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 2026-08-11. For this date, NameServerHistory found 76 DNS check records, 75 successful responses, 1 failed responses, and 189 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

76

Historical checks stored for this nameserver on selected date

Average Latency

189 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-11 23:52

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

75

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 2026-08-11 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
76 2026-08-11 23:52 639220888396333845
17 ms 199.247.155.53
75 2026-08-11 23:36 639220878864937382
19 ms 199.247.155.53
74 2026-08-11 22:44 639220847369072314
30 ms 199.247.155.53
73 2026-08-11 22:28 639220838037764925
51 ms 199.247.155.53
72 2026-08-11 22:13 639220828735120634
14 ms 199.247.155.53
71 2026-08-11 21:57 639220819447979766
29 ms 199.247.155.53
70 2026-08-11 21:42 639220810056531741
58 ms 199.247.155.53
69 2026-08-11 21:26 639220800745746593
51 ms 199.247.155.53
68 2026-08-11 21:11 639220791351626349
28 ms 199.247.155.53
67 2026-08-11 20:55 639220782021256610
30 ms 199.247.155.53
66 2026-08-11 20:39 639220772603347755
7 ms 199.247.155.53
65 2026-08-11 20:24 639220763224057047
20 ms 199.247.155.53
64 2026-08-11 20:08 639220753691117767
36 ms 199.247.155.53
63 2026-08-11 19:52 639220744107836218
12 ms 199.247.155.53
62 2026-08-11 18:59 639220711927629898
30 ms 199.247.155.53
61 2026-08-11 18:43 639220702299437921
10 ms 199.247.155.53
60 2026-08-11 18:26 639220692505468181
42 ms 199.247.155.53
59 2026-08-11 18:10 639220682669911239
16 ms 199.247.155.53
58 2026-08-11 17:54 639220672929841526
40 ms 199.247.155.53
57 2026-08-11 17:38 639220663225662315
23 ms 199.247.155.53
56 2026-08-11 17:22 639220653846255684
290 ms 199.247.155.53
55 2026-08-11 17:06 639220644420909059
14 ms 199.247.155.53
54 2026-08-11 16:51 639220635074970435
36 ms 199.247.155.53
53 2026-08-11 16:35 639220625614385966
10 ms 199.247.155.53
52 2026-08-11 16:19 639220616132212636
9 ms 199.247.155.53
51 2026-08-11 16:03 639220606533651662
24 ms 199.247.155.53
50 2026-08-11 15:10 639220574514514318
29 ms 199.247.155.53
49 2026-08-11 14:54 639220565124823874
12 ms 199.247.155.53
48 2026-08-11 14:38 639220555799311478
12 ms 199.247.155.53
47 2026-08-11 14:23 639220546481577614
2022 ms 199.247.155.53
46 2026-08-11 14:07 639220537036533154
7 ms 199.247.155.53
45 2026-08-11 13:52 639220527719177174
16 ms 199.247.155.53
44 2026-08-11 13:36 639220518173088308
9 ms 199.247.155.53
43 2026-08-11 13:20 639220508902896243
20 ms 199.247.155.53
42 2026-08-11 13:05 639220499455923005
2030 ms 199.247.155.53
41 2026-08-11 12:49 639220490082583768
23 ms 199.247.155.53
40 2026-08-11 12:33 639220480636590998
38 ms 199.247.155.53
39 2026-08-11 12:15 639220469585029273
10 ms 199.247.155.53
38 2026-08-11 11:23 639220438074188884
23 ms 199.247.155.53
37 2026-08-11 11:07 639220428789720049
9 ms 199.247.155.53
36 2026-08-11 10:52 639220419558302820
54 ms 199.247.155.53
35 2026-08-11 10:37 639220410448738795
2029 ms 199.247.155.53
34 2026-08-11 10:21 639220401034081530
11 ms 199.247.155.53
33 2026-08-11 10:06 639220391766674161
7 ms 199.247.155.53
32 2026-08-11 09:50 639220382275807148
23 ms 199.247.155.53
31 2026-08-11 09:34 639220373034162867
21 ms 199.247.155.53
30 2026-08-11 09:19 639220363994971859
15 ms 199.247.155.53
29 2026-08-11 09:04 639220354563965455
15 ms 199.247.155.53
28 2026-08-11 08:48 639220345437414880
25 ms 199.247.155.53
27 2026-08-11 08:33 639220336024248987
12 ms 199.247.155.53
26 2026-08-11 07:40 639220304233635692
18 ms 199.247.155.53
25 2026-08-11 07:25 639220294872170960
22 ms 199.247.155.53
24 2026-08-11 07:09 639220285547177980
10 ms 199.247.155.53
23 2026-08-11 06:54 639220276337941315
289 ms 199.247.155.53
22 2026-08-11 06:38 639220267175191677
22 ms 199.247.155.53
21 2026-08-11 06:23 639220257981518924
10 ms 199.247.155.53
20 2026-08-11 06:08 639220249265489070
10 ms 199.247.155.53
19 2026-08-11 05:54 639220240700249205
34 ms 199.247.155.53
18 2026-08-11 05:39 639220231975029986
41 ms 199.247.155.53
17 2026-08-11 05:25 639220223261176932
2012 ms 199.247.155.53
16 2026-08-11 05:10 639220214366718456
16 ms 199.247.155.53
15 2026-08-11 04:55 639220205306334524
8 ms 199.247.155.53
14 2026-08-11 04:02 639220174463175061
30 ms 199.247.155.53
13 2026-08-11 03:48 639220165777190438
12 ms 199.247.155.53
12 2026-08-11 03:33 639220156880374825
7 ms 199.247.155.53
11 2026-08-11 03:18 639220148139986945
-
10 2026-08-11 03:03 639220139271074299
28 ms 199.247.155.53
9 2026-08-11 02:49 639220130565901336
2018 ms 199.247.155.53
8 2026-08-11 02:34 639220121659980575
58 ms 199.247.155.53
7 2026-08-11 02:19 639220112857650894
23 ms 199.247.155.53
6 2026-08-11 02:04 639220103767686219
26 ms 199.247.155.53
5 2026-08-11 01:49 639220094545970611
28 ms 199.247.155.53
4 2026-08-11 01:34 639220085476091081
8 ms 199.247.155.53
3 2026-08-11 01:18 639220076243751161
13 ms 199.247.155.53
2 2026-08-11 00:27 639220045322845190
2025 ms 199.247.155.53
1 2026-08-11 00:12 639220036434132314
10 ms 199.247.155.53