DNS response history for ns4.libsyn.com

ns4.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 56 DNS check records, 56 successful responses, 0 failed responses, and 145 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.libsyn.com.
Records on Selected Date

56

Historical checks stored for this nameserver on selected date

Average Latency

145 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-20 23:09

All timestamps shown in UTC

Latest Resolved IP on Selected Date

199.247.155.53

Most recently resolved hosting IP on selected date

Successful Responses

56

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 ns4.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
56 2026-08-20 23:09 639228639850033448
10 ms 199.247.155.53
55 2026-08-20 22:53 639228630204271870
25 ms 199.247.155.53
54 2026-08-20 22:37 639228620295091135
23 ms 199.247.155.53
53 2026-08-20 22:20 639228610298336915
11 ms 199.247.155.53
52 2026-08-20 21:27 639228578917047616
33 ms 199.247.155.53
51 2026-08-20 21:11 639228569046445709
42 ms 199.247.155.53
50 2026-08-20 20:54 639228558946830986
35 ms 199.247.155.53
49 2026-08-20 20:38 639228548977359217
28 ms 199.247.155.53
48 2026-08-20 19:45 639228517494157668
13 ms 199.247.155.53
47 2026-08-20 19:28 639228507374116892
10 ms 199.247.155.53
46 2026-08-20 19:11 639228497315154893
21 ms 199.247.155.53
45 2026-08-20 18:55 639228487287648341
19 ms 199.247.155.53
44 2026-08-20 18:02 639228455828123788
47 ms 199.247.155.53
43 2026-08-20 17:46 639228445900082244
5 ms 199.247.155.53
42 2026-08-20 17:29 639228435866352323
23 ms 199.247.155.53
41 2026-08-20 17:12 639228425802273151
70 ms 199.247.155.53
40 2026-08-20 16:19 639228393616324230
38 ms 199.247.155.53
39 2026-08-20 16:02 639228383590408693
19 ms 199.247.155.53
38 2026-08-20 15:45 639228373471467474
25 ms 199.247.155.53
37 2026-08-20 15:28 639228363426647311
10 ms 199.247.155.53
36 2026-08-20 14:35 639228331681701910
20 ms 199.247.155.53
35 2026-08-20 14:19 639228321714746824
14 ms 199.247.155.53
34 2026-08-20 14:02 639228311652090262
14 ms 199.247.155.53
33 2026-08-20 13:45 639228301670088587
13 ms 199.247.155.53
32 2026-08-20 12:53 639228269987976710
28 ms 199.247.155.53
31 2026-08-20 12:36 639228260009452308
55 ms 199.247.155.53
30 2026-08-20 12:19 639228249661740894
54 ms 199.247.155.53
29 2026-08-20 12:02 639228239552680346
37 ms 199.247.155.53
28 2026-08-20 11:09 639228207667580819
254 ms 199.247.155.53
27 2026-08-20 10:52 639228197494011560
30 ms 199.247.155.53
26 2026-08-20 10:35 639228187497039939
63 ms 199.247.155.53
25 2026-08-20 10:18 639228177408432646
21 ms 199.247.155.53
24 2026-08-20 09:27 639228146356166262
12 ms 199.247.155.53
23 2026-08-20 09:10 639228136541505712
21 ms 199.247.155.53
22 2026-08-20 08:54 639228126519136598
282 ms 199.247.155.53
21 2026-08-20 08:37 639228116537148885
12 ms 199.247.155.53
20 2026-08-20 07:45 639228085320764351
48 ms 199.247.155.53
19 2026-08-20 07:29 639228075444604839
24 ms 199.247.155.53
18 2026-08-20 07:12 639228065615498985
10 ms 199.247.155.53
17 2026-08-20 06:55 639228055675321422
10 ms 199.247.155.53
16 2026-08-20 06:03 639228024230839396
20 ms 199.247.155.53
15 2026-08-20 05:47 639228014720406505
41 ms 199.247.155.53
14 2026-08-20 05:31 639228004930827030
2024 ms 199.247.155.53
13 2026-08-20 05:14 639227995103340154
2034 ms 199.247.155.53
12 2026-08-20 04:23 639227963811374894
287 ms 199.247.155.53
11 2026-08-20 04:06 639227954132571365
50 ms 199.247.155.53
10 2026-08-20 03:50 639227944541208342
14 ms 199.247.155.53
9 2026-08-20 03:34 639227934657213484
4 ms 199.247.155.53
8 2026-08-20 02:42 639227903628145469
25 ms 199.247.155.53
7 2026-08-20 02:26 639227893995483475
4 ms 199.247.155.53
6 2026-08-20 02:10 639227884280244209
4 ms 199.247.155.53
5 2026-08-20 01:53 639227874371147132
10 ms 199.247.155.53
4 2026-08-20 01:01 639227843224256432
2022 ms 199.247.155.53
3 2026-08-20 00:45 639227833720403506
31 ms 199.247.155.53
2 2026-08-20 00:30 639227824170728278
40 ms 199.247.155.53
1 2026-08-20 00:14 639227814865867570
4 ms 199.247.155.53