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 2026-08-22. For this date, NameServerHistory found 147 DNS check records, 146 successful responses, 1 failed responses, and 228 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

147

Historical checks stored for this nameserver on selected date

Average Latency

228 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-22 23:46

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

146

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 ns.bookcase.com

Showing DNS history for 2026-08-22 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
147 2026-08-22 23:46 639230391807229016
23 ms 76.223.54.146
146 2026-08-22 23:46 639230391807229016
23 ms 13.248.169.48
145 2026-08-22 23:30 639230382051619327
132 ms 76.223.54.146
144 2026-08-22 23:30 639230382051619327
132 ms 13.248.169.48
143 2026-08-22 23:14 639230372323353529
11 ms 76.223.54.146
142 2026-08-22 23:14 639230372323353529
11 ms 13.248.169.48
141 2026-08-22 22:58 639230362586451064
-
140 2026-08-22 22:41 639230352793666303
47 ms 13.248.169.48
139 2026-08-22 22:41 639230352793666303
47 ms 76.223.54.146
138 2026-08-22 22:25 639230342775737758
21 ms 76.223.54.146
137 2026-08-22 22:25 639230342775737758
21 ms 13.248.169.48
136 2026-08-22 22:08 639230332639939561
30 ms 76.223.54.146
135 2026-08-22 22:08 639230332639939561
30 ms 13.248.169.48
134 2026-08-22 21:15 639230301014190104
2012 ms 13.248.169.48
133 2026-08-22 21:15 639230301014190104
2012 ms 76.223.54.146
132 2026-08-22 20:59 639230291048161498
16 ms 13.248.169.48
131 2026-08-22 20:59 639230291048161498
16 ms 76.223.54.146
130 2026-08-22 20:42 639230280894353664
35 ms 76.223.54.146
129 2026-08-22 20:42 639230280894353664
35 ms 13.248.169.48
128 2026-08-22 20:25 639230270699419073
67 ms 76.223.54.146
127 2026-08-22 20:25 639230270699419073
67 ms 13.248.169.48
126 2026-08-22 20:07 639230260248163050
32 ms 76.223.54.146
125 2026-08-22 20:07 639230260248163050
32 ms 13.248.169.48
124 2026-08-22 19:50 639230250122494282
21 ms 76.223.54.146
123 2026-08-22 19:50 639230250122494282
21 ms 13.248.169.48
122 2026-08-22 19:33 639230239972935046
14 ms 13.248.169.48
121 2026-08-22 19:33 639230239972935046
14 ms 76.223.54.146
120 2026-08-22 19:17 639230229963262464
27 ms 76.223.54.146
119 2026-08-22 19:17 639230229963262464
27 ms 13.248.169.48
118 2026-08-22 19:00 639230220033804658
99 ms 76.223.54.146
117 2026-08-22 19:00 639230220033804658
99 ms 13.248.169.48
116 2026-08-22 18:43 639230209891107289
24 ms 76.223.54.146
115 2026-08-22 18:43 639230209891107289
24 ms 13.248.169.48
114 2026-08-22 18:26 639230199630298717
34 ms 76.223.54.146
113 2026-08-22 18:26 639230199630298717
34 ms 13.248.169.48
112 2026-08-22 18:09 639230189301984150
21 ms 76.223.54.146
111 2026-08-22 18:09 639230189301984150
21 ms 13.248.169.48
110 2026-08-22 17:15 639230157138468804
11 ms 76.223.54.146
109 2026-08-22 17:15 639230157138468804
11 ms 13.248.169.48
108 2026-08-22 16:58 639230146987869495
103 ms 76.223.54.146
107 2026-08-22 16:58 639230146987869495
103 ms 13.248.169.48
106 2026-08-22 16:41 639230136768638516
54 ms 76.223.54.146
