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 2026-08-17. For this date, NameServerHistory found 143 DNS check records, 142 successful responses, 1 failed responses, and 237 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

143

Historical checks stored for this nameserver on selected date

Average Latency

237 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-17 23:49

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

142

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 2026-08-17 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
143 2026-08-17 23:49 639226072268080268
2181 ms 76.223.54.146
142 2026-08-17 23:49 639226072268080268
2181 ms 13.248.169.48
141 2026-08-17 23:33 639226062577647657
20 ms 76.223.54.146
140 2026-08-17 23:33 639226062577647657
20 ms 13.248.169.48
139 2026-08-17 22:40 639226031060857136
-
138 2026-08-17 22:24 639226021535117364
10 ms 13.248.169.48
137 2026-08-17 22:24 639226021535117364
10 ms 76.223.54.146
136 2026-08-17 22:08 639226011884237078
22 ms 76.223.54.146
135 2026-08-17 22:08 639226011884237078
22 ms 13.248.169.48
134 2026-08-17 21:52 639226002309299142
41 ms 76.223.54.146
133 2026-08-17 21:52 639226002309299142
41 ms 13.248.169.48
132 2026-08-17 21:36 639225992791784448
35 ms 13.248.169.48
131 2026-08-17 21:36 639225992791784448
35 ms 76.223.54.146
130 2026-08-17 21:20 639225983045271390
43 ms 76.223.54.146
129 2026-08-17 21:20 639225983045271390
43 ms 13.248.169.48
128 2026-08-17 21:04 639225973246293513
16 ms 76.223.54.146
127 2026-08-17 21:04 639225973246293513
16 ms 13.248.169.48
126 2026-08-17 20:48 639225963620186236
19 ms 76.223.54.146
125 2026-08-17 20:48 639225963620186236
19 ms 13.248.169.48
124 2026-08-17 20:31 639225953899183916
25 ms 13.248.169.48
123 2026-08-17 20:31 639225953899183916
25 ms 76.223.54.146
122 2026-08-17 20:16 639225944391528206
17 ms 13.248.169.48
121 2026-08-17 20:16 639225944391528206
17 ms 76.223.54.146
120 2026-08-17 19:59 639225934593254169
48 ms 13.248.169.48
119 2026-08-17 19:59 639225934593254169
48 ms 76.223.54.146
118 2026-08-17 19:43 639225924669984512
24 ms 76.223.54.146
117 2026-08-17 19:43 639225924669984512
24 ms 13.248.169.48
116 2026-08-17 18:50 639225893048561320
25 ms 13.248.169.48
115 2026-08-17 18:50 639225893048561320
25 ms 76.223.54.146
114 2026-08-17 18:34 639225883481298424
20 ms 76.223.54.146
113 2026-08-17 18:34 639225883481298424
20 ms 13.248.169.48
112 2026-08-17 18:18 639225873845394034
55 ms 76.223.54.146
111 2026-08-17 18:18 639225873845394034
55 ms 13.248.169.48
110 2026-08-17 18:02 639225864216078662
19 ms 76.223.54.146
109 2026-08-17 18:02 639225864216078662
19 ms 13.248.169.48
108 2026-08-17 17:46 639225854541857773
56 ms 13.248.169.48
107 2026-08-17 17:46 639225854541857773
56 ms 76.223.54.146
106 2026-08-17 17:30 639225844733604072
2049 ms 76.223.54.146
105 2026-08-17 17:30 639225844733604072
2049 ms 13.248.169.48
104 2026-08-17 17:13 639225835085229232
20 ms 76.223.54.146
103 2026-08-17 17:13 639225835085229232
20 ms 13.248.169.48
