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 2026-08-23. For this date, NameServerHistory found 75 DNS check records, 74 successful responses, 1 failed responses, and 107 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

107 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:47

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 2026-08-23 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 2026-08-23 23:47 639231254406598736
11 ms 199.247.155.53
74 2026-08-23 23:30 639231244697865594
20 ms 199.247.155.53
73 2026-08-23 23:14 639231234893504693
41 ms 199.247.155.53
72 2026-08-23 22:58 639231225024549139
26 ms 199.247.155.53
71 2026-08-23 22:41 639231214931957622
8 ms 199.247.155.53
70 2026-08-23 22:24 639231204962010549
42 ms 199.247.155.53
69 2026-08-23 22:08 639231195170138463
29 ms 199.247.155.53
68 2026-08-23 21:51 639231185235020577
27 ms 199.247.155.53
67 2026-08-23 21:35 639231175558690075
10 ms 199.247.155.53
66 2026-08-23 21:19 639231165610444012
2280 ms 199.247.155.53
65 2026-08-23 20:26 639231133806425363
10 ms 199.247.155.53
64 2026-08-23 20:10 639231124203758023
30 ms 199.247.155.53
63 2026-08-23 19:53 639231114428262706
301 ms 199.247.155.53
62 2026-08-23 19:37 639231104662480065
28 ms 199.247.155.53
61 2026-08-23 19:21 639231094840372018
13 ms 199.247.155.53
60 2026-08-23 19:04 639231085024583224
11 ms 199.247.155.53
59 2026-08-23 18:48 639231075257417427
52 ms 199.247.155.53
58 2026-08-23 18:32 639231065516009503
13 ms 199.247.155.53
57 2026-08-23 18:16 639231055805348837
11 ms 199.247.155.53
56 2026-08-23 17:59 639231045980373765
8 ms 199.247.155.53
55 2026-08-23 17:43 639231035984577527
36 ms 199.247.155.53
54 2026-08-23 17:26 639231025928115303
53 ms 199.247.155.53
53 2026-08-23 16:33 639230994250157583
7 ms 199.247.155.53
52 2026-08-23 16:17 639230984476411369
9 ms 199.247.155.53
51 2026-08-23 16:01 639230974838373450
13 ms 199.247.155.53
50 2026-08-23 15:45 639230965244277645
17 ms 199.247.155.53
49 2026-08-23 15:28 639230955522101820
13 ms 199.247.155.53
48 2026-08-23 15:12 639230945754521603
72 ms 199.247.155.53
47 2026-08-23 14:56 639230935852040504
10 ms 199.247.155.53
46 2026-08-23 14:40 639230926222061048
4 ms 199.247.155.53
45 2026-08-23 14:23 639230916449726907
5 ms 199.247.155.53
44 2026-08-23 14:07 639230906595053086
20 ms 199.247.155.53
43 2026-08-23 13:50 639230896680429441
28 ms 199.247.155.53
42 2026-08-23 13:34 639230886630210965
3 ms 199.247.155.53
41 2026-08-23 12:42 639230855430405719
53 ms 199.247.155.53
40 2026-08-23 12:26 639230845707499136
2024 ms 199.247.155.53
39 2026-08-23 12:10 639230836186805419
19 ms 199.247.155.53
38 2026-08-23 11:54 639230826493828316
12 ms 199.247.155.53
37 2026-08-23 11:37 639230816817882996
17 ms 199.247.155.53
36 2026-08-23 11:21 639230806933854189
4 ms 199.247.155.53
35 2026-08-23 11:05 639230797120243854
9 ms 199.247.155.53
34 2026-08-23 10:48 639230787310272840
11 ms 199.247.155.53
33 2026-08-23 10:32 639230777600173142
6 ms 199.247.155.53
32 2026-08-23 10:15 639230767665024593
-
31 2026-08-23 09:59 639230757720962293
12 ms 199.247.155.53
30 2026-08-23 09:42 639230747722189784
4 ms 199.247.155.53
29 2026-08-23 08:50 639230716313923480
16 ms 199.247.155.53
28 2026-08-23 08:34 639230706813835990
3 ms 199.247.155.53
27 2026-08-23 08:17 639230696871062203
7 ms 199.247.155.53
26 2026-08-23 08:01 639230687142781616
13 ms 199.247.155.53
25 2026-08-23 07:45 639230677432142227
12 ms 199.247.155.53
24 2026-08-23 07:29 639230667686258061
31 ms 199.247.155.53
23 2026-08-23 07:13 639230658039243685
5 ms 199.247.155.53
22 2026-08-23 06:57 639230648468473803
10 ms 199.247.155.53
21 2026-08-23 06:41 639230638829658294
26 ms 199.247.155.53
20 2026-08-23 06:25 639230629247017617
5 ms 199.247.155.53
19 2026-08-23 06:09 639230619625318239
43 ms 199.247.155.53
18 2026-08-23 05:52 639230609697630264
12 ms 199.247.155.53
17 2026-08-23 05:00 639230578570131864
9 ms 199.247.155.53
16 2026-08-23 04:44 639230568958963168
22 ms 199.247.155.53
15 2026-08-23 04:28 639230559287611211
12 ms 199.247.155.53
14 2026-08-23 04:12 639230549524312030
12 ms 199.247.155.53
13 2026-08-23 03:56 639230539739801669
18 ms 199.247.155.53
12 2026-08-23 03:40 639230530084069375
16 ms 199.247.155.53
11 2026-08-23 03:23 639230520362691441
11 ms 199.247.155.53
10 2026-08-23 03:07 639230510677194518
3 ms 199.247.155.53
9 2026-08-23 02:51 639230501156002646
2028 ms 199.247.155.53
8 2026-08-23 02:35 639230491502198541
9 ms 199.247.155.53
7 2026-08-23 02:19 639230481860318494
26 ms 199.247.155.53
6 2026-08-23 02:03 639230471893008575
12 ms 199.247.155.53
5 2026-08-23 01:09 639230440030877421
46 ms 199.247.155.53
4 2026-08-23 00:53 639230430479725508
7 ms 199.247.155.53
3 2026-08-23 00:37 639230420875160219
12 ms 199.247.155.53
2 2026-08-23 00:21 639230411240692575
14 ms 199.247.155.53
1 2026-08-23 00:05 639230401550806607
10 ms 199.247.155.53