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 2026-08-20. For this date, NameServerHistory found 114 DNS check records, 114 successful responses, 0 failed responses, and 170 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

114

Historical checks stored for this nameserver on selected date

Average Latency

170 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-20 23:58

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

114

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 2026-08-20 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
114 2026-08-20 23:58 639228670775860800
28 ms 76.223.54.146
113 2026-08-20 23:58 639228670775860800
28 ms 13.248.169.48
112 2026-08-20 23:07 639228639850033448
71 ms 13.248.169.48
111 2026-08-20 23:07 639228639850033448
71 ms 76.223.54.146
110 2026-08-20 22:50 639228630204271870
13 ms 76.223.54.146
109 2026-08-20 22:50 639228630204271870
13 ms 13.248.169.48
108 2026-08-20 22:34 639228620295091135
11 ms 13.248.169.48
107 2026-08-20 22:34 639228620295091135
11 ms 76.223.54.146
106 2026-08-20 22:17 639228610298336915
35 ms 13.248.169.48
105 2026-08-20 22:17 639228610298336915
35 ms 76.223.54.146
104 2026-08-20 21:25 639228578917047616
5 ms 13.248.169.48
103 2026-08-20 21:25 639228578917047616
5 ms 76.223.54.146
102 2026-08-20 21:09 639228569046445709
41 ms 76.223.54.146
101 2026-08-20 21:09 639228569046445709
41 ms 13.248.169.48
100 2026-08-20 20:52 639228558946830986
50 ms 76.223.54.146
99 2026-08-20 20:52 639228558946830986
50 ms 13.248.169.48
98 2026-08-20 20:35 639228548977359217
41 ms 13.248.169.48
97 2026-08-20 20:35 639228548977359217
41 ms 76.223.54.146
96 2026-08-20 19:43 639228517494157668
6 ms 76.223.54.146
95 2026-08-20 19:43 639228517494157668
6 ms 13.248.169.48
94 2026-08-20 19:26 639228507374116892
24 ms 76.223.54.146
93 2026-08-20 19:26 639228507374116892
24 ms 13.248.169.48
92 2026-08-20 19:09 639228497315154893
24 ms 76.223.54.146
91 2026-08-20 19:09 639228497315154893
24 ms 13.248.169.48
90 2026-08-20 18:52 639228487287648341
38 ms 76.223.54.146
89 2026-08-20 18:52 639228487287648341
38 ms 13.248.169.48
88 2026-08-20 18:00 639228455828123788
2016 ms 76.223.54.146
87 2026-08-20 18:00 639228455828123788
2016 ms 13.248.169.48
86 2026-08-20 17:43 639228445900082244
65 ms 76.223.54.146
85 2026-08-20 17:43 639228445900082244
65 ms 13.248.169.48
84 2026-08-20 17:27 639228435866352323
29 ms 13.248.169.48
83 2026-08-20 17:27 639228435866352323
29 ms 76.223.54.146
82 2026-08-20 17:10 639228425802273151
10 ms 13.248.169.48
81 2026-08-20 17:10 639228425802273151
10 ms 76.223.54.146
80 2026-08-20 16:16 639228393616324230
6 ms 76.223.54.146
79 2026-08-20 16:16 639228393616324230
6 ms 13.248.169.48
78 2026-08-20 15:59 639228383590408693
18 ms 76.223.54.146
77 2026-08-20 15:59 639228383590408693
18 ms 13.248.169.48
76 2026-08-20 15:43 639228373471467474
42 ms 76.223.54.146
75 2026-08-20 15:43 639228373471467474
42 ms 13.248.169.48
74 2026-08-20 15:26 639228363426647311
17 ms 76.223.54.146
73 2026-08-20 15:26 639228363426647311
17 ms 13.248.169.48
72 2026-08-20 14:33 639228331681701910
8 ms 13.248.169.48
71 2026-08-20 14:33 639228331681701910
8 ms 76.223.54.146
70 2026-08-20 14:16 639228321714746824
20 ms 76.223.54.146
69 2026-08-20 14:16 639228321714746824
20 ms 13.248.169.48
68 2026-08-20 14:00 639228311652090262
47 ms 76.223.54.146
67 2026-08-20 14:00 639228311652090262
47 ms 13.248.169.48
66 2026-08-20 13:43 639228301670088587
15 ms 13.248.169.48
65 2026-08-20 13:43 639228301670088587
15 ms 76.223.54.146
64 2026-08-20 12:50 639228269987976710
10 ms 13.248.169.48
63 2026-08-20 12:50 639228269987976710
10 ms 76.223.54.146
