DNS response history for ns.bookcase.com

ns.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 144 DNS check records, 144 successful responses, 0 failed responses, and 260 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 ns.bookcase.com.
Records on Selected Date

144

Historical checks stored for this nameserver on selected date

Average Latency

260 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:46

All timestamps shown in UTC

Latest Resolved IP on Selected Date

13.248.169.48

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 ns.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
144 2026-08-21 23:46 639229527598660841
24 ms 13.248.169.48
143 2026-08-21 23:46 639229527598660841
24 ms 76.223.54.146
142 2026-08-21 23:30 639229517954323214
26 ms 76.223.54.146
141 2026-08-21 23:30 639229517954323214
26 ms 13.248.169.48
140 2026-08-21 23:14 639229508269999021
123 ms 13.248.169.48
139 2026-08-21 23:14 639229508269999021
123 ms 76.223.54.146
138 2026-08-21 22:58 639229498559060171
20 ms 76.223.54.146
137 2026-08-21 22:58 639229498559060171
20 ms 13.248.169.48
136 2026-08-21 22:41 639229488519347586
45 ms 76.223.54.146
135 2026-08-21 22:41 639229488519347586
45 ms 13.248.169.48
134 2026-08-21 21:48 639229456606578934
2028 ms 76.223.54.146
133 2026-08-21 21:48 639229456606578934
2028 ms 13.248.169.48
132 2026-08-21 21:32 639229446985772499
39 ms 13.248.169.48
131 2026-08-21 21:32 639229446985772499
39 ms 76.223.54.146
130 2026-08-21 21:16 639229437367313098
5 ms 76.223.54.146
129 2026-08-21 21:16 639229437367313098
5 ms 13.248.169.48
128 2026-08-21 21:00 639229427923950391
20 ms 76.223.54.146
127 2026-08-21 21:00 639229427923950391
20 ms 13.248.169.48
126 2026-08-21 20:44 639229418168588854
21 ms 76.223.54.146
125 2026-08-21 20:44 639229418168588854
21 ms 13.248.169.48
124 2026-08-21 20:27 639229408345678334
133 ms 13.248.169.48
123 2026-08-21 20:27 639229408345678334
133 ms 76.223.54.146
122 2026-08-21 20:11 639229398616354648
16 ms 76.223.54.146
121 2026-08-21 20:11 639229398616354648
16 ms 13.248.169.48
120 2026-08-21 19:55 639229388634592323
69 ms 13.248.169.48
119 2026-08-21 19:55 639229388634592323
69 ms 76.223.54.146
118 2026-08-21 19:38 639229378792837692
21 ms 13.248.169.48
117 2026-08-21 19:38 639229378792837692
21 ms 76.223.54.146
116 2026-08-21 19:22 639229369154682311
45 ms 76.223.54.146
115 2026-08-21 19:22 639229369154682311
45 ms 13.248.169.48
114 2026-08-21 19:06 639229359248017926
2018 ms 76.223.54.146
113 2026-08-21 19:06 639229359248017926
2018 ms 13.248.169.48
112 2026-08-21 18:49 639229349124294642
52 ms 76.223.54.146
111 2026-08-21 18:49 639229349124294642
52 ms 13.248.169.48
110 2026-08-21 17:56 639229317791715692
2018 ms 76.223.54.146
109 2026-08-21 17:56 639229317791715692
2018 ms 13.248.169.48
108 2026-08-21 17:40 639229308115194575
27 ms 76.223.54.146
107 2026-08-21 17:40 639229308115194575
27 ms 13.248.169.48
106 2026-08-21 17:24 639229298320320558
27 ms 13.248.169.48
105 2026-08-21 17:24 639229298320320558
27 ms 76.223.54.146
104 2026-08-21 17:08 639229288674863221