105 2026-08-22 16:41 639230136768638516
54 ms 13.248.169.48
104 2026-08-22 16:25 639230126735907877
27 ms 76.223.54.146
103 2026-08-22 16:25 639230126735907877
27 ms 13.248.169.48
102 2026-08-22 16:08 639230116551187768
51 ms 13.248.169.48
101 2026-08-22 16:08 639230116551187768
51 ms 76.223.54.146
100 2026-08-22 15:51 639230106335615913
33 ms 76.223.54.146
99 2026-08-22 15:51 639230106335615913
33 ms 13.248.169.48
98 2026-08-22 15:34 639230096177758176
30 ms 76.223.54.146
97 2026-08-22 15:34 639230096177758176
30 ms 13.248.169.48
96 2026-08-22 15:17 639230086185999993
33 ms 76.223.54.146
95 2026-08-22 15:17 639230086185999993
33 ms 13.248.169.48
94 2026-08-22 15:01 639230076247854903
45 ms 76.223.54.146
93 2026-08-22 15:01 639230076247854903
45 ms 13.248.169.48
92 2026-08-22 14:44 639230066076077530
37 ms 76.223.54.146
91 2026-08-22 14:44 639230066076077530
37 ms 13.248.169.48
90 2026-08-22 14:26 639230055738197328
32 ms 76.223.54.146
89 2026-08-22 14:26 639230055738197328
32 ms 13.248.169.48
88 2026-08-22 14:09 639230045411225521
40 ms 76.223.54.146
87 2026-08-22 14:09 639230045411225521
40 ms 13.248.169.48
86 2026-08-22 13:15 639230013046000470
11 ms 13.248.169.48
85 2026-08-22 13:15 639230013046000470
11 ms 76.223.54.146
84 2026-08-22 12:59 639230003090037878
15 ms 76.223.54.146
83 2026-08-22 12:59 639230003090037878
15 ms 13.248.169.48
82 2026-08-22 12:42 639229993008259475
31 ms 76.223.54.146
81 2026-08-22 12:42 639229993008259475
31 ms 13.248.169.48
80 2026-08-22 12:25 639229982909449470
38 ms 76.223.54.146
79 2026-08-22 12:25 639229982909449470
38 ms 13.248.169.48
78 2026-08-22 12:09 639229973035502212
44 ms 13.248.169.48
77 2026-08-22 12:09 639229973035502212
44 ms 76.223.54.146
76 2026-08-22 11:52 639229963064296145
64 ms 13.248.169.48
75 2026-08-22 11:52 639229963064296145
64 ms 76.223.54.146
74 2026-08-22 11:35 639229952996162143
17 ms 76.223.54.146
73 2026-08-22 11:35 639229952996162143
17 ms 13.248.169.48
72 2026-08-22 11:19 639229943051949195
40 ms 76.223.54.146
71 2026-08-22 11:19 639229943051949195
40 ms 13.248.169.48
70 2026-08-22 11:02 639229932919214934
16 ms 13.248.169.48
69 2026-08-22 11:02 639229932919214934
16 ms 76.223.54.146
68 2026-08-22 10:45 639229922745889838
21 ms 76.223.54.146
67 2026-08-22 10:45 639229922745889838
21 ms 13.248.169.48
66 2026-08-22 10:28 639229912587214796
15 ms 13.248.169.48
65 2026-08-22 10:28 639229912587214796
15 ms 76.223.54.146
64 2026-08-22 10:11 639229902240004454
62 ms 76.223.54.146
63 2026-08-22 10:11 639229902240004454
62 ms 13.248.169.48
62 2026-08-22 09:18 639229870800501662
14 ms 76.223.54.146
61 2026-08-22 09:18 639229870800501662
14 ms 13.248.169.48
60 2026-08-22 09:02 639229861058384956
2019 ms 76.223.54.146
59 2026-08-22 09:02 639229861058384956
2019 ms 13.248.169.48
58 2026-08-22 08:46 639229851158592604
2040 ms 13.248.169.48
57 2026-08-22 08:46 639229851158592604
2040 ms 76.223.54.146
56 2026-08-22 08:29 639229841475569629
32 ms 76.223.54.146
55 2026-08-22 08:29 639229841475569629
32 ms 13.248.169.48
54 2026-08-22 08:13 639229831887658471
49 ms 76.223.54.146
53 2026-08-22 08:13 639229831887658471
