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 2026-08-09. For this date, NameServerHistory found 153 DNS check records, 152 successful responses, 1 failed responses, and 142 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

153

Historical checks stored for this nameserver on selected date

Average Latency

142 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-09 23:09

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

152

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 2026-08-09 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
153 2026-08-09 23:09 639219137912168440
33 ms 104.21.28.235
152 2026-08-09 23:09 639219137912168440
33 ms 172.67.147.201
151 2026-08-09 22:55 639219129014206359
117 ms 172.67.147.201
150 2026-08-09 22:55 639219129014206359
117 ms 104.21.28.235
149 2026-08-09 22:40 639219120129816185
55 ms 104.21.28.235
148 2026-08-09 22:40 639219120129816185
55 ms 172.67.147.201
147 2026-08-09 22:25 639219111180200055
28 ms 172.67.147.201
146 2026-08-09 22:25 639219111180200055
28 ms 104.21.28.235
145 2026-08-09 22:10 639219102397272208
32 ms 172.67.147.201
144 2026-08-09 22:10 639219102397272208
32 ms 104.21.28.235
143 2026-08-09 21:55 639219093318422880
-
142 2026-08-09 21:40 639219084400315753
17 ms 172.67.147.201
141 2026-08-09 21:40 639219084400315753
17 ms 104.21.28.235
140 2026-08-09 21:25 639219075254551587
55 ms 104.21.28.235
139 2026-08-09 21:25 639219075254551587
55 ms 172.67.147.201
138 2026-08-09 21:09 639219065729192158
2073 ms 172.67.147.201
137 2026-08-09 21:09 639219065729192158
2073 ms 104.21.28.235
136 2026-08-09 20:54 639219056747802098
25 ms 104.21.28.235
135 2026-08-09 20:54 639219056747802098
25 ms 172.67.147.201
134 2026-08-09 20:39 639219047713450952
13 ms 172.67.147.201
133 2026-08-09 20:39 639219047713450952
13 ms 104.21.28.235
132 2026-08-09 20:24 639219038561445315
23 ms 172.67.147.201
131 2026-08-09 20:24 639219038561445315
23 ms 104.21.28.235
130 2026-08-09 19:32 639219007390383771
68 ms 104.21.28.235
129 2026-08-09 19:32 639219007390383771
68 ms 172.67.147.201
128 2026-08-09 19:17 639218998523265596
12 ms 104.21.28.235
127 2026-08-09 19:17 639218998523265596
12 ms 172.67.147.201
126 2026-08-09 19:02 639218989631630804
54 ms 104.21.28.235
125 2026-08-09 19:02 639218989631630804
54 ms 172.67.147.201
124 2026-08-09 18:48 639218980808450892
26 ms 172.67.147.201
123 2026-08-09 18:48 639218980808450892
26 ms 104.21.28.235
122 2026-08-09 18:33 639218971852160604
11 ms 104.21.28.235
121 2026-08-09 18:33 639218971852160604
11 ms 172.67.147.201
120 2026-08-09 18:18 639218962783650906
27 ms 172.67.147.201
119 2026-08-09 18:18 639218962783650906
27 ms 104.21.28.235
118 2026-08-09 18:03 639218953792820819
44 ms 104.21.28.235
117 2026-08-09 18:03 639218953792820819
44 ms 172.67.147.201
116 2026-08-09 17:48 639218944959692876
10 ms 104.21.28.235
115 2026-08-09 17:48 639218944959692876
10 ms 172.67.147.201
114 2026-08-09 17:33 639218936169104506
9 ms 104.21.28.235
113 2026-08-09 17:33 639218936169104506
9 ms 172.67.147.201
112 2026-08-09 17:18 639218927166062556
42 ms 172.67.147.201
111 2026-08-09 17:18 639218927166062556
42 ms 104.21.28.235
110 2026-08-09 17:03 639218918015715420
30 ms 172.67.147.201