102 2026-08-17 16:57 639225825349373981
21 ms 76.223.54.146
101 2026-08-17 16:57 639225825349373981
21 ms 13.248.169.48
100 2026-08-17 16:41 639225815690604161
37 ms 76.223.54.146
99 2026-08-17 16:41 639225815690604161
37 ms 13.248.169.48
98 2026-08-17 16:25 639225805952472306
30 ms 76.223.54.146
97 2026-08-17 16:25 639225805952472306
30 ms 13.248.169.48
96 2026-08-17 16:09 639225796264729638
10 ms 76.223.54.146
95 2026-08-17 16:09 639225796264729638
10 ms 13.248.169.48
94 2026-08-17 15:52 639225786326499329
10 ms 76.223.54.146
93 2026-08-17 15:52 639225786326499329
10 ms 13.248.169.48
92 2026-08-17 15:00 639225754798130711
160 ms 76.223.54.146
91 2026-08-17 15:00 639225754798130711
160 ms 13.248.169.48
90 2026-08-17 14:44 639225745123193922
57 ms 76.223.54.146
89 2026-08-17 14:44 639225745123193922
57 ms 13.248.169.48
88 2026-08-17 14:28 639225735540597271
13 ms 13.248.169.48
87 2026-08-17 14:28 639225735540597271
13 ms 76.223.54.146
86 2026-08-17 14:11 639225725894857396
20 ms 13.248.169.48
85 2026-08-17 14:11 639225725894857396
20 ms 76.223.54.146
84 2026-08-17 13:55 639225716249606913
18 ms 13.248.169.48
83 2026-08-17 13:55 639225716249606913
18 ms 76.223.54.146
82 2026-08-17 13:39 639225706638238179
2037 ms 13.248.169.48
81 2026-08-17 13:39 639225706638238179
2037 ms 76.223.54.146
80 2026-08-17 13:23 639225696949691423
83 ms 13.248.169.48
79 2026-08-17 13:23 639225696949691423
83 ms 76.223.54.146
78 2026-08-17 13:07 639225687286186336
7 ms 13.248.169.48
77 2026-08-17 13:07 639225687286186336
7 ms 76.223.54.146
76 2026-08-17 12:51 639225677679573133
17 ms 13.248.169.48
75 2026-08-17 12:51 639225677679573133
17 ms 76.223.54.146
74 2026-08-17 12:35 639225667957861024
2153 ms 13.248.169.48
73 2026-08-17 12:35 639225667957861024
2153 ms 76.223.54.146
72 2026-08-17 12:19 639225658298791618
37 ms 76.223.54.146
71 2026-08-17 12:19 639225658298791618
37 ms 13.248.169.48
70 2026-08-17 12:03 639225648583652785
44 ms 76.223.54.146
69 2026-08-17 12:03 639225648583652785
44 ms 13.248.169.48
68 2026-08-17 11:10 639225617000524308
2018 ms 76.223.54.146
67 2026-08-17 11:10 639225617000524308
2018 ms 13.248.169.48
66 2026-08-17 10:54 639225607668541600
32 ms 76.223.54.146
65 2026-08-17 10:54 639225607668541600
32 ms 13.248.169.48
64 2026-08-17 10:38 639225598117279238
2016 ms 13.248.169.48
63 2026-08-17 10:38 639225598117279238
2016 ms 76.223.54.146
62 2026-08-17 10:23 639225588751002710
59 ms 76.223.54.146
61 2026-08-17 10:23 639225588751002710
59 ms 13.248.169.48
60 2026-08-17 10:07 639225579295831051
69 ms 13.248.169.48
59 2026-08-17 10:07 639225579295831051
69 ms 76.223.54.146
58 2026-08-17 09:51 639225569761469940
18 ms 13.248.169.48
57 2026-08-17 09:51 639225569761469940
18 ms 76.223.54.146
56 2026-08-17 09:35 639225560161422333
59 ms 76.223.54.146
55 2026-08-17 09:35 639225560161422333
59 ms 13.248.169.48
54 2026-08-17 09:19 639225550739955565
61 ms 76.223.54.146
53 2026-08-17 09:19 639225550739955565
61 ms 13.248.169.48
52 2026-08-17 09:04 639225541125222426