2024 ms 76.223.54.146
103 2026-08-21 17:08 639229288674863221
2024 ms 13.248.169.48
102 2026-08-21 16:52 639229278983677079
136 ms 76.223.54.146
101 2026-08-21 16:52 639229278983677079
136 ms 13.248.169.48
100 2026-08-21 16:36 639229269405517175
14 ms 76.223.54.146
99 2026-08-21 16:36 639229269405517175
14 ms 13.248.169.48
98 2026-08-21 16:19 639229259594798244
29 ms 76.223.54.146
97 2026-08-21 16:19 639229259594798244
29 ms 13.248.169.48
96 2026-08-21 16:03 639229249736681188
23 ms 13.248.169.48
95 2026-08-21 16:03 639229249736681188
23 ms 76.223.54.146
94 2026-08-21 15:46 639229239699417787
4 ms 76.223.54.146
93 2026-08-21 15:46 639229239699417787
4 ms 13.248.169.48
92 2026-08-21 15:30 639229229621964033
31 ms 13.248.169.48
91 2026-08-21 15:30 639229229621964033
31 ms 76.223.54.146
90 2026-08-21 15:13 639229219567270965
34 ms 76.223.54.146
89 2026-08-21 15:13 639229219567270965
34 ms 13.248.169.48
88 2026-08-21 14:56 639229209406666856
16 ms 76.223.54.146
87 2026-08-21 14:56 639229209406666856
16 ms 13.248.169.48
86 2026-08-21 14:03 639229177815876178
42 ms 76.223.54.146
85 2026-08-21 14:03 639229177815876178
42 ms 13.248.169.48
84 2026-08-21 13:47 639229168243572685
29 ms 76.223.54.146
83 2026-08-21 13:47 639229168243572685
29 ms 13.248.169.48
82 2026-08-21 13:31 639229158599856475
133 ms 13.248.169.48
81 2026-08-21 13:31 639229158599856475
133 ms 76.223.54.146
80 2026-08-21 13:15 639229148998940902
17 ms 76.223.54.146
79 2026-08-21 13:15 639229148998940902
17 ms 13.248.169.48
78 2026-08-21 12:59 639229139276923594
48 ms 76.223.54.146
77 2026-08-21 12:59 639229139276923594
48 ms 13.248.169.48
76 2026-08-21 12:43 639229129709912394
34 ms 76.223.54.146
75 2026-08-21 12:43 639229129709912394
34 ms 13.248.169.48
74 2026-08-21 12:26 639229119801488500
131 ms 76.223.54.146
73 2026-08-21 12:26 639229119801488500
131 ms 13.248.169.48
72 2026-08-21 12:10 639229110135262458
30 ms 76.223.54.146
71 2026-08-21 12:10 639229110135262458
30 ms 13.248.169.48
70 2026-08-21 11:54 639229100336051392
14 ms 13.248.169.48
69 2026-08-21 11:54 639229100336051392
14 ms 76.223.54.146
68 2026-08-21 11:38 639229090641415626
33 ms 13.248.169.48
67 2026-08-21 11:38 639229090641415626
33 ms 76.223.54.146
66 2026-08-21 11:21 639229080702683947
36 ms 76.223.54.146
65 2026-08-21 11:21 639229080702683947
36 ms 13.248.169.48
64 2026-08-21 11:05 639229070601456699
34 ms 13.248.169.48
63 2026-08-21 11:05 639229070601456699
34 ms 76.223.54.146
62 2026-08-21 10:12 639229038947447232
20 ms 76.223.54.146
61 2026-08-21 10:12 639229038947447232
20 ms 13.248.169.48
60 2026-08-21 09:56 639229029268708773
21 ms 76.223.54.146
59 2026-08-21 09:56 639229029268708773
21 ms 13.248.169.48
58 2026-08-21 09:40 639229019647910603
15 ms 76.223.54.146
57 2026-08-21 09:40 639229019647910603
15 ms 13.248.169.48
56 2026-08-21 09:23 639229009983843738
45 ms 76.223.54.146
55 2026-08-21 09:23 639229009983843738
45 ms 13.248.169.48
54 2026-08-21 09:07 639229000203331882
19 ms 13.248.169.48
53 2026-08-21 09:07 639229000203331882
19 ms 76.223.54.146
