DNS response history for ns4.librahost.com

ns4.librahost.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 114 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 ns4.librahost.com.
Records on Selected Date

147

Historical checks stored for this nameserver on selected date

Average Latency

114 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

104.21.28.235

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 ns4.librahost.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
43 ms 104.21.28.235
146 2026-08-22 23:46 639230391807229016
43 ms 172.67.147.201
145 2026-08-22 23:30 639230382051619327
109 ms 172.67.147.201
144 2026-08-22 23:30 639230382051619327
109 ms 104.21.28.235
143 2026-08-22 23:13 639230372323353529
25 ms 104.21.28.235
142 2026-08-22 23:13 639230372323353529
25 ms 172.67.147.201
141 2026-08-22 22:57 639230362586451064
36 ms 172.67.147.201
140 2026-08-22 22:57 639230362586451064
36 ms 104.21.28.235
139 2026-08-22 22:41 639230352793666303
74 ms 104.21.28.235
138 2026-08-22 22:41 639230352793666303
74 ms 172.67.147.201
137 2026-08-22 22:24 639230342775737758
47 ms 104.21.28.235
136 2026-08-22 22:24 639230342775737758
47 ms 172.67.147.201
135 2026-08-22 22:07 639230332639939561
395 ms 104.21.28.235
134 2026-08-22 22:07 639230332639939561
395 ms 172.67.147.201
133 2026-08-22 21:15 639230301014190104
28 ms 172.67.147.201
132 2026-08-22 21:15 639230301014190104
28 ms 104.21.28.235
131 2026-08-22 20:58 639230291048161498
54 ms 172.67.147.201
130 2026-08-22 20:58 639230291048161498
54 ms 104.21.28.235
129 2026-08-22 20:41 639230280894353664
73 ms 172.67.147.201
128 2026-08-22 20:41 639230280894353664
73 ms 104.21.28.235
127 2026-08-22 20:24 639230270699419073
53 ms 172.67.147.201
126 2026-08-22 20:24 639230270699419073
53 ms 104.21.28.235
125 2026-08-22 20:07 639230260248163050
195 ms 172.67.147.201
124 2026-08-22 20:07 639230260248163050
195 ms 104.21.28.235
123 2026-08-22 19:50 639230250122494282
68 ms 172.67.147.201
122 2026-08-22 19:50 639230250122494282
68 ms 104.21.28.235
121 2026-08-22 19:33 639230239972935046
66 ms 172.67.147.201
120 2026-08-22 19:33 639230239972935046
66 ms 104.21.28.235
119 2026-08-22 19:16 639230229963262464
37 ms 172.67.147.201
118 2026-08-22 19:16 639230229963262464
37 ms 104.21.28.235
117 2026-08-22 19:00 639230220033804658
51 ms 172.67.147.201
116 2026-08-22 19:00 639230220033804658
51 ms 104.21.28.235
115 2026-08-22 18:43 639230209891107289
55 ms 172.67.147.201
114 2026-08-22 18:43 639230209891107289
55 ms 104.21.28.235
113 2026-08-22 18:26 639230199630298717
26 ms 172.67.147.201
112 2026-08-22 18:26 639230199630298717
26 ms 104.21.28.235
111 2026-08-22 18:08 639230189301984150
297 ms 172.67.147.201
110 2026-08-22 18:08 639230189301984150
297 ms 104.21.28.235
109 2026-08-22 17:15 639230157138468804
61 ms 104.21.28.235
108 2026-08-22 17:15 639230157138468804
61 ms 172.67.147.201
107 2026-08-22 16:58 639230146987869495
87 ms 172.67.147.201
106 2026-08-22 16:58 639230146987869495
87 ms 104.21.28.235
105 2026-08-22 16:41 639230136768638516
23 ms 172.67.147.201
104 2026-08-22 16:41 639230136768638516