109 2026-08-09 17:03 639218918015715420
30 ms 104.21.28.235
108 2026-08-09 16:48 639218908881852638
2049 ms 104.21.28.235
107 2026-08-09 16:48 639218908881852638
2049 ms 172.67.147.201
106 2026-08-09 15:56 639218877956262035
68 ms 172.67.147.201
105 2026-08-09 15:56 639218877956262035
68 ms 104.21.28.235
104 2026-08-09 15:41 639218869143729797
73 ms 172.67.147.201
103 2026-08-09 15:41 639218869143729797
73 ms 104.21.28.235
102 2026-08-09 15:27 639218860485298832
15 ms 172.67.147.201
101 2026-08-09 15:27 639218860485298832
15 ms 104.21.28.235
100 2026-08-09 15:12 639218851607906747
9 ms 172.67.147.201
99 2026-08-09 15:12 639218851607906747
9 ms 104.21.28.235
98 2026-08-09 14:57 639218842720839568
41 ms 104.21.28.235
97 2026-08-09 14:57 639218842720839568
41 ms 172.67.147.201
96 2026-08-09 14:43 639218833878788864
29 ms 172.67.147.201
95 2026-08-09 14:43 639218833878788864
29 ms 104.21.28.235
94 2026-08-09 14:28 639218825180862573
31 ms 104.21.28.235
93 2026-08-09 14:28 639218825180862573
31 ms 172.67.147.201
92 2026-08-09 14:14 639218816469621951
15 ms 104.21.28.235
91 2026-08-09 14:14 639218816469621951
15 ms 172.67.147.201
90 2026-08-09 13:59 639218807685036212
35 ms 172.67.147.201
89 2026-08-09 13:59 639218807685036212
35 ms 104.21.28.235
88 2026-08-09 13:45 639218798978271509
28 ms 172.67.147.201
87 2026-08-09 13:45 639218798978271509
28 ms 104.21.28.235
86 2026-08-09 13:30 639218790065423597
49 ms 172.67.147.201
85 2026-08-09 13:30 639218790065423597
49 ms 104.21.28.235
84 2026-08-09 13:15 639218781304584862
15 ms 104.21.28.235
83 2026-08-09 13:15 639218781304584862
15 ms 172.67.147.201
82 2026-08-09 12:24 639218750311179000
36 ms 172.67.147.201
81 2026-08-09 12:24 639218750311179000
36 ms 104.21.28.235
80 2026-08-09 12:09 639218741750420268
51 ms 104.21.28.235
79 2026-08-09 12:09 639218741750420268
51 ms 172.67.147.201
78 2026-08-09 11:55 639218733057535576
44 ms 104.21.28.235
77 2026-08-09 11:55 639218733057535576
44 ms 172.67.147.201
76 2026-08-09 11:41 639218724471329044
28 ms 104.21.28.235
75 2026-08-09 11:41 639218724471329044
28 ms 172.67.147.201
74 2026-08-09 11:26 639218715911974203
68 ms 172.67.147.201
73 2026-08-09 11:26 639218715911974203
68 ms 104.21.28.235
72 2026-08-09 11:12 639218707310812834
18 ms 104.21.28.235
71 2026-08-09 11:12 639218707310812834
18 ms 172.67.147.201
70 2026-08-09 10:58 639218698790485612
38 ms 104.21.28.235
69 2026-08-09 10:58 639218698790485612
38 ms 172.67.147.201
68 2026-08-09 10:44 639218690367692706
9 ms 104.21.28.235
67 2026-08-09 10:44 639218690367692706
9 ms 172.67.147.201
66 2026-08-09 10:30 639218681923173883
34 ms 104.21.28.235
65 2026-08-09 10:30 639218681923173883
34 ms 172.67.147.201
64 2026-08-09 10:16 639218673547179738
13 ms 104.21.28.235
63 2026-08-09 10:16 639218673547179738
13 ms 172.67.147.201
62 2026-08-09 10:01 639218664890274867
19 ms 104.21.28.235
61 2026-08-09 10:01 639218664890274867
19 ms 172.67.147.201
60 2026-08-09 09:46 639218656036928157
17 ms 104.21.28.235
59 2026-08-09 09:46 639218656036928157
17 ms 172.67.147.201
58 2026-08-09 08:54 639218624808018222
47 ms 104.21.28.235
57 2026-08-09 08:54 639218624808018222
47 ms 172.67.147.201
56 2026-08-09 08:40 639218616243340806
16 ms 104.21.28.235
55 2026-08-09 08:40 639218616243340806
