DNS response history for n4.libsyn.com

n4.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 2026-08-16. For this date, NameServerHistory found 118 DNS check records, 116 successful responses, 2 failed responses, and 400 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 n4.libsyn.com.
Records on Selected Date

118

Historical checks stored for this nameserver on selected date

Average Latency

400 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-16 23:48

All timestamps shown in UTC

Latest Resolved IP on Selected Date

204.16.247.189

Most recently resolved hosting IP on selected date

Successful Responses

116

Checks that returned a measurable response

Failed Responses

2

Checks with no response or no returned latency

Failure Rate

2%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for n4.libsyn.com

Showing DNS history for 2026-08-16 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
118 2026-08-16 23:48 639225207490611656
25 ms 204.16.247.189
117 2026-08-16 23:48 639225207490611656
25 ms 204.16.247.190
116 2026-08-16 23:32 639225198045815385
2040 ms 204.16.247.190
115 2026-08-16 23:32 639225198045815385
2040 ms 204.16.247.189
114 2026-08-16 22:40 639225166825544741
20 ms 204.16.247.189
113 2026-08-16 22:40 639225166825544741
20 ms 204.16.247.190
112 2026-08-16 22:24 639225157549461269
32 ms 204.16.247.189
111 2026-08-16 22:24 639225157549461269
32 ms 204.16.247.190
110 2026-08-16 22:09 639225147914556308
2044 ms 204.16.247.189
109 2026-08-16 22:09 639225147914556308
2044 ms 204.16.247.190
108 2026-08-16 21:53 639225138472322960
26 ms 204.16.247.189
107 2026-08-16 21:53 639225138472322960
26 ms 204.16.247.190
106 2026-08-16 21:01 639225107211236826
38 ms 204.16.247.189
105 2026-08-16 21:01 639225107211236826
38 ms 204.16.247.190
104 2026-08-16 20:45 639225097684457510
48 ms 204.16.247.189
103 2026-08-16 20:45 639225097684457510
48 ms 204.16.247.190
102 2026-08-16 20:29 639225087942913396
36 ms 204.16.247.189
101 2026-08-16 20:29 639225087942913396
36 ms 204.16.247.190
100 2026-08-16 20:12 639225078238684183
2053 ms 204.16.247.189
99 2026-08-16 20:12 639225078238684183
2053 ms 204.16.247.190
98 2026-08-16 19:20 639225046944151094
36 ms 204.16.247.189
97 2026-08-16 19:20 639225046944151094
36 ms 204.16.247.190
96 2026-08-16 19:04 639225037234857231
31 ms 204.16.247.189
95 2026-08-16 19:04 639225037234857231
31 ms 204.16.247.190
94 2026-08-16 18:48 639225027423459920
21 ms 204.16.247.189
93 2026-08-16 18:48 639225027423459920
21 ms 204.16.247.190
92 2026-08-16 18:32 639225017891613027
47 ms 204.16.247.189
91 2026-08-16 18:32 639225017891613027
47 ms 204.16.247.190
90 2026-08-16 17:38 639224986298183527
-
89 2026-08-16 17:22 639224976567107023
96 ms 204.16.247.189
88 2026-08-16 17:22 639224976567107023
96 ms 204.16.247.190
87 2026-08-16 17:06 639224966709723386
2436 ms 204.16.247.189
86 2026-08-16 17:06 639224966709723386
2436 ms 204.16.247.190
85 2026-08-16 16:49 639224957175756942
13 ms 204.16.247.189
84 2026-08-16 16:49 639224957175756942
13 ms 204.16.247.190
83 2026-08-16 15:57 639224925782379869
2032 ms 204.16.247.189
82 2026-08-16 15:57 639224925782379869
2032 ms 204.16.247.190
81 2026-08-16 15:42 639224916429532459
41 ms 204.16.247.189
80 2026-08-16 15:42 639224916429532459
41 ms 204.16.247.190
79 2026-08-16 15:26 639224906878325623
10 ms 204.16.247.189
78 2026-08-16 15:26 639224906878325623
10 ms 204.16.247.190
77 2026-08-16 15:10 639224897258974385
30 ms 204.16.247.189
76 2026-08-16 15:10 639224897258974385
30 ms 204.16.247.190
75 2026-08-16 14:18 639224866169532828
2019 ms 204.16.247.189
74 2026-08-16 14:18 639224866169532828
2019 ms 204.16.247.190
73 2026-08-16 14:02 639224856561831915
50 ms 204.16.247.189
72 2026-08-16 14:02 639224856561831915
50 ms 204.16.247.190
71 2026-08-16 13:46 639224846830897794
32 ms 204.16.247.189
70 2026-08-16 13:46 639224846830897794
32 ms 204.16.247.190
69 2026-08-16 13:29 639224836975863283
2300 ms 204.16.247.190
68 2026-08-16 13:29 639224836975863283
2300 ms 204.16.247.189
