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 2026-08-20. For this date, NameServerHistory found 112 DNS check records, 112 successful responses, 0 failed responses, and 227 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

112

Historical checks stored for this nameserver on selected date

Average Latency

227 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-20 23:08

All timestamps shown in UTC

Latest Resolved IP on Selected Date

204.16.247.190

Most recently resolved hosting IP on selected date

Successful Responses

112

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 2026-08-20 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
112 2026-08-20 23:08 639228639850033448
2025 ms 204.16.247.190
111 2026-08-20 23:08 639228639850033448
2025 ms 204.16.247.189
110 2026-08-20 22:52 639228630204271870
29 ms 204.16.247.189
109 2026-08-20 22:52 639228630204271870
29 ms 204.16.247.190
108 2026-08-20 22:36 639228620295091135
24 ms 204.16.247.189
107 2026-08-20 22:36 639228620295091135
24 ms 204.16.247.190
106 2026-08-20 22:19 639228610298336915
82 ms 204.16.247.189
105 2026-08-20 22:19 639228610298336915
82 ms 204.16.247.190
104 2026-08-20 21:27 639228578917047616
31 ms 204.16.247.189
103 2026-08-20 21:27 639228578917047616
31 ms 204.16.247.190
102 2026-08-20 21:10 639228569046445709
27 ms 204.16.247.189
101 2026-08-20 21:10 639228569046445709
27 ms 204.16.247.190
100 2026-08-20 20:54 639228558946830986
17 ms 204.16.247.190
99 2026-08-20 20:54 639228558946830986
17 ms 204.16.247.189
98 2026-08-20 20:37 639228548977359217
64 ms 204.16.247.189
97 2026-08-20 20:37 639228548977359217
64 ms 204.16.247.190
96 2026-08-20 19:45 639228517494157668
39 ms 204.16.247.190
95 2026-08-20 19:45 639228517494157668
39 ms 204.16.247.189
94 2026-08-20 19:28 639228507374116892
2022 ms 204.16.247.190
93 2026-08-20 19:28 639228507374116892
2022 ms 204.16.247.189
92 2026-08-20 19:11 639228497315154893
28 ms 204.16.247.189
91 2026-08-20 19:11 639228497315154893
28 ms 204.16.247.190
90 2026-08-20 18:54 639228487287648341
47 ms 204.16.247.189
89 2026-08-20 18:54 639228487287648341
47 ms 204.16.247.190
88 2026-08-20 18:02 639228455828123788
23 ms 204.16.247.189
87 2026-08-20 18:02 639228455828123788
23 ms 204.16.247.190
86 2026-08-20 17:45 639228445900082244
47 ms 204.16.247.189
85 2026-08-20 17:45 639228445900082244
47 ms 204.16.247.190
84 2026-08-20 17:28 639228435866352323
31 ms 204.16.247.189
83 2026-08-20 17:28 639228435866352323
31 ms 204.16.247.190
82 2026-08-20 17:12 639228425802273151
2037 ms 204.16.247.190
81 2026-08-20 17:12 639228425802273151
2037 ms 204.16.247.189
80 2026-08-20 16:18 639228393616324230
33 ms 204.16.247.189
79 2026-08-20 16:18 639228393616324230
33 ms 204.16.247.190
78 2026-08-20 16:01 639228383590408693
12 ms 204.16.247.189
77 2026-08-20 16:01 639228383590408693
12 ms 204.16.247.190
76 2026-08-20 15:44 639228373471467474
42 ms 204.16.247.189
75 2026-08-20 15:44 639228373471467474
42 ms 204.16.247.190
74 2026-08-20 15:28 639228363426647311
20 ms 204.16.247.189
73 2026-08-20 15:28 639228363426647311
20 ms 204.16.247.190
72 2026-08-20 14:35 639228331681701910
46 ms 204.16.247.189
71 2026-08-20 14:35 639228331681701910
46 ms 204.16.247.190
70 2026-08-20 14:18 639228321714746824
45 ms 204.16.247.190
69 2026-08-20 14:18 639228321714746824
45 ms 204.16.247.189
68 2026-08-20 14:01 639228311652090262
22 ms 204.16.247.189
67 2026-08-20 14:01 639228311652090262
22 ms 204.16.247.190
66 2026-08-20 13:45 639228301670088587
22 ms 204.16.247.189
65 2026-08-20 13:45 639228301670088587
22 ms 204.16.247.190
64 2026-08-20 12:52 639228269987976710
33 ms 204.16.247.189
63 2026-08-20 12:52 639228269987976710
33 ms 204.16.247.190