18 ms 76.223.54.146
51 2026-08-17 09:04 639225541125222426
18 ms 13.248.169.48
50 2026-08-17 08:47 639225531526675983
12 ms 76.223.54.146
49 2026-08-17 08:47 639225531526675983
12 ms 13.248.169.48
48 2026-08-17 08:32 639225521915528222
50 ms 13.248.169.48
47 2026-08-17 08:32 639225521915528222
50 ms 76.223.54.146
46 2026-08-17 08:15 639225512148151789
22 ms 13.248.169.48
45 2026-08-17 08:15 639225512148151789
22 ms 76.223.54.146
44 2026-08-17 07:23 639225480786142412
25 ms 76.223.54.146
43 2026-08-17 07:23 639225480786142412
25 ms 13.248.169.48
42 2026-08-17 07:07 639225471394348551
32 ms 76.223.54.146
41 2026-08-17 07:07 639225471394348551
32 ms 13.248.169.48
40 2026-08-17 06:52 639225462031685068
94 ms 76.223.54.146
39 2026-08-17 06:52 639225462031685068
94 ms 13.248.169.48
38 2026-08-17 06:36 639225452639458328
47 ms 76.223.54.146
37 2026-08-17 06:36 639225452639458328
47 ms 13.248.169.48
36 2026-08-17 06:20 639225443300966543
8 ms 13.248.169.48
35 2026-08-17 06:20 639225443300966543
8 ms 76.223.54.146
34 2026-08-17 06:05 639225433880499379
32 ms 13.248.169.48
33 2026-08-17 06:05 639225433880499379
32 ms 76.223.54.146
32 2026-08-17 05:49 639225424395198277
19 ms 76.223.54.146
31 2026-08-17 05:49 639225424395198277
19 ms 13.248.169.48
30 2026-08-17 05:33 639225414744137487
41 ms 76.223.54.146
29 2026-08-17 05:33 639225414744137487
41 ms 13.248.169.48
28 2026-08-17 05:17 639225405186783164
59 ms 76.223.54.146
27 2026-08-17 05:17 639225405186783164
59 ms 13.248.169.48
26 2026-08-17 05:01 639225395563669822
41 ms 13.248.169.48
25 2026-08-17 05:01 639225395563669822
41 ms 76.223.54.146
24 2026-08-17 04:45 639225386076645158
23 ms 76.223.54.146
23 2026-08-17 04:45 639225386076645158
23 ms 13.248.169.48
22 2026-08-17 04:29 639225376620669704
22 ms 76.223.54.146
21 2026-08-17 04:29 639225376620669704
22 ms 13.248.169.48
20 2026-08-17 03:38 639225345580892706
155 ms 76.223.54.146
19 2026-08-17 03:38 639225345580892706
155 ms 13.248.169.48
18 2026-08-17 03:22 639225336207383710
30 ms 13.248.169.48
17 2026-08-17 03:22 639225336207383710
30 ms 76.223.54.146
16 2026-08-17 03:06 639225326726565001
65 ms 76.223.54.146
15 2026-08-17 03:06 639225326726565001
65 ms 13.248.169.48
14 2026-08-17 02:50 639225317249271010
10 ms 13.248.169.48
13 2026-08-17 02:50 639225317249271010
10 ms 76.223.54.146
12 2026-08-17 01:59 639225286280886044
40 ms 13.248.169.48
11 2026-08-17 01:59 639225286280886044
40 ms 76.223.54.146
10 2026-08-17 01:43 639225276872567548
62 ms 76.223.54.146
9 2026-08-17 01:43 639225276872567548
62 ms 13.248.169.48
8 2026-08-17 01:27 639225267353865348
34 ms 76.223.54.146
7 2026-08-17 01:27 639225267353865348
34 ms 13.248.169.48
6 2026-08-17 01:12 639225258033914248
37 ms 76.223.54.146
5 2026-08-17 01:12 639225258033914248
37 ms 13.248.169.48
4 2026-08-17 00:19 639225226652221583
2012 ms 13.248.169.48
3 2026-08-17 00:19 639225226652221583
2012 ms 76.223.54.146
2 2026-08-17 00:04 639225217156387684
26 ms 76.223.54.146
1 2026-08-17 00:04 639225217156387684
26 ms 13.248.169.48