62 2026-08-20 12:34 639228260009452308
2017 ms 13.248.169.48
61 2026-08-20 12:34 639228260009452308
2017 ms 76.223.54.146
60 2026-08-20 12:16 639228249661740894
40 ms 76.223.54.146
59 2026-08-20 12:16 639228249661740894
40 ms 13.248.169.48
58 2026-08-20 11:59 639228239552680346
18 ms 76.223.54.146
57 2026-08-20 11:59 639228239552680346
18 ms 13.248.169.48
56 2026-08-20 11:06 639228207667580819
24 ms 76.223.54.146
55 2026-08-20 11:06 639228207667580819
24 ms 13.248.169.48
54 2026-08-20 10:49 639228197494011560
20 ms 76.223.54.146
53 2026-08-20 10:49 639228197494011560
20 ms 13.248.169.48
52 2026-08-20 10:33 639228187497039939
22 ms 76.223.54.146
51 2026-08-20 10:33 639228187497039939
22 ms 13.248.169.48
50 2026-08-20 10:16 639228177408432646
43 ms 76.223.54.146
49 2026-08-20 10:16 639228177408432646
43 ms 13.248.169.48
48 2026-08-20 09:24 639228146356166262
21 ms 13.248.169.48
47 2026-08-20 09:24 639228146356166262
21 ms 76.223.54.146
46 2026-08-20 09:08 639228136541505712
4 ms 13.248.169.48
45 2026-08-20 09:08 639228136541505712
4 ms 76.223.54.146
44 2026-08-20 08:51 639228126519136598
51 ms 76.223.54.146
43 2026-08-20 08:51 639228126519136598
51 ms 13.248.169.48
42 2026-08-20 08:34 639228116537148885
43 ms 76.223.54.146
41 2026-08-20 08:34 639228116537148885
43 ms 13.248.169.48
40 2026-08-20 07:42 639228085320764351
21 ms 76.223.54.146
39 2026-08-20 07:42 639228085320764351
21 ms 13.248.169.48
38 2026-08-20 07:26 639228075444604839
33 ms 76.223.54.146
37 2026-08-20 07:26 639228075444604839
33 ms 13.248.169.48
36 2026-08-20 07:10 639228065615498985
38 ms 76.223.54.146
35 2026-08-20 07:10 639228065615498985
38 ms 13.248.169.48
34 2026-08-20 06:53 639228055675321422
58 ms 76.223.54.146
33 2026-08-20 06:53 639228055675321422
58 ms 13.248.169.48
32 2026-08-20 06:01 639228024230839396
39 ms 76.223.54.146
31 2026-08-20 06:01 639228024230839396
39 ms 13.248.169.48
30 2026-08-20 05:45 639228014720406505
27 ms 76.223.54.146
29 2026-08-20 05:45 639228014720406505
27 ms 13.248.169.48
28 2026-08-20 05:28 639228004930827030
28 ms 13.248.169.48
27 2026-08-20 05:28 639228004930827030
28 ms 76.223.54.146
26 2026-08-20 05:12 639227995103340154
15 ms 76.223.54.146
25 2026-08-20 05:12 639227995103340154
15 ms 13.248.169.48
24 2026-08-20 04:20 639227963811374894
2014 ms 13.248.169.48
23 2026-08-20 04:20 639227963811374894
2014 ms 76.223.54.146
22 2026-08-20 04:04 639227954132571365
21 ms 76.223.54.146
21 2026-08-20 04:04 639227954132571365
21 ms 13.248.169.48
20 2026-08-20 03:48 639227944541208342
10 ms 76.223.54.146
19 2026-08-20 03:48 639227944541208342
10 ms 13.248.169.48
18 2026-08-20 03:31 639227934657213484
3 ms 13.248.169.48
17 2026-08-20 03:31 639227934657213484
3 ms 76.223.54.146
16 2026-08-20 02:39 639227903628145469
31 ms 76.223.54.146
15 2026-08-20 02:39 639227903628145469
31 ms 13.248.169.48
14 2026-08-20 02:23 639227893995483475
53 ms 13.248.169.48
13 2026-08-20 02:23 639227893995483475
53 ms 76.223.54.146
12 2026-08-20 02:07 639227884280244209
38 ms 13.248.169.48
11 2026-08-20 02:07 639227884280244209
38 ms 76.223.54.146
10 2026-08-20 01:51 639227874371147132
19 ms 76.223.54.146
9 2026-08-20 01:51 639227874371147132
19 ms 13.248.169.48
8 2026-08-20 00:59 639227843224256432
77 ms 76.223.54.146
7 2026-08-20 00:59 639227843224256432
77 ms 13.248.169.48
6 2026-08-20 00:43 639227833720403506
2125 ms 13.248.169.48
5 2026-08-20 00:43 639227833720403506
2125 ms 76.223.54.146
4 2026-08-20 00:27 639227824170728278
14 ms 76.223.54.146
3 2026-08-20 00:27 639227824170728278
14 ms 13.248.169.48
2 2026-08-20 00:12 639227814865867570
48 ms 76.223.54.146
1 2026-08-20 00:12 639227814865867570
48 ms 13.248.169.48