23 ms 104.21.28.235
103 2026-08-22 16:24 639230126735907877
56 ms 104.21.28.235
102 2026-08-22 16:24 639230126735907877
56 ms 172.67.147.201
101 2026-08-22 16:07 639230116551187768
22 ms 104.21.28.235
100 2026-08-22 16:07 639230116551187768
22 ms 172.67.147.201
99 2026-08-22 15:50 639230106335615913
40 ms 104.21.28.235
98 2026-08-22 15:50 639230106335615913
40 ms 172.67.147.201
97 2026-08-22 15:33 639230096177758176
60 ms 104.21.28.235
96 2026-08-22 15:33 639230096177758176
60 ms 172.67.147.201
95 2026-08-22 15:16 639230086185999993
70 ms 104.21.28.235
94 2026-08-22 15:16 639230086185999993
70 ms 172.67.147.201
93 2026-08-22 15:00 639230076247854903
82 ms 172.67.147.201
92 2026-08-22 15:00 639230076247854903
82 ms 104.21.28.235
91 2026-08-22 14:43 639230066076077530
76 ms 104.21.28.235
90 2026-08-22 14:43 639230066076077530
76 ms 172.67.147.201
89 2026-08-22 14:26 639230055738197328
33 ms 172.67.147.201
88 2026-08-22 14:26 639230055738197328
33 ms 104.21.28.235
87 2026-08-22 14:09 639230045411225521
319 ms 104.21.28.235
86 2026-08-22 14:09 639230045411225521
319 ms 172.67.147.201
85 2026-08-22 13:15 639230013046000470
42 ms 172.67.147.201
84 2026-08-22 13:15 639230013046000470
42 ms 104.21.28.235
83 2026-08-22 12:58 639230003090037878
124 ms 104.21.28.235
82 2026-08-22 12:58 639230003090037878
124 ms 172.67.147.201
81 2026-08-22 12:41 639229993008259475
13 ms 172.67.147.201
80 2026-08-22 12:41 639229993008259475
13 ms 104.21.28.235
79 2026-08-22 12:24 639229982909449470
33 ms 104.21.28.235
78 2026-08-22 12:24 639229982909449470
33 ms 172.67.147.201
77 2026-08-22 12:08 639229973035502212
2024 ms 104.21.28.235
76 2026-08-22 12:08 639229973035502212
2024 ms 172.67.147.201
75 2026-08-22 11:51 639229963064296145
72 ms 104.21.28.235
74 2026-08-22 11:51 639229963064296145
72 ms 172.67.147.201
73 2026-08-22 11:35 639229952996162143
162 ms 104.21.28.235
72 2026-08-22 11:35 639229952996162143
162 ms 172.67.147.201
71 2026-08-22 11:18 639229943051949195
16 ms 172.67.147.201
70 2026-08-22 11:18 639229943051949195
16 ms 104.21.28.235
69 2026-08-22 11:01 639229932919214934
-
68 2026-08-22 10:44 639229922745889838
233 ms 172.67.147.201
67 2026-08-22 10:44 639229922745889838
233 ms 104.21.28.235
66 2026-08-22 10:27 639229912587214796
176 ms 104.21.28.235
65 2026-08-22 10:27 639229912587214796
176 ms 172.67.147.201
64 2026-08-22 10:10 639229902240004454
315 ms 104.21.28.235
63 2026-08-22 10:10 639229902240004454
315 ms 172.67.147.201
62 2026-08-22 09:18 639229870800501662
99 ms 104.21.28.235
61 2026-08-22 09:18 639229870800501662
99 ms 172.67.147.201
60 2026-08-22 09:01 639229861058384956
134 ms 172.67.147.201
59 2026-08-22 09:01 639229861058384956
134 ms 104.21.28.235
58 2026-08-22 08:45 639229851158592604
63 ms 172.67.147.201
57 2026-08-22 08:45 639229851158592604
63 ms 104.21.28.235
56 2026-08-22 08:29 639229841475569629
47 ms 172.67.147.201
55 2026-08-22 08:29 639229841475569629
47 ms 104.21.28.235
54 2026-08-22 08:13 639229831887658471
77 ms 172.67.147.201
53 2026-08-22 08:13 639229831887658471
77 ms 104.21.28.235
