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 2026-08-19. For this date, NameServerHistory found 149 DNS check records, 148 successful responses, 1 failed responses, and 148 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

149

Historical checks stored for this nameserver on selected date

Average Latency

148 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:58

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

148

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 n4.libsyn.com

Showing DNS history for 2026-08-19 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
149 2026-08-19 23:58 639227805445376839
27 ms 204.16.247.189
148 2026-08-19 23:58 639227805445376839
27 ms 204.16.247.190
147 2026-08-19 23:42 639227795899225951
21 ms 204.16.247.189
146 2026-08-19 23:42 639227795899225951
21 ms 204.16.247.190
145 2026-08-19 23:26 639227786351762008
12 ms 204.16.247.190
144 2026-08-19 23:26 639227786351762008
12 ms 204.16.247.189
143 2026-08-19 23:10 639227776640591733
52 ms 204.16.247.189
142 2026-08-19 23:10 639227776640591733
52 ms 204.16.247.190
141 2026-08-19 22:54 639227767128841282
24 ms 204.16.247.189
140 2026-08-19 22:54 639227767128841282
24 ms 204.16.247.190
139 2026-08-19 22:38 639227757477304711
32 ms 204.16.247.190
138 2026-08-19 22:38 639227757477304711
32 ms 204.16.247.189
137 2026-08-19 22:21 639227747572098014
20 ms 204.16.247.189
136 2026-08-19 22:21 639227747572098014
20 ms 204.16.247.190
135 2026-08-19 22:05 639227737588613113
24 ms 204.16.247.190
134 2026-08-19 22:05 639227737588613113
24 ms 204.16.247.189
133 2026-08-19 21:12 639227706134603955
30 ms 204.16.247.189
132 2026-08-19 21:12 639227706134603955
30 ms 204.16.247.190
131 2026-08-19 20:56 639227696589027396
29 ms 204.16.247.189
130 2026-08-19 20:56 639227696589027396
29 ms 204.16.247.190
129 2026-08-19 20:41 639227687097707639
24 ms 204.16.247.189
128 2026-08-19 20:41 639227687097707639
24 ms 204.16.247.190
127 2026-08-19 20:24 639227677474464487
19 ms 204.16.247.189
126 2026-08-19 20:24 639227677474464487
19 ms 204.16.247.190
125 2026-08-19 20:08 639227667767441118
22 ms 204.16.247.189
124 2026-08-19 20:08 639227667767441118
22 ms 204.16.247.190
123 2026-08-19 19:52 639227657984833832
32 ms 204.16.247.189
122 2026-08-19 19:52 639227657984833832
32 ms 204.16.247.190
121 2026-08-19 19:35 639227648079992640
29 ms 204.16.247.190
120 2026-08-19 19:35 639227648079992640
29 ms 204.16.247.189
119 2026-08-19 19:19 639227638125048441
101 ms 204.16.247.190
118 2026-08-19 19:19 639227638125048441
101 ms 204.16.247.189
117 2026-08-19 19:02 639227628211392142
39 ms 204.16.247.190
116 2026-08-19 19:02 639227628211392142
39 ms 204.16.247.189
115 2026-08-19 18:46 639227618261696275
29 ms 204.16.247.189
114 2026-08-19 18:46 639227618261696275
29 ms 204.16.247.190
113 2026-08-19 18:29 639227608366233645
67 ms 204.16.247.189
112 2026-08-19 18:29 639227608366233645
67 ms 204.16.247.190
111 2026-08-19 18:13 639227598301787588
23 ms 204.16.247.189
110 2026-08-19 18:13 639227598301787588
23 ms 204.16.247.190
109 2026-08-19 17:19 639227566241010716
42 ms 204.16.247.189
108 2026-08-19 17:19 639227566241010716
42 ms 204.16.247.190
107 2026-08-19 17:03 639227556454538959
