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 2026-08-15. For this date, NameServerHistory found 151 DNS check records, 150 successful responses, 1 failed responses, and 223 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

151

Historical checks stored for this nameserver on selected date

Average Latency

223 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-15 23:55

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

150

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 2026-08-15 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
151 2026-08-15 23:55 639224347685767174
42 ms 76.223.54.146
150 2026-08-15 23:55 639224347685767174
42 ms 13.248.169.48
149 2026-08-15 23:39 639224338276675277
30 ms 76.223.54.146
148 2026-08-15 23:39 639224338276675277
30 ms 13.248.169.48
147 2026-08-15 22:46 639224306594546649
32 ms 76.223.54.146
146 2026-08-15 22:46 639224306594546649
32 ms 13.248.169.48
145 2026-08-15 22:30 639224297145423303
2072 ms 13.248.169.48
144 2026-08-15 22:30 639224297145423303
2072 ms 76.223.54.146
143 2026-08-15 22:15 639224287678238833
2010 ms 76.223.54.146
142 2026-08-15 22:15 639224287678238833
2010 ms 13.248.169.48
141 2026-08-15 21:59 639224278490872828
299 ms 76.223.54.146
140 2026-08-15 21:59 639224278490872828
299 ms 13.248.169.48
139 2026-08-15 21:44 639224269149307826
47 ms 76.223.54.146
138 2026-08-15 21:44 639224269149307826
47 ms 13.248.169.48
137 2026-08-15 21:28 639224259868597616
20 ms 76.223.54.146
136 2026-08-15 21:28 639224259868597616
20 ms 13.248.169.48
135 2026-08-15 21:13 639224250518642175
27 ms 76.223.54.146
134 2026-08-15 21:13 639224250518642175
27 ms 13.248.169.48
133 2026-08-15 20:57 639224241064772383
6 ms 76.223.54.146
132 2026-08-15 20:57 639224241064772383
6 ms 13.248.169.48
131 2026-08-15 20:41 639224231691099605
24 ms 13.248.169.48
130 2026-08-15 20:41 639224231691099605
24 ms 76.223.54.146
129 2026-08-15 20:26 639224222468168159
147 ms 76.223.54.146
128 2026-08-15 20:26 639224222468168159
147 ms 13.248.169.48
127 2026-08-15 20:11 639224213173899635
34 ms 76.223.54.146
126 2026-08-15 20:11 639224213173899635
34 ms 13.248.169.48
125 2026-08-15 19:55 639224203914451783
27 ms 13.248.169.48
124 2026-08-15 19:55 639224203914451783
27 ms 76.223.54.146
123 2026-08-15 19:02 639224172202542163
45 ms 13.248.169.48
122 2026-08-15 19:02 639224172202542163
45 ms 76.223.54.146
121 2026-08-15 18:48 639224163338654093
4 ms 13.248.169.48
120 2026-08-15 18:48 639224163338654093
4 ms 76.223.54.146
119 2026-08-15 18:32 639224154287995374
10 ms 76.223.54.146
118 2026-08-15 18:32 639224154287995374
10 ms 13.248.169.48
117 2026-08-15 18:17 639224145118612503
27 ms 76.223.54.146
116 2026-08-15 18:17 639224145118612503
27 ms 13.248.169.48
115 2026-08-15 18:02 639224135995990731
8 ms 76.223.54.146
114 2026-08-15 18:02 639224135995990731
8 ms 13.248.169.48
113 2026-08-15 17:47 639224127185332624
2055 ms 13.248.169.48
112 2026-08-15 17:47 639224127185332624
2055 ms 76.223.54.146
111 2026-08-15 17:32 639224118229289175
43 ms 13.248.169.48
110 2026-08-15 17:32 639224118229289175
43 ms 76.223.54.146
109 2026-08-15 17:17 639224109273796359
24 ms 76.223.54.146