52 2026-08-22 07:56 639229822043670346
264 ms 104.21.28.235
51 2026-08-22 07:56 639229822043670346
264 ms 172.67.147.201
50 2026-08-22 07:40 639229812327913936
10 ms 104.21.28.235
49 2026-08-22 07:40 639229812327913936
10 ms 172.67.147.201
48 2026-08-22 07:24 639229802629488686
36 ms 104.21.28.235
47 2026-08-22 07:24 639229802629488686
36 ms 172.67.147.201
46 2026-08-22 07:08 639229793051447309
53 ms 104.21.28.235
45 2026-08-22 07:08 639229793051447309
53 ms 172.67.147.201
44 2026-08-22 06:52 639229783303531961
32 ms 172.67.147.201
43 2026-08-22 06:52 639229783303531961
32 ms 104.21.28.235
42 2026-08-22 06:35 639229773458051942
180 ms 104.21.28.235
41 2026-08-22 06:35 639229773458051942
180 ms 172.67.147.201
40 2026-08-22 06:18 639229763373848056
392 ms 104.21.28.235
39 2026-08-22 06:18 639229763373848056
392 ms 172.67.147.201
38 2026-08-22 05:26 639229732140622809
16 ms 104.21.28.235
37 2026-08-22 05:26 639229732140622809
16 ms 172.67.147.201
36 2026-08-22 05:11 639229722699695967
28 ms 172.67.147.201
35 2026-08-22 05:11 639229722699695967
28 ms 104.21.28.235
34 2026-08-22 04:55 639229713097498075
23 ms 104.21.28.235
33 2026-08-22 04:55 639229713097498075
23 ms 172.67.147.201
32 2026-08-22 04:39 639229703543969637
19 ms 104.21.28.235
31 2026-08-22 04:39 639229703543969637
19 ms 172.67.147.201
30 2026-08-22 04:23 639229693970392873
26 ms 104.21.28.235
29 2026-08-22 04:23 639229693970392873
26 ms 172.67.147.201
28 2026-08-22 04:07 639229684277329469
28 ms 172.67.147.201
27 2026-08-22 04:07 639229684277329469
28 ms 104.21.28.235
26 2026-08-22 03:50 639229674501596661
25 ms 172.67.147.201
25 2026-08-22 03:50 639229674501596661
25 ms 104.21.28.235
24 2026-08-22 03:35 639229665064441147
29 ms 172.67.147.201
23 2026-08-22 03:35 639229665064441147
29 ms 104.21.28.235
22 2026-08-22 03:19 639229655507536872
185 ms 104.21.28.235
21 2026-08-22 03:19 639229655507536872
185 ms 172.67.147.201
20 2026-08-22 03:03 639229645849603111
43 ms 104.21.28.235
19 2026-08-22 03:03 639229645849603111
43 ms 172.67.147.201
18 2026-08-22 02:46 639229636090497453
95 ms 104.21.28.235
17 2026-08-22 02:46 639229636090497453
95 ms 172.67.147.201
16 2026-08-22 02:29 639229625978544281
169 ms 172.67.147.201
15 2026-08-22 02:29 639229625978544281
169 ms 104.21.28.235
14 2026-08-22 01:37 639229594644662176
38 ms 172.67.147.201
13 2026-08-22 01:37 639229594644662176
38 ms 104.21.28.235
12 2026-08-22 01:22 639229585214633065
148 ms 104.21.28.235
11 2026-08-22 01:22 639229585214633065
148 ms 172.67.147.201
10 2026-08-22 01:05 639229575581042175
39 ms 104.21.28.235
9 2026-08-22 01:05 639229575581042175
39 ms 172.67.147.201
8 2026-08-22 00:49 639229565912268962
28 ms 104.21.28.235
7 2026-08-22 00:49 639229565912268962
28 ms 172.67.147.201
6 2026-08-22 00:33 639229556237813203
20 ms 172.67.147.201
5 2026-08-22 00:33 639229556237813203
20 ms 104.21.28.235
4 2026-08-22 00:17 639229546625802518
27 ms 104.21.28.235
3 2026-08-22 00:17 639229546625802518
27 ms 172.67.147.201
2 2026-08-22 00:01 639229537172016621
56 ms 172.67.147.201
1 2026-08-22 00:01 639229537172016621
56 ms 104.21.28.235