34 ms 204.16.247.189
106 2026-08-19 17:03 639227556454538959
34 ms 204.16.247.190
105 2026-08-19 16:46 639227546640305542
2025 ms 204.16.247.190
104 2026-08-19 16:46 639227546640305542
2025 ms 204.16.247.189
103 2026-08-19 16:30 639227536965466472
14 ms 204.16.247.189
102 2026-08-19 16:30 639227536965466472
14 ms 204.16.247.190
101 2026-08-19 16:14 639227527048658280
16 ms 204.16.247.190
100 2026-08-19 16:14 639227527048658280
16 ms 204.16.247.189
99 2026-08-19 15:58 639227517386634438
70 ms 204.16.247.189
98 2026-08-19 15:58 639227517386634438
70 ms 204.16.247.190
97 2026-08-19 15:41 639227507459551637
25 ms 204.16.247.189
96 2026-08-19 15:41 639227507459551637
25 ms 204.16.247.190
95 2026-08-19 15:24 639227497515595277
311 ms 204.16.247.189
94 2026-08-19 15:24 639227497515595277
311 ms 204.16.247.190
93 2026-08-19 15:08 639227487441798036
37 ms 204.16.247.189
92 2026-08-19 15:08 639227487441798036
37 ms 204.16.247.190
91 2026-08-19 14:51 639227477445551863
33 ms 204.16.247.189
90 2026-08-19 14:51 639227477445551863
33 ms 204.16.247.190
89 2026-08-19 14:34 639227467297067891
31 ms 204.16.247.189
88 2026-08-19 14:34 639227467297067891
31 ms 204.16.247.190
87 2026-08-19 14:17 639227457057795635
17 ms 204.16.247.190
86 2026-08-19 14:17 639227457057795635
17 ms 204.16.247.189
85 2026-08-19 13:24 639227425244777397
2038 ms 204.16.247.189
84 2026-08-19 13:24 639227425244777397
2038 ms 204.16.247.190
83 2026-08-19 13:08 639227415422116485
41 ms 204.16.247.189
82 2026-08-19 13:08 639227415422116485
41 ms 204.16.247.190
81 2026-08-19 12:51 639227405307256053
23 ms 204.16.247.189
80 2026-08-19 12:51 639227405307256053
23 ms 204.16.247.190
79 2026-08-19 12:34 639227395396602630
24 ms 204.16.247.189
78 2026-08-19 12:34 639227395396602630
24 ms 204.16.247.190
77 2026-08-19 12:18 639227385510363611
10 ms 204.16.247.189
76 2026-08-19 12:18 639227385510363611
10 ms 204.16.247.190
75 2026-08-19 12:01 639227375508324850
29 ms 204.16.247.189
74 2026-08-19 12:01 639227375508324850
29 ms 204.16.247.190
73 2026-08-19 11:44 639227365326611906
39 ms 204.16.247.189
72 2026-08-19 11:44 639227365326611906
39 ms 204.16.247.190
71 2026-08-19 11:28 639227355360014208
18 ms 204.16.247.189
70 2026-08-19 11:28 639227355360014208
18 ms 204.16.247.190
69 2026-08-19 11:10 639227345036782165
13 ms 204.16.247.189
68 2026-08-19 11:10 639227345036782165
13 ms 204.16.247.190
67 2026-08-19 10:54 639227334992964533
28 ms 204.16.247.189
66 2026-08-19 10:54 639227334992964533
28 ms 204.16.247.190
65 2026-08-19 10:37 639227324986605572
39 ms 204.16.247.189
64 2026-08-19 10:37 639227324986605572
39 ms 204.16.247.190
63 2026-08-19 10:20 639227314928414539
66 ms 204.16.247.189
62 2026-08-19 10:20 639227314928414539
66 ms 204.16.247.190
61 2026-08-19 09:27 639227283029182134
47 ms 204.16.247.190
60 2026-08-19 09:27 639227283029182134
47 ms 204.16.247.189
59 2026-08-19 09:11 639227273294779350
8 ms 204.16.247.189
58 2026-08-19 09:11 639227273294779350
8 ms 204.16.247.190
57 2026-08-19 08:54 639227263525231313
18 ms 204.16.247.190
56 2026-08-19 08:54 639227263525231313
18 ms 204.16.247.189
55 2026-08-19 08:38 639227253578313363
42 ms 204.16.247.189
54 2026-08-19 08:38 639227253578313363