108 2026-08-15 17:17 639224109273796359
24 ms 13.248.169.48
107 2026-08-15 17:03 639224100490805608
33 ms 76.223.54.146
106 2026-08-15 17:03 639224100490805608
33 ms 13.248.169.48
105 2026-08-15 16:48 639224091353714490
30 ms 76.223.54.146
104 2026-08-15 16:48 639224091353714490
30 ms 13.248.169.48
103 2026-08-15 16:32 639224082033126828
16 ms 76.223.54.146
102 2026-08-15 16:32 639224082033126828
16 ms 13.248.169.48
101 2026-08-15 16:17 639224072736962403
10 ms 76.223.54.146
100 2026-08-15 16:17 639224072736962403
10 ms 13.248.169.48
99 2026-08-15 15:25 639224041475563754
45 ms 76.223.54.146
98 2026-08-15 15:25 639224041475563754
45 ms 13.248.169.48
97 2026-08-15 15:10 639224032345604453
3 ms 76.223.54.146
96 2026-08-15 15:10 639224032345604453
3 ms 13.248.169.48
95 2026-08-15 14:54 639224023169497283
6 ms 13.248.169.48
94 2026-08-15 14:54 639224023169497283
6 ms 76.223.54.146
93 2026-08-15 14:39 639224013981146405
24 ms 76.223.54.146
92 2026-08-15 14:39 639224013981146405
24 ms 13.248.169.48
91 2026-08-15 14:24 639224004883412586
31 ms 76.223.54.146
90 2026-08-15 14:24 639224004883412586
31 ms 13.248.169.48
89 2026-08-15 14:09 639223995612880615
23 ms 76.223.54.146
88 2026-08-15 14:09 639223995612880615
23 ms 13.248.169.48
87 2026-08-15 13:53 639223986271830789
12 ms 76.223.54.146
86 2026-08-15 13:53 639223986271830789
12 ms 13.248.169.48
85 2026-08-15 13:37 639223977005780949
23 ms 76.223.54.146
84 2026-08-15 13:37 639223977005780949
23 ms 13.248.169.48
83 2026-08-15 13:22 639223967653137793
4 ms 76.223.54.146
82 2026-08-15 13:22 639223967653137793
4 ms 13.248.169.48
81 2026-08-15 13:06 639223958286010799
3 ms 13.248.169.48
80 2026-08-15 13:06 639223958286010799
3 ms 76.223.54.146
79 2026-08-15 12:51 639223948936108345
30 ms 76.223.54.146
78 2026-08-15 12:51 639223948936108345
30 ms 13.248.169.48
77 2026-08-15 12:35 639223939673066880
44 ms 76.223.54.146
76 2026-08-15 12:35 639223939673066880
44 ms 13.248.169.48
75 2026-08-15 11:42 639223908317760530
41 ms 76.223.54.146
74 2026-08-15 11:42 639223908317760530
41 ms 13.248.169.48
73 2026-08-15 11:27 639223898992594258
52 ms 76.223.54.146
72 2026-08-15 11:27 639223898992594258
52 ms 13.248.169.48
71 2026-08-15 11:12 639223889761312823
22 ms 76.223.54.146
70 2026-08-15 11:12 639223889761312823
22 ms 13.248.169.48
69 2026-08-15 10:56 639223880359273507
38 ms 76.223.54.146
68 2026-08-15 10:56 639223880359273507
38 ms 13.248.169.48
67 2026-08-15 10:40 639223870920466808
-
66 2026-08-15 10:25 639223861579762179
12 ms 76.223.54.146
65 2026-08-15 10:25 639223861579762179
12 ms 13.248.169.48
64 2026-08-15 10:09 639223852238616009
13 ms 76.223.54.146
63 2026-08-15 10:09 639223852238616009
13 ms 13.248.169.48
62 2026-08-15 09:54 639223843019815620
17 ms 76.223.54.146
61 2026-08-15 09:54 639223843019815620
17 ms 13.248.169.48
60 2026-08-15 09:38 639223833669915012
2028 ms 76.223.54.146
59 2026-08-15 09:38 639223833669915012
2028 ms 13.248.169.48
58 2026-08-15 09:23 639223824494613222
20 ms 76.223.54.146
57 2026-08-15 09:23 639223824494613222
20 ms 13.248.169.48
56 2026-08-15 09:07 639223815116325293
51 ms 76.223.54.146
55 2026-08-15 09:07 639223815116325293
51 ms 13.248.169.48
