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 2026-08-17. For this date, NameServerHistory found 143 DNS check records, 142 successful responses, 1 failed responses, and 131 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

143

Historical checks stored for this nameserver on selected date

Average Latency

131 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-17 23:47

All timestamps shown in UTC

Latest Resolved IP on Selected Date

172.67.147.201

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 ns4.librahost.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 23:47 639226072268080268
43 ms 172.67.147.201
142 2026-08-17 23:47 639226072268080268
43 ms 104.21.28.235
141 2026-08-17 23:30 639226062577647657
299 ms 104.21.28.235
140 2026-08-17 23:30 639226062577647657
299 ms 172.67.147.201
139 2026-08-17 22:38 639226031060857136
255 ms 172.67.147.201
138 2026-08-17 22:38 639226031060857136
255 ms 104.21.28.235
137 2026-08-17 22:22 639226021535117364
35 ms 172.67.147.201
136 2026-08-17 22:22 639226021535117364
35 ms 104.21.28.235
135 2026-08-17 22:06 639226011884237078
137 ms 104.21.28.235
134 2026-08-17 22:06 639226011884237078
137 ms 172.67.147.201
133 2026-08-17 21:50 639226002309299142
60 ms 172.67.147.201
132 2026-08-17 21:50 639226002309299142
60 ms 104.21.28.235
131 2026-08-17 21:34 639225992791784448
37 ms 172.67.147.201
130 2026-08-17 21:34 639225992791784448
37 ms 104.21.28.235
129 2026-08-17 21:18 639225983045271390
25 ms 104.21.28.235
128 2026-08-17 21:18 639225983045271390
25 ms 172.67.147.201
127 2026-08-17 21:02 639225973246293513
36 ms 104.21.28.235
126 2026-08-17 21:02 639225973246293513
36 ms 172.67.147.201
125 2026-08-17 20:46 639225963620186236
13 ms 104.21.28.235
124 2026-08-17 20:46 639225963620186236
13 ms 172.67.147.201
123 2026-08-17 20:29 639225953899183916
22 ms 172.67.147.201
122 2026-08-17 20:29 639225953899183916
22 ms 104.21.28.235
121 2026-08-17 20:13 639225944391528206
25 ms 104.21.28.235
120 2026-08-17 20:13 639225944391528206
25 ms 172.67.147.201
119 2026-08-17 19:57 639225934593254169
45 ms 104.21.28.235
118 2026-08-17 19:57 639225934593254169
45 ms 172.67.147.201
117 2026-08-17 19:41 639225924669984512
264 ms 104.21.28.235
116 2026-08-17 19:41 639225924669984512
264 ms 172.67.147.201
115 2026-08-17 18:48 639225893048561320
45 ms 172.67.147.201
114 2026-08-17 18:48 639225893048561320
45 ms 104.21.28.235
113 2026-08-17 18:32 639225883481298424
26 ms 172.67.147.201
112 2026-08-17 18:32 639225883481298424
26 ms 104.21.28.235
111 2026-08-17 18:16 639225873845394034
82 ms 104.21.28.235
110 2026-08-17 18:16 639225873845394034
82 ms 172.67.147.201
109 2026-08-17 18:00 639225864216078662
2029 ms 104.21.28.235
108 2026-08-17 18:00 639225864216078662
2029 ms 172.67.147.201
107 2026-08-17 17:44 639225854541857773
2038 ms 172.67.147.201
106 2026-08-17 17:44 639225854541857773
2038 ms 104.21.28.235
105 2026-08-17 17:27 639225844733604072
138 ms 172.67.147.201
104 2026-08-17 17:27 639225844733604072
138 ms 104.21.28.235
103 2026-08-17 17:11 639225835085229232
