:39 639229090641415626
2016 ms 76.223.54.146
68 2026-08-21 11:23 639229080702683947
29 ms 76.223.54.146
67 2026-08-21 11:23 639229080702683947
29 ms 13.248.169.48
66 2026-08-21 11:06 639229070601456699
46 ms 76.223.54.146
65 2026-08-21 11:06 639229070601456699
46 ms 13.248.169.48
64 2026-08-21 10:13 639229038947447232
27 ms 76.223.54.146
63 2026-08-21 10:13 639229038947447232
27 ms 13.248.169.48
62 2026-08-21 09:57 639229029268708773
71 ms 13.248.169.48
61 2026-08-21 09:57 639229029268708773
71 ms 76.223.54.146
60 2026-08-21 09:41 639229019647910603
2021 ms 76.223.54.146
59 2026-08-21 09:41 639229019647910603
2021 ms 13.248.169.48
58 2026-08-21 09:25 639229009983843738
131 ms 76.223.54.146
57 2026-08-21 09:25 639229009983843738
131 ms 13.248.169.48
56 2026-08-21 09:09 639229000203331882
35 ms 76.223.54.146
55 2026-08-21 09:09 639229000203331882
35 ms 13.248.169.48
54 2026-08-21 08:52 639228990302335999
14 ms 76.223.54.146
53 2026-08-21 08:52 639228990302335999
14 ms 13.248.169.48
52 2026-08-21 08:36 639228980567740722
14 ms 76.223.54.146
51 2026-08-21 08:36 639228980567740722
14 ms 13.248.169.48
50 2026-08-21 08:20 639228970762445174
34 ms 13.248.169.48
49 2026-08-21 08:20 639228970762445174
34 ms 76.223.54.146
48 2026-08-21 08:03 639228961065054445
56 ms 76.223.54.146
47 2026-08-21 08:03 639228961065054445
56 ms 13.248.169.48
46 2026-08-21 07:47 639228951224649885
35 ms 13.248.169.48
45 2026-08-21 07:47 639228951224649885
35 ms 76.223.54.146
44 2026-08-21 07:30 639228941303864592
33 ms 13.248.169.48
43 2026-08-21 07:30 639228941303864592
33 ms 76.223.54.146
42 2026-08-21 07:14 639228931191328583
32 ms 76.223.54.146
41 2026-08-21 07:14 639228931191328583
32 ms 13.248.169.48
40 2026-08-21 06:21 639228899518173317
4 ms 13.248.169.48
39 2026-08-21 06:21 639228899518173317
4 ms 76.223.54.146
38 2026-08-21 06:05 639228889785027669
85 ms 76.223.54.146
37 2026-08-21 06:05 639228889785027669
85 ms 13.248.169.48
36 2026-08-21 05:49 639228880106330161
80 ms 76.223.54.146
35 2026-08-21 05:49 639228880106330161
80 ms 13.248.169.48
34 2026-08-21 05:32 639228870316184091
51 ms 76.223.54.146
33 2026-08-21 05:32 639228870316184091
51 ms 13.248.169.48
32 2026-08-21 05:16 639228860695366512
92 ms 13.248.169.48
31 2026-08-21 05:16 639228860695366512
92 ms 76.223.54.146
30 2026-08-21 05:00 639228851027209500
19 ms 76.223.54.146
29 2026-08-21 05:00 639228851027209500
19 ms 13.248.169.48
28 2026-08-21 04:44 639228841479265462
27 ms 76.223.54.146
27 2026-08-21 04:44 639228841479265462
27 ms 13.248.169.48
26 2026-08-21 04:28 639228831752962260
3 ms 76.223.54.146
25 2026-08-21 04:28 639228831752962260
3 ms 13.248.169.48
24 2026-08-21 04:12 639228821953295483
2049 ms 76.223.54.146
23 2026-08-21 04:12 639228821953295483
2049 ms 13.248.169.48
22 2026-08-21 03:55 639228812227429953
31 ms 76.223.54.146
21 2026-08-21 03:55 639228812227429953
31 ms 13.248.169.48
20 2026-08-21 03:39 639228802476107538
2040 ms 13.248.169.48
19 2026-08-21 03:39 639228802476107538
2040 ms 76.223.54.146
18 2026-08-21 03:23 639228792525492032
2037 ms 13.248.169.48
17 2026-08-21 03:23 639228792525492032
2037 ms 76.223.54.146
16 2026-08-21 02:30 639228761131421385
44 ms 76.223.54.146
15 2026-08-21 02:30 639228761131421385
44 ms 13.248.169.48
14 2026-08-21 02:14 639228751571206692
11 ms 76.223.54.146
13 2026-08-21 02:14 639228751571206692
11 ms 13.248.169.48
12 2026-08-21 01:58 639228741705571019
204 ms 76.223.54.146
11 2026-08-21 01:58 639228741705571019
204 ms 13.248.169.48
10 2026-08-21 01:41 639228731642208228
42 ms 76.223.54.146
9 2026-08-21 01:41 639228731642208228
42 ms 13.248.169.48
8 2026-08-21 00:49 639228700387002072
9 ms 76.223.54.146
7 2026-08-21 00:49 639228700387002072
9 ms 13.248.169.48
6 2026-08-21 00:33 639228690742014433
35 ms 76.223.54.146
5 2026-08-21 00:33 639228690742014433
35 ms 13.248.169.48
4 2026-08-21 00:17 639228680877937122
55 ms 76.223.54.146
3 2026-08-21 00:17 639228680877937122
55 ms 13.248.169.48
2 2026-08-21 00:00 639228670775860800
2024 ms 13.248.169.48
1 2026-08-21 00:00 639228670775860800
2024 ms 76.223.54.146