54 2026-08-15 08:51 639223805493870221
34 ms 76.223.54.146
53 2026-08-15 08:51 639223805493870221
34 ms 13.248.169.48
52 2026-08-15 07:59 639223774218660438
2039 ms 76.223.54.146
51 2026-08-15 07:59 639223774218660438
2039 ms 13.248.169.48
50 2026-08-15 07:43 639223764663090372
31 ms 76.223.54.146
49 2026-08-15 07:43 639223764663090372
31 ms 13.248.169.48
48 2026-08-15 07:27 639223755338811400
22 ms 76.223.54.146
47 2026-08-15 07:27 639223755338811400
22 ms 13.248.169.48
46 2026-08-15 07:12 639223746019193268
24 ms 76.223.54.146
45 2026-08-15 07:12 639223746019193268
24 ms 13.248.169.48
44 2026-08-15 06:56 639223736658778104
13 ms 13.248.169.48
43 2026-08-15 06:56 639223736658778104
13 ms 76.223.54.146
42 2026-08-15 06:41 639223727330194499
17 ms 13.248.169.48
41 2026-08-15 06:41 639223727330194499
17 ms 76.223.54.146
40 2026-08-15 06:25 639223717848514742
2021 ms 76.223.54.146
39 2026-08-15 06:25 639223717848514742
2021 ms 13.248.169.48
38 2026-08-15 06:09 639223708284754056
27 ms 76.223.54.146
37 2026-08-15 06:09 639223708284754056
27 ms 13.248.169.48
36 2026-08-15 05:53 639223699061259933
13 ms 13.248.169.48
35 2026-08-15 05:53 639223699061259933
13 ms 76.223.54.146
34 2026-08-15 05:38 639223689592545140
15 ms 76.223.54.146
33 2026-08-15 05:38 639223689592545140
15 ms 13.248.169.48
32 2026-08-15 05:22 639223680143410810
23 ms 13.248.169.48
31 2026-08-15 05:22 639223680143410810
23 ms 76.223.54.146
30 2026-08-15 05:06 639223670514517104
38 ms 76.223.54.146
29 2026-08-15 05:06 639223670514517104
38 ms 13.248.169.48
28 2026-08-15 04:14 639223638855054294
2063 ms 13.248.169.48
27 2026-08-15 04:14 639223638855054294
2063 ms 76.223.54.146
26 2026-08-15 03:58 639223629623335972
36 ms 76.223.54.146
25 2026-08-15 03:58 639223629623335972
36 ms 13.248.169.48
24 2026-08-15 03:43 639223620390189495
59 ms 76.223.54.146
23 2026-08-15 03:43 639223620390189495
59 ms 13.248.169.48
22 2026-08-15 03:27 639223610916950440
19 ms 76.223.54.146
21 2026-08-15 03:27 639223610916950440
19 ms 13.248.169.48
20 2026-08-15 03:11 639223601597759168
39 ms 13.248.169.48
19 2026-08-15 03:11 639223601597759168
39 ms 76.223.54.146
18 2026-08-15 02:56 639223592342172093
273 ms 13.248.169.48
17 2026-08-15 02:56 639223592342172093
273 ms 76.223.54.146
16 2026-08-15 02:41 639223583324121497
20 ms 76.223.54.146
15 2026-08-15 02:41 639223583324121497
20 ms 13.248.169.48
14 2026-08-15 02:25 639223574086714218
41 ms 76.223.54.146
13 2026-08-15 02:25 639223574086714218
41 ms 13.248.169.48
12 2026-08-15 02:10 639223564698424889
24 ms 76.223.54.146
11 2026-08-15 02:10 639223564698424889
24 ms 13.248.169.48
10 2026-08-15 01:54 639223555408664206
70 ms 76.223.54.146
9 2026-08-15 01:54 639223555408664206
70 ms 13.248.169.48
8 2026-08-15 01:39 639223546000912416
35 ms 76.223.54.146
7 2026-08-15 01:39 639223546000912416
35 ms 13.248.169.48
6 2026-08-15 01:23 639223536550774847
17 ms 76.223.54.146
5 2026-08-15 01:23 639223536550774847
17 ms 13.248.169.48
4 2026-08-15 00:30 639223505017205611
19 ms 76.223.54.146
3 2026-08-15 00:30 639223505017205611
19 ms 13.248.169.48
2 2026-08-15 00:15 639223495784410207
19 ms 76.223.54.146
1 2026-08-15 00:15 639223495784410207
19 ms 13.248.169.48