34 ms 104.21.28.235
102 2026-08-17 17:11 639225835085229232
34 ms 172.67.147.201
101 2026-08-17 16:55 639225825349373981
10 ms 172.67.147.201
100 2026-08-17 16:55 639225825349373981
10 ms 104.21.28.235
99 2026-08-17 16:39 639225815690604161
31 ms 104.21.28.235
98 2026-08-17 16:39 639225815690604161
31 ms 172.67.147.201
97 2026-08-17 16:23 639225805952472306
13 ms 104.21.28.235
96 2026-08-17 16:23 639225805952472306
13 ms 172.67.147.201
95 2026-08-17 16:07 639225796264729638
54 ms 172.67.147.201
94 2026-08-17 16:07 639225796264729638
54 ms 104.21.28.235
93 2026-08-17 15:50 639225786326499329
204 ms 104.21.28.235
92 2026-08-17 15:50 639225786326499329
204 ms 172.67.147.201
91 2026-08-17 14:58 639225754798130711
48 ms 104.21.28.235
90 2026-08-17 14:58 639225754798130711
48 ms 172.67.147.201
89 2026-08-17 14:41 639225745123193922
229 ms 104.21.28.235
88 2026-08-17 14:41 639225745123193922
229 ms 172.67.147.201
87 2026-08-17 14:25 639225735540597271
22 ms 104.21.28.235
86 2026-08-17 14:25 639225735540597271
22 ms 172.67.147.201
85 2026-08-17 14:09 639225725894857396
16 ms 104.21.28.235
84 2026-08-17 14:09 639225725894857396
16 ms 172.67.147.201
83 2026-08-17 13:53 639225716249606913
34 ms 104.21.28.235
82 2026-08-17 13:53 639225716249606913
34 ms 172.67.147.201
81 2026-08-17 13:37 639225706638238179
39 ms 172.67.147.201
80 2026-08-17 13:37 639225706638238179
39 ms 104.21.28.235
79 2026-08-17 13:21 639225696949691423
50 ms 104.21.28.235
78 2026-08-17 13:21 639225696949691423
50 ms 172.67.147.201
77 2026-08-17 13:05 639225687286186336
38 ms 104.21.28.235
76 2026-08-17 13:05 639225687286186336
38 ms 172.67.147.201
75 2026-08-17 12:49 639225677679573133
160 ms 104.21.28.235
74 2026-08-17 12:49 639225677679573133
160 ms 172.67.147.201
73 2026-08-17 12:33 639225667957861024
23 ms 172.67.147.201
72 2026-08-17 12:33 639225667957861024
23 ms 104.21.28.235
71 2026-08-17 12:17 639225658298791618
69 ms 104.21.28.235
70 2026-08-17 12:17 639225658298791618
69 ms 172.67.147.201
69 2026-08-17 12:00 639225648583652785
159 ms 172.67.147.201
68 2026-08-17 12:00 639225648583652785
159 ms 104.21.28.235
67 2026-08-17 11:08 639225617000524308
33 ms 104.21.28.235
66 2026-08-17 11:08 639225617000524308
33 ms 172.67.147.201
65 2026-08-17 10:52 639225607668541600
22 ms 172.67.147.201
64 2026-08-17 10:52 639225607668541600
22 ms 104.21.28.235
63 2026-08-17 10:36 639225598117279238
29 ms 172.67.147.201
62 2026-08-17 10:36 639225598117279238
29 ms 104.21.28.235
61 2026-08-17 10:21 639225588751002710
17 ms 104.21.28.235
60 2026-08-17 10:21 639225588751002710
17 ms 172.67.147.201
59 2026-08-17 10:05 639225579295831051
33 ms 172.67.147.201
58 2026-08-17 10:05 639225579295831051
33 ms 104.21.28.235
57 2026-08-17 09:49 639225569761469940
124 ms 172.67.147.201
56 2026-08-17 09:49 639225569761469940
124 ms 104.21.28.235
55 2026-08-17 09:33 639225560161422333
59 ms 104.21.28.235
54 2026-08-17 09:33 639225560161422333
59 ms 172.67.147.201
53 2026-08-17 09:17 639225550739955565
15 ms 104.21.28.235
52 2026-08-17 09:17 639225550739955565