16 ms 172.67.147.201
54 2026-08-09 08:25 639218607397811973
50 ms 172.67.147.201
53 2026-08-09 08:25 639218607397811973
50 ms 104.21.28.235
52 2026-08-09 08:11 639218598812444454
47 ms 172.67.147.201
51 2026-08-09 08:11 639218598812444454
47 ms 104.21.28.235
50 2026-08-09 07:57 639218590219570048
56 ms 104.21.28.235
49 2026-08-09 07:57 639218590219570048
56 ms 172.67.147.201
48 2026-08-09 07:43 639218581690210758
8 ms 172.67.147.201
47 2026-08-09 07:43 639218581690210758
8 ms 104.21.28.235
46 2026-08-09 07:28 639218573057388822
38 ms 172.67.147.201
45 2026-08-09 07:28 639218573057388822
38 ms 104.21.28.235
44 2026-08-09 07:14 639218564408781785
41 ms 172.67.147.201
43 2026-08-09 07:14 639218564408781785
41 ms 104.21.28.235
42 2026-08-09 06:59 639218555767188482
36 ms 104.21.28.235
41 2026-08-09 06:59 639218555767188482
36 ms 172.67.147.201
40 2026-08-09 06:45 639218547142705295
2026 ms 172.67.147.201
39 2026-08-09 06:45 639218547142705295
2026 ms 104.21.28.235
38 2026-08-09 06:30 639218538090114532
82 ms 172.67.147.201
37 2026-08-09 06:30 639218538090114532
82 ms 104.21.28.235
36 2026-08-09 06:15 639218529257910584
47 ms 104.21.28.235
35 2026-08-09 06:15 639218529257910584
47 ms 172.67.147.201
34 2026-08-09 05:24 639218498473231858
68 ms 104.21.28.235
33 2026-08-09 05:24 639218498473231858
68 ms 172.67.147.201
32 2026-08-09 05:09 639218489802113995
37 ms 172.67.147.201
31 2026-08-09 05:09 639218489802113995
37 ms 104.21.28.235
30 2026-08-09 04:55 639218481006804516
53 ms 104.21.28.235
29 2026-08-09 04:55 639218481006804516
53 ms 172.67.147.201
28 2026-08-09 04:40 639218472048712427
48 ms 104.21.28.235
27 2026-08-09 04:40 639218472048712427
48 ms 172.67.147.201
26 2026-08-09 04:25 639218463224432974
20 ms 172.67.147.201
25 2026-08-09 04:25 639218463224432974
20 ms 104.21.28.235
24 2026-08-09 04:10 639218454384107526
21 ms 104.21.28.235
23 2026-08-09 04:10 639218454384107526
21 ms 172.67.147.201
22 2026-08-09 03:55 639218445331231791
31 ms 104.21.28.235
21 2026-08-09 03:55 639218445331231791
31 ms 172.67.147.201
20 2026-08-09 03:40 639218436285215733
20 ms 172.67.147.201
19 2026-08-09 03:40 639218436285215733
20 ms 104.21.28.235
18 2026-08-09 03:25 639218427289555123
2023 ms 104.21.28.235
17 2026-08-09 03:25 639218427289555123
2023 ms 172.67.147.201
16 2026-08-09 03:10 639218418227819981
117 ms 172.67.147.201
15 2026-08-09 03:10 639218418227819981
117 ms 104.21.28.235
14 2026-08-09 02:55 639218409119503123
27 ms 104.21.28.235
13 2026-08-09 02:55 639218409119503123
27 ms 172.67.147.201
12 2026-08-09 02:39 639218399771712154
36 ms 104.21.28.235
11 2026-08-09 02:39 639218399771712154
36 ms 172.67.147.201
10 2026-08-09 01:48 639218368648652303
28 ms 104.21.28.235
9 2026-08-09 01:48 639218368648652303
28 ms 172.67.147.201
8 2026-08-09 01:33 639218359569598460
44 ms 172.67.147.201
7 2026-08-09 01:33 639218359569598460
44 ms 104.21.28.235
6 2026-08-09 01:18 639218350555429902
29 ms 172.67.147.201
5 2026-08-09 01:18 639218350555429902
29 ms 104.21.28.235
4 2026-08-09 01:02 639218341311543299
13 ms 104.21.28.235
3 2026-08-09 01:02 639218341311543299
13 ms 172.67.147.201
2 2026-08-09 00:10 639218309981981465
33 ms 172.67.147.201
1 2026-08-09 00:10 639218309981981465
33 ms 104.21.28.235