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 2026-08-13. For this date, NameServerHistory found 72 DNS check records, 71 successful responses, 1 failed responses, and 199 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

72

Historical checks stored for this nameserver on selected date

Average Latency

199 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-13 23:57

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

71

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.libsyn.com

Showing DNS history for 2026-08-13 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
72 2026-08-13 23:57 639222618462620588
22 ms 199.247.155.53
71 2026-08-13 23:40 639222608688333012
28 ms 199.247.155.53
70 2026-08-13 23:24 639222598741756356
13 ms 199.247.155.53
69 2026-08-13 23:07 639222588615244093
24 ms 199.247.155.53
68 2026-08-13 22:13 639222556495289724
9 ms 199.247.155.53
67 2026-08-13 21:56 639222546477917698
11 ms 199.247.155.53
66 2026-08-13 21:40 639222536257653790
54 ms 199.247.155.53
65 2026-08-13 21:22 639222525833084485
10 ms 199.247.155.53
64 2026-08-13 21:05 639222515446085004
2029 ms 199.247.155.53
63 2026-08-13 20:48 639222505166766781
34 ms 199.247.155.53
62 2026-08-13 20:31 639222494930541001
12 ms 199.247.155.53
61 2026-08-13 20:13 639222484469216890
24 ms 199.247.155.53
60 2026-08-13 19:56 639222474270039940
31 ms 199.247.155.53
59 2026-08-13 19:39 639222464005587385
33 ms 199.247.155.53
58 2026-08-13 19:22 639222453485975041
2016 ms 199.247.155.53
57 2026-08-13 19:04 639222442984828770
40 ms 199.247.155.53
56 2026-08-13 18:10 639222410191353397
12 ms 199.247.155.53
55 2026-08-13 17:53 639222399952628376
22 ms 199.247.155.53
54 2026-08-13 17:36 639222389608608647
8 ms 199.247.155.53
53 2026-08-13 17:19 639222379604012481
11 ms 199.247.155.53
52 2026-08-13 17:02 639222369372672858
20 ms 199.247.155.53
51 2026-08-13 16:45 639222359096909298
11 ms 199.247.155.53
50 2026-08-13 16:28 639222348814301655
21 ms 199.247.155.53
49 2026-08-13 16:11 639222338608331104
13 ms 199.247.155.53
48 2026-08-13 15:54 639222328204609760
11 ms 199.247.155.53
47 2026-08-13 15:36 639222317859759909
19 ms 199.247.155.53
46 2026-08-13 15:19 639222307560137918
11 ms 199.247.155.53
45 2026-08-13 15:02 639222297274357149
26 ms 199.247.155.53
44 2026-08-13 14:08 639222265004477827
12 ms 199.247.155.53
43 2026-08-13 13:52 639222255176583683
13 ms 199.247.155.53
42 2026-08-13 13:36 639222245340146131
2024 ms 199.247.155.53
41 2026-08-13 13:19 639222235662219956
11 ms 199.247.155.53
40 2026-08-13 13:03 639222225817223284
30 ms 199.247.155.53
39 2026-08-13 12:47 639222216341869648
12 ms 199.247.155.53
38 2026-08-13 12:31 639222206848442189
12 ms 199.247.155.53
37 2026-08-13 12:16 639222197538963225
13 ms 199.247.155.53
36 2026-08-13 12:00 639222188113685569
35 ms 199.247.155.53
35 2026-08-13 11:44 639222178880138458
29 ms 199.247.155.53
34 2026-08-13 11:29 639222169343013317
103 ms 199.247.155.53
33 2026-08-13 11:13 639222159910600596
11 ms 199.247.155.53
32 2026-08-13 10:20 639222128676274866
32 ms 199.247.155.53
31 2026-08-13 10:04 639222119169781983
21 ms 199.247.155.53
30 2026-08-13 09:49 639222109996148889
350 ms 199.247.155.53
29 2026-08-13 09:34 639222100791323799
36 ms 199.247.155.53
28 2026-08-13 09:19 639222091647893142
61 ms 199.247.155.53
27 2026-08-13 09:03 639222082524717649
10 ms 199.247.155.53
26 2026-08-13 08:48 639222073378630456
10 ms 199.247.155.53
25 2026-08-13 08:33 639222064537306701
10 ms 199.247.155.53
24 2026-08-13 08:18 639222055409471864
11 ms 199.247.155.53
23 2026-08-13 08:03 639222046117152411
-
22 2026-08-13 07:47 639222036915107067
11 ms 199.247.155.53
21 2026-08-13 07:32 639222027654889141
12 ms 199.247.155.53
20 2026-08-13 06:41 639221996824612035
3 ms 199.247.155.53
19 2026-08-13 06:26 639221987863418113
42 ms 199.247.155.53
18 2026-08-13 06:11 639221979006823112
9 ms 199.247.155.53
17 2026-08-13 05:56 639221970068466615
2030 ms 199.247.155.53
16 2026-08-13 05:41 639221961001585139
25 ms 199.247.155.53
15 2026-08-13 05:26 639221952104046397
23 ms 199.247.155.53
14 2026-08-13 05:11 639221943247694484
11 ms 199.247.155.53
13 2026-08-13 04:57 639221934603388241
19 ms 199.247.155.53
12 2026-08-13 04:42 639221925729273358
19 ms 199.247.155.53
11 2026-08-13 04:27 639221916777813401
60 ms 199.247.155.53
10 2026-08-13 04:12 639221907816913910
2036 ms 199.247.155.53
9 2026-08-13 03:57 639221898639694322
13 ms 199.247.155.53
8 2026-08-13 03:06 639221868257567489
10 ms 199.247.155.53
7 2026-08-13 02:51 639221859270235608
14 ms 199.247.155.53
6 2026-08-13 02:36 639221850184464515
23 ms 199.247.155.53
5 2026-08-13 02:21 639221841141973425
36 ms 199.247.155.53
4 2026-08-13 01:30 639221810548753083
239 ms 199.247.155.53
3 2026-08-13 01:15 639221801656796262
9 ms 199.247.155.53
2 2026-08-13 01:00 639221792658715334
19 ms 199.247.155.53
1 2026-08-13 00:45 639221783571379176
2022 ms 199.247.155.53