52 2026-08-21 08:51 639228990302335999
18 ms 76.223.54.146
51 2026-08-21 08:51 639228990302335999
18 ms 13.248.169.48
50 2026-08-21 08:35 639228980567740722
47 ms 76.223.54.146
49 2026-08-21 08:35 639228980567740722
47 ms 13.248.169.48
48 2026-08-21 08:18 639228970762445174
2030 ms 76.223.54.146
47 2026-08-21 08:18 639228970762445174
2030 ms 13.248.169.48
46 2026-08-21 08:02 639228961065054445
31 ms 76.223.54.146
45 2026-08-21 08:02 639228961065054445
31 ms 13.248.169.48
44 2026-08-21 07:45 639228951224649885
20 ms 76.223.54.146
43 2026-08-21 07:45 639228951224649885
20 ms 13.248.169.48
42 2026-08-21 07:29 639228941303864592
42 ms 76.223.54.146
41 2026-08-21 07:29 639228941303864592
42 ms 13.248.169.48
40 2026-08-21 07:12 639228931191328583
42 ms 13.248.169.48
39 2026-08-21 07:12 639228931191328583
42 ms 76.223.54.146
38 2026-08-21 06:19 639228899518173317
44 ms 76.223.54.146
37 2026-08-21 06:19 639228899518173317
44 ms 13.248.169.48
36 2026-08-21 06:03 639228889785027669
18 ms 76.223.54.146
35 2026-08-21 06:03 639228889785027669
18 ms 13.248.169.48
34 2026-08-21 05:47 639228880106330161
2033 ms 76.223.54.146
33 2026-08-21 05:47 639228880106330161
2033 ms 13.248.169.48
32 2026-08-21 05:31 639228870316184091
26 ms 76.223.54.146
31 2026-08-21 05:31 639228870316184091
26 ms 13.248.169.48
30 2026-08-21 05:15 639228860695366512
32 ms 76.223.54.146
29 2026-08-21 05:15 639228860695366512
32 ms 13.248.169.48
28 2026-08-21 04:59 639228851027209500
29 ms 76.223.54.146
27 2026-08-21 04:59 639228851027209500
29 ms 13.248.169.48
26 2026-08-21 04:43 639228841479265462
38 ms 13.248.169.48
25 2026-08-21 04:43 639228841479265462
38 ms 76.223.54.146
24 2026-08-21 04:26 639228831752962260
19 ms 76.223.54.146
23 2026-08-21 04:26 639228831752962260
19 ms 13.248.169.48
22 2026-08-21 04:10 639228821953295483
14 ms 13.248.169.48
21 2026-08-21 04:10 639228821953295483
14 ms 76.223.54.146
20 2026-08-21 03:54 639228812227429953
166 ms 13.248.169.48
19 2026-08-21 03:54 639228812227429953
166 ms 76.223.54.146
18 2026-08-21 03:38 639228802476107538
27 ms 76.223.54.146
17 2026-08-21 03:38 639228802476107538
27 ms 13.248.169.48
16 2026-08-21 03:21 639228792525492032
35 ms 76.223.54.146
15 2026-08-21 03:21 639228792525492032
35 ms 13.248.169.48
14 2026-08-21 02:29 639228761131421385
2032 ms 76.223.54.146
13 2026-08-21 02:29 639228761131421385
2032 ms 13.248.169.48
12 2026-08-21 02:13 639228751571206692
13 ms 76.223.54.146
11 2026-08-21 02:13 639228751571206692
13 ms 13.248.169.48
10 2026-08-21 01:56 639228741705571019
2021 ms 76.223.54.146
9 2026-08-21 01:56 639228741705571019
2021 ms 13.248.169.48
8 2026-08-21 01:40 639228731642208228
31 ms 13.248.169.48
7 2026-08-21 01:40 639228731642208228
31 ms 76.223.54.146
6 2026-08-21 00:47 639228700387002072
91 ms 76.223.54.146
5 2026-08-21 00:47 639228700387002072
91 ms 13.248.169.48
4 2026-08-21 00:31 639228690742014433
18 ms 13.248.169.48
3 2026-08-21 00:31 639228690742014433
18 ms 76.223.54.146
2 2026-08-21 00:15 639228680877937122
31 ms 76.223.54.146
1 2026-08-21 00:15 639228680877937122
31 ms 13.248.169.48