DNS response history for n4.libsyn.com

n4.libsyn.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 2026-08-18. For this date, NameServerHistory found 150 DNS check records, 150 successful responses, 0 failed responses, and 169 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 n4.libsyn.com.
Records on Selected Date

150

Historical checks stored for this nameserver on selected date

Average Latency

169 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-18 23:47

All timestamps shown in UTC

Latest Resolved IP on Selected Date

204.16.247.189

Most recently resolved hosting IP on selected date

Successful Responses

150

Checks that returned a measurable response

Failed Responses

0

Checks with no response or no returned latency

Failure Rate

0%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for n4.libsyn.com

Showing DNS history for 2026-08-18 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
150 2026-08-18 23:47 639226935204800669
43 ms 204.16.247.189
149 2026-08-18 23:47 639226935204800669
43 ms 204.16.247.190
148 2026-08-18 23:31 639226925298919497
26 ms 204.16.247.189
147 2026-08-18 23:31 639226925298919497
26 ms 204.16.247.190
146 2026-08-18 23:14 639226915487885053
14 ms 204.16.247.189
145 2026-08-18 23:14 639226915487885053
14 ms 204.16.247.190
144 2026-08-18 22:58 639226905465760034
373 ms 204.16.247.190
143 2026-08-18 22:58 639226905465760034
373 ms 204.16.247.189
142 2026-08-18 22:41 639226895378104692
41 ms 204.16.247.189
141 2026-08-18 22:41 639226895378104692
41 ms 204.16.247.190
140 2026-08-18 21:48 639226863374232622
266 ms 204.16.247.189
139 2026-08-18 21:48 639226863374232622
266 ms 204.16.247.190
138 2026-08-18 21:32 639226853698516058
2031 ms 204.16.247.190
137 2026-08-18 21:32 639226853698516058
2031 ms 204.16.247.189
136 2026-08-18 21:15 639226843797360601
21 ms 204.16.247.190
135 2026-08-18 21:15 639226843797360601
21 ms 204.16.247.189
134 2026-08-18 20:59 639226834046588155
2048 ms 204.16.247.190
133 2026-08-18 20:59 639226834046588155
2048 ms 204.16.247.189
132 2026-08-18 20:42 639226824234488533
27 ms 204.16.247.189
131 2026-08-18 20:42 639226824234488533
27 ms 204.16.247.190
130 2026-08-18 20:26 639226814549928621
39 ms 204.16.247.189
129 2026-08-18 20:26 639226814549928621
39 ms 204.16.247.190
128 2026-08-18 20:10 639226804721432353
28 ms 204.16.247.189
127 2026-08-18 20:10 639226804721432353
28 ms 204.16.247.190
126 2026-08-18 19:54 639226795048828184
23 ms 204.16.247.189
125 2026-08-18 19:54 639226795048828184
23 ms 204.16.247.190
124 2026-08-18 19:37 639226785202482420
33 ms 204.16.247.190
123 2026-08-18 19:37 639226785202482420
33 ms 204.16.247.189
122 2026-08-18 19:21 639226775309362607
28 ms 204.16.247.189
121 2026-08-18 19:21 639226775309362607
28 ms 204.16.247.190
120 2026-08-18 19:04 639226765406586155
20 ms 204.16.247.189
119 2026-08-18 19:04 639226765406586155
20 ms 204.16.247.190
118 2026-08-18 18:48 639226755437790519
54 ms 204.16.247.189
117 2026-08-18 18:48 639226755437790519
54 ms 204.16.247.190
116 2026-08-18 17:55 639226723856194457
26 ms 204.16.247.189
115 2026-08-18 17:55 639226723856194457
26 ms 204.16.247.190
114 2026-08-18 17:39 639226714050583422
27 ms 204.16.247.190
113 2026-08-18 17:39 639226714050583422
27 ms 204.16.247.189
112 2026-08-18 17:22 639226704236499724
41 ms 204.16.247.189