67 2026-08-16 12:36 639224804985340946
10 ms 204.16.247.189
66 2026-08-16 12:36 639224804985340946
10 ms 204.16.247.190
65 2026-08-16 12:20 639224795567782333
11 ms 204.16.247.189
64 2026-08-16 12:20 639224795567782333
11 ms 204.16.247.190
63 2026-08-16 12:04 639224785914225250
39 ms 204.16.247.189
62 2026-08-16 12:04 639224785914225250
39 ms 204.16.247.190
61 2026-08-16 11:48 639224776383854998
30 ms 204.16.247.189
60 2026-08-16 11:48 639224776383854998
30 ms 204.16.247.190
59 2026-08-16 10:55 639224744252113993
42 ms 204.16.247.189
58 2026-08-16 10:55 639224744252113993
42 ms 204.16.247.190
57 2026-08-16 10:38 639224734238905542
33 ms 204.16.247.190
56 2026-08-16 10:38 639224734238905542
33 ms 204.16.247.189
55 2026-08-16 10:22 639224724335031221
40 ms 204.16.247.189
54 2026-08-16 10:22 639224724335031221
40 ms 204.16.247.190
53 2026-08-16 10:05 639224714475244430
37 ms 204.16.247.189
52 2026-08-16 10:05 639224714475244430
37 ms 204.16.247.190
51 2026-08-16 09:10 639224681063874153
40 ms 204.16.247.189
50 2026-08-16 09:10 639224681063874153
40 ms 204.16.247.190
49 2026-08-16 08:53 639224671038956665
35 ms 204.16.247.189
48 2026-08-16 08:53 639224671038956665
35 ms 204.16.247.190
47 2026-08-16 08:36 639224661079806122
49 ms 204.16.247.189
46 2026-08-16 08:36 639224661079806122
49 ms 204.16.247.190
45 2026-08-16 08:20 639224651169993038
2021 ms 204.16.247.190
44 2026-08-16 08:20 639224651169993038
2021 ms 204.16.247.189
43 2026-08-16 07:26 639224618882283050
27 ms 204.16.247.189
42 2026-08-16 07:26 639224618882283050
27 ms 204.16.247.190
41 2026-08-16 07:10 639224609519965372
38 ms 204.16.247.189
40 2026-08-16 07:10 639224609519965372
38 ms 204.16.247.190
39 2026-08-16 06:54 639224599969658888
10 ms 204.16.247.189
38 2026-08-16 06:54 639224599969658888
10 ms 204.16.247.190
37 2026-08-16 06:38 639224590360343307
28 ms 204.16.247.189
36 2026-08-16 06:38 639224590360343307
28 ms 204.16.247.190
35 2026-08-16 05:46 639224558901831832
25 ms 204.16.247.189
34 2026-08-16 05:46 639224558901831832
25 ms 204.16.247.190
33 2026-08-16 05:31 639224549678210576
10 ms 204.16.247.189
32 2026-08-16 05:31 639224549678210576
10 ms 204.16.247.190
31 2026-08-16 05:15 639224540433420642
53 ms 204.16.247.189
30 2026-08-16 05:15 639224540433420642
53 ms 204.16.247.190
29 2026-08-16 05:00 639224531046032443
20 ms 204.16.247.189
28 2026-08-16 05:00 639224531046032443
20 ms 204.16.247.190
27 2026-08-16 04:07 639224499638024410
-
26 2026-08-16 03:52 639224490358783451
30 ms 204.16.247.189
25 2026-08-16 03:52 639224490358783451
30 ms 204.16.247.190
24 2026-08-16 03:36 639224481111410545
38 ms 204.16.247.189
23 2026-08-16 03:36 639224481111410545
38 ms 204.16.247.190
22 2026-08-16 03:21 639224471809153772
20 ms 204.16.247.189
21 2026-08-16 03:21 639224471809153772
20 ms 204.16.247.190
20 2026-08-16 02:28 639224440124457324
67 ms 204.16.247.189
19 2026-08-16 02:28 639224440124457324
67 ms 204.16.247.190
18 2026-08-16 02:13 639224430921105721
240 ms 204.16.247.189
17 2026-08-16 02:13 639224430921105721
240 ms 204.16.247.190
16 2026-08-16 01:57 639224421455433103
164 ms 204.16.247.190
15 2026-08-16 01:57 639224421455433103
164 ms 204.16.247.189
14 2026-08-16 01:41 639224412089740331
27 ms 204.16.247.189
13 2026-08-16 01:41 639224412089740331
27 ms 204.16.247.190
12 2026-08-16 01:26 639224403168392868
45 ms 204.16.247.189
11 2026-08-16 01:26 639224403168392868
45 ms 204.16.247.190
10 2026-08-16 01:11 639224393856251387
32 ms 204.16.247.189
9 2026-08-16 01:11 639224393856251387
32 ms 204.16.247.190
8 2026-08-16 00:55 639224384677141438
31 ms 204.16.247.189
7 2026-08-16 00:55 639224384677141438
31 ms 204.16.247.190
6 2026-08-16 00:40 639224375597986398
2021 ms 204.16.247.189
5 2026-08-16 00:40 639224375597986398
2021 ms 204.16.247.190
4 2026-08-16 00:25 639224366430296466
2316 ms 204.16.247.189
3 2026-08-16 00:25 639224366430296466
2316 ms 204.16.247.190
2 2026-08-16 00:09 639224357218176789
10 ms 204.16.247.189
1 2026-08-16 00:09 639224357218176789
10 ms 204.16.247.190