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 2026-08-18. For this date, NameServerHistory found 75 DNS check records, 74 successful responses, 1 failed responses, and 92 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

75

Historical checks stored for this nameserver on selected date

Average Latency

92 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-18 23:48

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

74

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 2026-08-18 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
75 2026-08-18 23:48 639226935204800669
4 ms 199.247.155.53
74 2026-08-18 23:32 639226925298919497
50 ms 199.247.155.53
73 2026-08-18 23:15 639226915487885053
12 ms 199.247.155.53
72 2026-08-18 22:58 639226905465760034
44 ms 199.247.155.53
71 2026-08-18 22:42 639226895378104692
21 ms 199.247.155.53
70 2026-08-18 21:48 639226863374232622
12 ms 199.247.155.53
69 2026-08-18 21:32 639226853698516058
11 ms 199.247.155.53
68 2026-08-18 21:16 639226843797360601
4 ms 199.247.155.53
67 2026-08-18 20:59 639226834046588155
41 ms 199.247.155.53
66 2026-08-18 20:43 639226824234488533
77 ms 199.247.155.53
65 2026-08-18 20:27 639226814549928621
43 ms 199.247.155.53
64 2026-08-18 20:10 639226804721432353
41 ms 199.247.155.53
63 2026-08-18 19:54 639226795048828184
42 ms 199.247.155.53
62 2026-08-18 19:38 639226785202482420
4 ms 199.247.155.53
61 2026-08-18 19:21 639226775309362607
29 ms 199.247.155.53
60 2026-08-18 19:05 639226765406586155
9 ms 199.247.155.53
59 2026-08-18 18:48 639226755437790519
243 ms 199.247.155.53
58 2026-08-18 17:56 639226723856194457
24 ms 199.247.155.53
57 2026-08-18 17:39 639226714050583422
11 ms 199.247.155.53
56 2026-08-18 17:23 639226704236499724
11 ms 199.247.155.53
55 2026-08-18 17:06 639226694184520163
249 ms 199.247.155.53
54 2026-08-18 16:50 639226684161203477
28 ms 199.247.155.53
53 2026-08-18 16:33 639226674305430109
26 ms 199.247.155.53
52 2026-08-18 16:17 639226664489607984
29 ms 199.247.155.53
51 2026-08-18 16:00 639226654533111667
20 ms 199.247.155.53
50 2026-08-18 15:44 639226644778594725
33 ms 199.247.155.53
49 2026-08-18 15:28 639226634901553621
18 ms 199.247.155.53
48 2026-08-18 15:11 639226624921864967
12 ms 199.247.155.53
47 2026-08-18 14:54 639226614939419403
12 ms 199.247.155.53
46 2026-08-18 14:01 639226583021074771
36 ms 199.247.155.53
45 2026-08-18 13:45 639226573279933585
36 ms 199.247.155.53
44 2026-08-18 13:28 639226563494036301
11 ms 199.247.155.53
43 2026-08-18 13:12 639226553708216256
10 ms 199.247.155.53
42 2026-08-18 12:56 639226544003734815
43 ms 199.247.155.53
41 2026-08-18 12:40 639226534105733155
21 ms 199.247.155.53
40 2026-08-18 12:23 639226524298118898
63 ms 199.247.155.53
39 2026-08-18 12:07 639226514525195335
2018 ms 199.247.155.53
38 2026-08-18 11:50 639226504703635320
32 ms 199.247.155.53
37 2026-08-18 11:34 639226494737271720
37 ms 199.247.155.53
36 2026-08-18 11:18 639226485005027236
98 ms 199.247.155.53
35 2026-08-18 11:01 639226475133236105
14 ms 199.247.155.53
34 2026-08-18 10:08 639226442975077052
42 ms 199.247.155.53
33 2026-08-18 09:51 639226433317932039
31 ms 199.247.155.53
32 2026-08-18 09:35 639226423688431096
20 ms 199.247.155.53
31 2026-08-18 09:19 639226413998250045
17 ms 199.247.155.53
30 2026-08-18 09:03 639226404284554875
23 ms 199.247.155.53
29 2026-08-18 08:47 639226394637043309
21 ms 199.247.155.53
28 2026-08-18 08:31 639226385052447582
33 ms 199.247.155.53
27 2026-08-18 08:15 639226375506189603
10 ms 199.247.155.53
26 2026-08-18 07:59 639226365690646426
10 ms 199.247.155.53
25 2026-08-18 07:42 639226355771007701
40 ms 199.247.155.53
24 2026-08-18 07:26 639226345946269369
60 ms 199.247.155.53
23 2026-08-18 07:10 639226336241601848
27 ms 199.247.155.53
22 2026-08-18 06:18 639226304950675290
25 ms 199.247.155.53
21 2026-08-18 06:01 639226295324754616
11 ms 199.247.155.53
20 2026-08-18 05:46 639226285824640601
4 ms 199.247.155.53
19 2026-08-18 05:30 639226276321223917
39 ms 199.247.155.53
18 2026-08-18 05:14 639226266800200046
4 ms 199.247.155.53
17 2026-08-18 04:58 639226256958066164
12 ms 199.247.155.53
16 2026-08-18 04:42 639226247432364597
2065 ms 199.247.155.53
15 2026-08-18 04:25 639226237703388552
65 ms 199.247.155.53
14 2026-08-18 04:09 639226227937569589
28 ms 199.247.155.53
13 2026-08-18 03:53 639226218052465471
34 ms 199.247.155.53
12 2026-08-18 03:37 639226208429623997
-
11 2026-08-18 03:21 639226198800675295
15 ms 199.247.155.53
10 2026-08-18 02:29 639226167722042574
38 ms 199.247.155.53
9 2026-08-18 02:13 639226158277924383
43 ms 199.247.155.53
8 2026-08-18 01:57 639226148757810592
79 ms 199.247.155.53
7 2026-08-18 01:42 639226139348611045
282 ms 199.247.155.53
6 2026-08-18 01:26 639226129823462907
43 ms 199.247.155.53
5 2026-08-18 01:10 639226120218260005
33 ms 199.247.155.53
4 2026-08-18 00:54 639226110875503904
48 ms 199.247.155.53
3 2026-08-18 00:38 639226101376311912
13 ms 199.247.155.53
2 2026-08-18 00:22 639226091924943492
13 ms 199.247.155.53
1 2026-08-18 00:06 639226082133158124
4 ms 199.247.155.53