111 2026-08-18 17:22 639226704236499724
41 ms 204.16.247.190
110 2026-08-18 17:06 639226694184520163
19 ms 204.16.247.189
109 2026-08-18 17:06 639226694184520163
19 ms 204.16.247.190
108 2026-08-18 16:49 639226684161203477
12 ms 204.16.247.189
107 2026-08-18 16:49 639226684161203477
12 ms 204.16.247.190
106 2026-08-18 16:32 639226674305430109
32 ms 204.16.247.190
105 2026-08-18 16:32 639226674305430109
32 ms 204.16.247.189
104 2026-08-18 16:16 639226664489607984
25 ms 204.16.247.189
103 2026-08-18 16:16 639226664489607984
25 ms 204.16.247.190
102 2026-08-18 16:00 639226654533111667
20 ms 204.16.247.189
101 2026-08-18 16:00 639226654533111667
20 ms 204.16.247.190
100 2026-08-18 15:43 639226644778594725
17 ms 204.16.247.189
99 2026-08-18 15:43 639226644778594725
17 ms 204.16.247.190
98 2026-08-18 15:27 639226634901553621
11 ms 204.16.247.189
97 2026-08-18 15:27 639226634901553621
11 ms 204.16.247.190
96 2026-08-18 15:10 639226624921864967
477 ms 204.16.247.189
95 2026-08-18 15:10 639226624921864967
477 ms 204.16.247.190
94 2026-08-18 14:54 639226614939419403
31 ms 204.16.247.189
93 2026-08-18 14:54 639226614939419403
31 ms 204.16.247.190
92 2026-08-18 14:00 639226583021074771
29 ms 204.16.247.189
91 2026-08-18 14:00 639226583021074771
29 ms 204.16.247.190
90 2026-08-18 13:44 639226573279933585
20 ms 204.16.247.189
89 2026-08-18 13:44 639226573279933585
20 ms 204.16.247.190
88 2026-08-18 13:28 639226563494036301
51 ms 204.16.247.189
87 2026-08-18 13:28 639226563494036301
51 ms 204.16.247.190
86 2026-08-18 13:11 639226553708216256
45 ms 204.16.247.189
85 2026-08-18 13:11 639226553708216256
45 ms 204.16.247.190
84 2026-08-18 12:55 639226544003734815
19 ms 204.16.247.190
83 2026-08-18 12:55 639226544003734815
19 ms 204.16.247.189
82 2026-08-18 12:39 639226534105733155
333 ms 204.16.247.190
81 2026-08-18 12:39 639226534105733155
333 ms 204.16.247.189
80 2026-08-18 12:22 639226524298118898
24 ms 204.16.247.189
79 2026-08-18 12:22 639226524298118898
24 ms 204.16.247.190
78 2026-08-18 12:06 639226514525195335
27 ms 204.16.247.189
77 2026-08-18 12:06 639226514525195335
27 ms 204.16.247.190
76 2026-08-18 11:50 639226504703635320
12 ms 204.16.247.189
75 2026-08-18 11:50 639226504703635320
12 ms 204.16.247.190
74 2026-08-18 11:33 639226494737271720
35 ms 204.16.247.190
73 2026-08-18 11:33 639226494737271720
35 ms 204.16.247.189
72 2026-08-18 11:17 639226485005027236
18 ms 204.16.247.189
71 2026-08-18 11:17 639226485005027236
18 ms 204.16.247.190
70 2026-08-18 11:00 639226475133236105
32 ms 204.16.247.190
69 2026-08-18 11:00 639226475133236105
32 ms 204.16.247.189
68 2026-08-18 10:07 639226442975077052
44 ms 204.16.247.189
67 2026-08-18 10:07 639226442975077052
44 ms 204.16.247.190
66 2026-08-18 09:51 639226433317932039
48 ms 204.16.247.190
65 2026-08-18 09:51 639226433317932039
48 ms 204.16.247.189
64 2026-08-18 09:35 639226423688431096
12 ms 204.16.247.189
63 2026-08-18 09:35 639226423688431096
12 ms 204.16.247.190
62 2026-08-18 09:19 639226413998250045
304 ms 204.16.247.189
61 2026-08-18 09:19 639226413998250045
304 ms 204.16.247.190
60 2026-08-18 09:02 639226404284554875
10 ms 204.16.247.189
59 2026-08-18 09:02 639226404284554875
10 ms 204.16.247.190
58 2026-08-18 08:46 639226394637043309
22 ms 204.16.247.189
57 2026-08-18 08:46 639226394637043309
22 ms 204.16.247.190
56 2026-08-18 08:30 639226385052447582