49 ms 13.248.169.48
52 2026-08-22 07:57 639229822043670346
2027 ms 76.223.54.146
51 2026-08-22 07:57 639229822043670346
2027 ms 13.248.169.48
50 2026-08-22 07:41 639229812327913936
11 ms 76.223.54.146
49 2026-08-22 07:41 639229812327913936
11 ms 13.248.169.48
48 2026-08-22 07:25 639229802629488686
25 ms 76.223.54.146
47 2026-08-22 07:25 639229802629488686
25 ms 13.248.169.48
46 2026-08-22 07:09 639229793051447309
3 ms 76.223.54.146
45 2026-08-22 07:09 639229793051447309
3 ms 13.248.169.48
44 2026-08-22 06:52 639229783303531961
2010 ms 76.223.54.146
43 2026-08-22 06:52 639229783303531961
2010 ms 13.248.169.48
42 2026-08-22 06:36 639229773458051942
50 ms 76.223.54.146
41 2026-08-22 06:36 639229773458051942
50 ms 13.248.169.48
40 2026-08-22 06:19 639229763373848056
49 ms 76.223.54.146
39 2026-08-22 06:19 639229763373848056
49 ms 13.248.169.48
38 2026-08-22 05:27 639229732140622809
17 ms 76.223.54.146
37 2026-08-22 05:27 639229732140622809
17 ms 13.248.169.48
36 2026-08-22 05:11 639229722699695967
42 ms 76.223.54.146
35 2026-08-22 05:11 639229722699695967
42 ms 13.248.169.48
34 2026-08-22 04:55 639229713097498075
44 ms 13.248.169.48
33 2026-08-22 04:55 639229713097498075
44 ms 76.223.54.146
32 2026-08-22 04:39 639229703543969637
4 ms 13.248.169.48
31 2026-08-22 04:39 639229703543969637
4 ms 76.223.54.146
30 2026-08-22 04:23 639229693970392873
24 ms 76.223.54.146
29 2026-08-22 04:23 639229693970392873
24 ms 13.248.169.48
28 2026-08-22 04:07 639229684277329469
103 ms 76.223.54.146
27 2026-08-22 04:07 639229684277329469
103 ms 13.248.169.48
26 2026-08-22 03:51 639229674501596661
28 ms 13.248.169.48
25 2026-08-22 03:51 639229674501596661
28 ms 76.223.54.146
24 2026-08-22 03:35 639229665064441147
27 ms 13.248.169.48
23 2026-08-22 03:35 639229665064441147
27 ms 76.223.54.146
22 2026-08-22 03:19 639229655507536872
33 ms 76.223.54.146
21 2026-08-22 03:19 639229655507536872
33 ms 13.248.169.48
20 2026-08-22 03:03 639229645849603111
2168 ms 76.223.54.146
19 2026-08-22 03:03 639229645849603111
2168 ms 13.248.169.48
18 2026-08-22 02:47 639229636090497453
51 ms 76.223.54.146
17 2026-08-22 02:47 639229636090497453
51 ms 13.248.169.48
16 2026-08-22 02:30 639229625978544281
17 ms 76.223.54.146
15 2026-08-22 02:30 639229625978544281
17 ms 13.248.169.48
14 2026-08-22 01:38 639229594644662176
25 ms 76.223.54.146
13 2026-08-22 01:38 639229594644662176
25 ms 13.248.169.48
12 2026-08-22 01:22 639229585214633065
44 ms 76.223.54.146
11 2026-08-22 01:22 639229585214633065
44 ms 13.248.169.48
10 2026-08-22 01:06 639229575581042175
47 ms 76.223.54.146
9 2026-08-22 01:06 639229575581042175
47 ms 13.248.169.48
8 2026-08-22 00:50 639229565912268962
43 ms 76.223.54.146
7 2026-08-22 00:50 639229565912268962
43 ms 13.248.169.48
6 2026-08-22 00:34 639229556237813203
17 ms 13.248.169.48
5 2026-08-22 00:34 639229556237813203
17 ms 76.223.54.146
4 2026-08-22 00:18 639229546625802518
18 ms 76.223.54.146
3 2026-08-22 00:18 639229546625802518
18 ms 13.248.169.48
2 2026-08-22 00:02 639229537172016621
2017 ms 13.248.169.48
1 2026-08-22 00:02 639229537172016621
2017 ms 76.223.54.146