15 ms 172.67.147.201
51 2026-08-17 09:01 639225541125222426
24 ms 104.21.28.235
50 2026-08-17 09:01 639225541125222426
24 ms 172.67.147.201
49 2026-08-17 08:45 639225531526675983
164 ms 172.67.147.201
48 2026-08-17 08:45 639225531526675983
164 ms 104.21.28.235
47 2026-08-17 08:29 639225521915528222
143 ms 172.67.147.201
46 2026-08-17 08:29 639225521915528222
143 ms 104.21.28.235
45 2026-08-17 08:13 639225512148151789
297 ms 104.21.28.235
44 2026-08-17 08:13 639225512148151789
297 ms 172.67.147.201
43 2026-08-17 07:21 639225480786142412
57 ms 104.21.28.235
42 2026-08-17 07:21 639225480786142412
57 ms 172.67.147.201
41 2026-08-17 07:05 639225471394348551
14 ms 172.67.147.201
40 2026-08-17 07:05 639225471394348551
14 ms 104.21.28.235
39 2026-08-17 06:50 639225462031685068
-
38 2026-08-17 06:34 639225452639458328
114 ms 104.21.28.235
37 2026-08-17 06:34 639225452639458328
114 ms 172.67.147.201
36 2026-08-17 06:18 639225443300966543
67 ms 172.67.147.201
35 2026-08-17 06:18 639225443300966543
67 ms 104.21.28.235
34 2026-08-17 06:03 639225433880499379
70 ms 104.21.28.235
33 2026-08-17 06:03 639225433880499379
70 ms 172.67.147.201
32 2026-08-17 05:47 639225424395198277
59 ms 172.67.147.201
31 2026-08-17 05:47 639225424395198277
59 ms 104.21.28.235
30 2026-08-17 05:31 639225414744137487
18 ms 172.67.147.201
29 2026-08-17 05:31 639225414744137487
18 ms 104.21.28.235
28 2026-08-17 05:15 639225405186783164
197 ms 104.21.28.235
27 2026-08-17 05:15 639225405186783164
197 ms 172.67.147.201
26 2026-08-17 04:59 639225395563669822
21 ms 104.21.28.235
25 2026-08-17 04:59 639225395563669822
21 ms 172.67.147.201
24 2026-08-17 04:43 639225386076645158
65 ms 172.67.147.201
23 2026-08-17 04:43 639225386076645158
65 ms 104.21.28.235
22 2026-08-17 04:27 639225376620669704
189 ms 172.67.147.201
21 2026-08-17 04:27 639225376620669704
189 ms 104.21.28.235
20 2026-08-17 03:35 639225345580892706
34 ms 104.21.28.235
19 2026-08-17 03:35 639225345580892706
34 ms 172.67.147.201
18 2026-08-17 03:20 639225336207383710
36 ms 172.67.147.201
17 2026-08-17 03:20 639225336207383710
36 ms 104.21.28.235
16 2026-08-17 03:04 639225326726565001
191 ms 104.21.28.235
15 2026-08-17 03:04 639225326726565001
191 ms 172.67.147.201
14 2026-08-17 02:48 639225317249271010
28 ms 172.67.147.201
13 2026-08-17 02:48 639225317249271010
28 ms 104.21.28.235
12 2026-08-17 01:57 639225286280886044
65 ms 172.67.147.201
11 2026-08-17 01:57 639225286280886044
65 ms 104.21.28.235
10 2026-08-17 01:41 639225276872567548
26 ms 104.21.28.235
9 2026-08-17 01:41 639225276872567548
26 ms 172.67.147.201
8 2026-08-17 01:25 639225267353865348
26 ms 172.67.147.201
7 2026-08-17 01:25 639225267353865348
26 ms 104.21.28.235
6 2026-08-17 01:10 639225258033914248
32 ms 104.21.28.235
5 2026-08-17 01:10 639225258033914248
32 ms 172.67.147.201
4 2026-08-17 00:17 639225226652221583
92 ms 172.67.147.201
3 2026-08-17 00:17 639225226652221583
92 ms 104.21.28.235
2 2026-08-17 00:01 639225217156387684
62 ms 104.21.28.235
1 2026-08-17 00:01 639225217156387684
62 ms 172.67.147.201