22 ms 204.16.247.189
55 2026-08-18 08:30 639226385052447582
22 ms 204.16.247.190
54 2026-08-18 08:14 639226375506189603
55 ms 204.16.247.189
53 2026-08-18 08:14 639226375506189603
55 ms 204.16.247.190
52 2026-08-18 07:58 639226365690646426
36 ms 204.16.247.189
51 2026-08-18 07:58 639226365690646426
36 ms 204.16.247.190
50 2026-08-18 07:42 639226355771007701
12 ms 204.16.247.189
49 2026-08-18 07:42 639226355771007701
12 ms 204.16.247.190
48 2026-08-18 07:25 639226345946269369
2053 ms 204.16.247.189
47 2026-08-18 07:25 639226345946269369
2053 ms 204.16.247.190
46 2026-08-18 07:09 639226336241601848
20 ms 204.16.247.189
45 2026-08-18 07:09 639226336241601848
20 ms 204.16.247.190
44 2026-08-18 06:17 639226304950675290
35 ms 204.16.247.189
43 2026-08-18 06:17 639226304950675290
35 ms 204.16.247.190
42 2026-08-18 06:01 639226295324754616
25 ms 204.16.247.189
41 2026-08-18 06:01 639226295324754616
25 ms 204.16.247.190
40 2026-08-18 05:45 639226285824640601
29 ms 204.16.247.189
39 2026-08-18 05:45 639226285824640601
29 ms 204.16.247.190
38 2026-08-18 05:29 639226276321223917
312 ms 204.16.247.190
37 2026-08-18 05:29 639226276321223917
312 ms 204.16.247.189
36 2026-08-18 05:13 639226266800200046
26 ms 204.16.247.189
35 2026-08-18 05:13 639226266800200046
26 ms 204.16.247.190
34 2026-08-18 04:57 639226256958066164
34 ms 204.16.247.190
33 2026-08-18 04:57 639226256958066164
34 ms 204.16.247.189
32 2026-08-18 04:41 639226247432364597
19 ms 204.16.247.189
31 2026-08-18 04:41 639226247432364597
19 ms 204.16.247.190
30 2026-08-18 04:25 639226237703388552
11 ms 204.16.247.189
29 2026-08-18 04:25 639226237703388552
11 ms 204.16.247.190
28 2026-08-18 04:09 639226227937569589
412 ms 204.16.247.190
27 2026-08-18 04:09 639226227937569589
412 ms 204.16.247.189
26 2026-08-18 03:52 639226218052465471
53 ms 204.16.247.189
25 2026-08-18 03:52 639226218052465471
53 ms 204.16.247.190
24 2026-08-18 03:36 639226208429623997
32 ms 204.16.247.189
23 2026-08-18 03:36 639226208429623997
32 ms 204.16.247.190
22 2026-08-18 03:20 639226198800675295
44 ms 204.16.247.189
21 2026-08-18 03:20 639226198800675295
44 ms 204.16.247.190
20 2026-08-18 02:28 639226167722042574
27 ms 204.16.247.189
19 2026-08-18 02:28 639226167722042574
27 ms 204.16.247.190
18 2026-08-18 02:12 639226158277924383
36 ms 204.16.247.190
17 2026-08-18 02:12 639226158277924383
36 ms 204.16.247.189
16 2026-08-18 01:57 639226148757810592
35 ms 204.16.247.190
15 2026-08-18 01:57 639226148757810592
35 ms 204.16.247.189
14 2026-08-18 01:41 639226139348611045
278 ms 204.16.247.190
13 2026-08-18 01:41 639226139348611045
278 ms 204.16.247.189
12 2026-08-18 01:25 639226129823462907
2031 ms 204.16.247.190
11 2026-08-18 01:25 639226129823462907
2031 ms 204.16.247.189
10 2026-08-18 01:09 639226120218260005
4 ms 204.16.247.189
9 2026-08-18 01:09 639226120218260005
4 ms 204.16.247.190
8 2026-08-18 00:53 639226110875503904
35 ms 204.16.247.189
7 2026-08-18 00:53 639226110875503904
35 ms 204.16.247.190
6 2026-08-18 00:38 639226101376311912
29 ms 204.16.247.189
5 2026-08-18 00:38 639226101376311912
29 ms 204.16.247.190
4 2026-08-18 00:22 639226091924943492
11 ms 204.16.247.189
3 2026-08-18 00:22 639226091924943492
11 ms 204.16.247.190
2 2026-08-18 00:06 639226082133158124
21 ms 204.16.247.190
1 2026-08-18 00:06 639226082133158124
21 ms 204.16.247.189