62 2026-08-20 12:35 639228260009452308
21 ms 204.16.247.189
61 2026-08-20 12:35 639228260009452308
21 ms 204.16.247.190
60 2026-08-20 12:18 639228249661740894
23 ms 204.16.247.189
59 2026-08-20 12:18 639228249661740894
23 ms 204.16.247.190
58 2026-08-20 12:01 639228239552680346
21 ms 204.16.247.189
57 2026-08-20 12:01 639228239552680346
21 ms 204.16.247.190
56 2026-08-20 11:08 639228207667580819
17 ms 204.16.247.190
55 2026-08-20 11:08 639228207667580819
17 ms 204.16.247.189
54 2026-08-20 10:51 639228197494011560
20 ms 204.16.247.189
53 2026-08-20 10:51 639228197494011560
20 ms 204.16.247.190
52 2026-08-20 10:35 639228187497039939
26 ms 204.16.247.189
51 2026-08-20 10:35 639228187497039939
26 ms 204.16.247.190
50 2026-08-20 10:18 639228177408432646
22 ms 204.16.247.190
49 2026-08-20 10:18 639228177408432646
22 ms 204.16.247.189
48 2026-08-20 09:26 639228146356166262
19 ms 204.16.247.190
47 2026-08-20 09:26 639228146356166262
19 ms 204.16.247.189
46 2026-08-20 09:10 639228136541505712
54 ms 204.16.247.189
45 2026-08-20 09:10 639228136541505712
54 ms 204.16.247.190
44 2026-08-20 08:53 639228126519136598
46 ms 204.16.247.190
43 2026-08-20 08:53 639228126519136598
46 ms 204.16.247.189
42 2026-08-20 08:36 639228116537148885
53 ms 204.16.247.189
41 2026-08-20 08:36 639228116537148885
53 ms 204.16.247.190
40 2026-08-20 07:44 639228085320764351
39 ms 204.16.247.190
39 2026-08-20 07:44 639228085320764351
39 ms 204.16.247.189
38 2026-08-20 07:28 639228075444604839
276 ms 204.16.247.190
37 2026-08-20 07:28 639228075444604839
276 ms 204.16.247.189
36 2026-08-20 07:11 639228065615498985
92 ms 204.16.247.190
35 2026-08-20 07:11 639228065615498985
92 ms 204.16.247.189
34 2026-08-20 06:55 639228055675321422
83 ms 204.16.247.189
33 2026-08-20 06:55 639228055675321422
83 ms 204.16.247.190
32 2026-08-20 06:02 639228024230839396
28 ms 204.16.247.189
31 2026-08-20 06:02 639228024230839396
28 ms 204.16.247.190
30 2026-08-20 05:47 639228014720406505
363 ms 204.16.247.189
29 2026-08-20 05:47 639228014720406505
363 ms 204.16.247.190
28 2026-08-20 05:30 639228004930827030
30 ms 204.16.247.189
27 2026-08-20 05:30 639228004930827030
30 ms 204.16.247.190
26 2026-08-20 05:14 639227995103340154
25 ms 204.16.247.189
25 2026-08-20 05:14 639227995103340154
25 ms 204.16.247.190
24 2026-08-20 04:22 639227963811374894
20 ms 204.16.247.189
23 2026-08-20 04:22 639227963811374894
20 ms 204.16.247.190
22 2026-08-20 04:06 639227954132571365
23 ms 204.16.247.189
21 2026-08-20 04:06 639227954132571365
23 ms 204.16.247.190
20 2026-08-20 03:50 639227944541208342
15 ms 204.16.247.190
19 2026-08-20 03:50 639227944541208342
15 ms 204.16.247.189
18 2026-08-20 03:33 639227934657213484
70 ms 204.16.247.190
17 2026-08-20 03:33 639227934657213484
70 ms 204.16.247.189
16 2026-08-20 02:41 639227903628145469
250 ms 204.16.247.189
15 2026-08-20 02:41 639227903628145469
250 ms 204.16.247.190
14 2026-08-20 02:25 639227893995483475
2030 ms 204.16.247.190
13 2026-08-20 02:25 639227893995483475
2030 ms 204.16.247.189
12 2026-08-20 02:09 639227884280244209
27 ms 204.16.247.190
11 2026-08-20 02:09 639227884280244209
27 ms 204.16.247.189
10 2026-08-20 01:53 639227874371147132
2021 ms 204.16.247.189
9 2026-08-20 01:53 639227874371147132
2021 ms 204.16.247.190
8 2026-08-20 01:01 639227843224256432
80 ms 204.16.247.190
7 2026-08-20 01:01 639227843224256432
80 ms 204.16.247.189
6 2026-08-20 00:45 639227833720403506
41 ms 204.16.247.189
5 2026-08-20 00:45 639227833720403506
41 ms 204.16.247.190
4 2026-08-20 00:29 639227824170728278
31 ms 204.16.247.189
3 2026-08-20 00:29 639227824170728278
31 ms 204.16.247.190
2 2026-08-20 00:13 639227814865867570
10 ms 204.16.247.190
1 2026-08-20 00:13 639227814865867570
10 ms 204.16.247.189