42 ms 204.16.247.190
53 2026-08-19 08:21 639227243649973322
34 ms 204.16.247.189
52 2026-08-19 08:21 639227243649973322
34 ms 204.16.247.190
51 2026-08-19 08:05 639227233581059317
58 ms 204.16.247.189
50 2026-08-19 08:05 639227233581059317
58 ms 204.16.247.190
49 2026-08-19 07:48 639227223667352067
2021 ms 204.16.247.189
48 2026-08-19 07:48 639227223667352067
2021 ms 204.16.247.190
47 2026-08-19 07:32 639227213714837066
12 ms 204.16.247.189
46 2026-08-19 07:32 639227213714837066
12 ms 204.16.247.190
45 2026-08-19 07:15 639227203701208496
15 ms 204.16.247.189
44 2026-08-19 07:15 639227203701208496
15 ms 204.16.247.190
43 2026-08-19 06:58 639227193643202179
31 ms 204.16.247.189
42 2026-08-19 06:58 639227193643202179
31 ms 204.16.247.190
41 2026-08-19 06:41 639227183584431597
41 ms 204.16.247.189
40 2026-08-19 06:41 639227183584431597
41 ms 204.16.247.190
39 2026-08-19 06:24 639227173347403088
30 ms 204.16.247.189
38 2026-08-19 06:24 639227173347403088
30 ms 204.16.247.190
37 2026-08-19 05:31 639227141523007601
18 ms 204.16.247.189
36 2026-08-19 05:31 639227141523007601
18 ms 204.16.247.190
35 2026-08-19 05:15 639227131785931574
-
34 2026-08-19 04:59 639227122176475389
34 ms 204.16.247.189
33 2026-08-19 04:59 639227122176475389
34 ms 204.16.247.190
32 2026-08-19 04:43 639227112668934596
2044 ms 204.16.247.190
31 2026-08-19 04:43 639227112668934596
2044 ms 204.16.247.189
30 2026-08-19 04:27 639227102773292788
59 ms 204.16.247.190
29 2026-08-19 04:27 639227102773292788
59 ms 204.16.247.189
28 2026-08-19 04:10 639227093141136930
4 ms 204.16.247.189
27 2026-08-19 04:10 639227093141136930
4 ms 204.16.247.190
26 2026-08-19 03:54 639227083449420147
38 ms 204.16.247.189
25 2026-08-19 03:54 639227083449420147
38 ms 204.16.247.190
24 2026-08-19 03:38 639227073771748493
20 ms 204.16.247.189
23 2026-08-19 03:38 639227073771748493
20 ms 204.16.247.190
22 2026-08-19 03:22 639227063977347614
15 ms 204.16.247.189
21 2026-08-19 03:22 639227063977347614
15 ms 204.16.247.190
20 2026-08-19 03:06 639227054253519024
346 ms 204.16.247.189
19 2026-08-19 03:06 639227054253519024
346 ms 204.16.247.190
18 2026-08-19 02:49 639227044381963886
32 ms 204.16.247.190
17 2026-08-19 02:49 639227044381963886
32 ms 204.16.247.189
16 2026-08-19 02:33 639227034441085514
58 ms 204.16.247.189
15 2026-08-19 02:33 639227034441085514
58 ms 204.16.247.190
14 2026-08-19 01:41 639227003126489968
32 ms 204.16.247.189
13 2026-08-19 01:41 639227003126489968
32 ms 204.16.247.190
12 2026-08-19 01:24 639226993456311614
32 ms 204.16.247.189
11 2026-08-19 01:24 639226993456311614
32 ms 204.16.247.190
10 2026-08-19 01:08 639226983847312345
54 ms 204.16.247.189
9 2026-08-19 01:08 639226983847312345
54 ms 204.16.247.190
8 2026-08-19 00:53 639226974357874853
39 ms 204.16.247.189
7 2026-08-19 00:53 639226974357874853
39 ms 204.16.247.190
6 2026-08-19 00:37 639226964670484721
55 ms 204.16.247.189
5 2026-08-19 00:37 639226964670484721
55 ms 204.16.247.190
4 2026-08-19 00:20 639226954857899696
22 ms 204.16.247.189
3 2026-08-19 00:20 639226954857899696
22 ms 204.16.247.190
2 2026-08-19 00:04 639226945091603488
27 ms 204.16.247.189
1 2026-08-19 00:04 639226945091603488
27 ms 204.16.247.190