DNS response history for ns4.cdn30.info

ns4.cdn30.info 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 2026-08-25. For this date, NameServerHistory found 60 DNS check records, 60 successful responses, 0 failed responses, and 460 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.cdn30.info.
Records on Selected Date

60

Historical checks stored for this nameserver on selected date

Average Latency

460 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 20:46

All timestamps shown in UTC

Latest Resolved IP on Selected Date

121.18.168.159

Most recently resolved hosting IP on selected date

Successful Responses

60

Checks that returned a measurable response

Failed Responses

0

Checks with no response or no returned latency

Failure Rate

0%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns4.cdn30.info

Showing DNS history for 2026-08-25 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
60 2026-08-25 20:46 639232869755024069
504 ms 121.18.168.159
59 2026-08-25 20:29 639232859355940346
261 ms 121.18.168.159
58 2026-08-25 20:12 639232848992244953
124 ms 121.18.168.159
57 2026-08-25 19:54 639232838596478500
376 ms 121.18.168.159
56 2026-08-25 19:37 639232828175327683
125 ms 121.18.168.159
55 2026-08-25 19:20 639232817798330473
613 ms 121.18.168.159
54 2026-08-25 18:26 639232785462407552
270 ms 121.18.168.159
53 2026-08-25 18:09 639232775177487032
126 ms 121.18.168.159
52 2026-08-25 17:51 639232764991087115
121 ms 121.18.168.159
51 2026-08-25 17:34 639232754842971478
506 ms 121.18.168.159
50 2026-08-25 17:17 639232744455159107
124 ms 121.18.168.159
49 2026-08-25 17:00 639232734145178231
136 ms 121.18.168.159
48 2026-08-25 16:43 639232723827874402
3710 ms 121.18.168.159
47 2026-08-25 16:26 639232713533011892
319 ms 121.18.168.159
46 2026-08-25 16:09 639232703065318207
128 ms 121.18.168.159
45 2026-08-25 15:51 639232692629559470
367 ms 121.18.168.159
44 2026-08-25 15:34 639232682238836475
130 ms 121.18.168.159
43 2026-08-25 15:16 639232671787004306
286 ms 121.18.168.159
42 2026-08-25 14:22 639232638994329666
2192 ms 121.18.168.159
41 2026-08-25 14:04 639232628614783237
126 ms 121.18.168.159
40 2026-08-25 13:47 639232618360728578
120 ms 121.18.168.159
39 2026-08-25 13:30 639232608016476376
16 ms 121.18.168.159
38 2026-08-25 13:13 639232597643611557
124 ms 121.18.168.159
37 2026-08-25 12:55 639232587225721862
139 ms 121.18.168.159
36 2026-08-25 12:38 639232576780683689
384 ms 121.18.168.159
35 2026-08-25 12:21 639232566381512620
128 ms 121.18.168.159
34 2026-08-25 12:03 639232556111768563
2144 ms 121.18.168.159
33 2026-08-25 11:46 639232545839529039
134 ms 121.18.168.159
32 2026-08-25 11:29 639232535349285207
4 ms 121.18.168.159
31 2026-08-25 11:11 639232524938080723
324 ms 121.18.168.159
30 2026-08-25 10:18 639232492740373468
126 ms 121.18.168.159
29 2026-08-25 10:01 639232482235303141
123 ms 121.18.168.159
28 2026-08-25 09:43 639232471861770303
308 ms 121.18.168.159
27 2026-08-25 09:26 639232461630217327
141 ms 121.18.168.159
26 2026-08-25 09:09 639232451282965990
353 ms 121.18.168.159
25 2026-08-25 08:51 639232440814614938
123 ms 121.18.168.159
24 2026-08-25 08:34 639232430410720425
128 ms 121.18.168.159
23 2026-08-25 08:17 639232420003096185
132 ms 121.18.168.159
22 2026-08-25 07:59 639232409467287444
2324 ms 121.18.168.159
21 2026-08-25 07:42 639232399077195997
135 ms 121.18.168.159
20 2026-08-25 07:24 639232388731528337
125 ms 121.18.168.159
19 2026-08-25 07:07 639232378288598612
305 ms 121.18.168.159
18 2026-08-25 06:13 639232346196373643
122 ms 121.18.168.159
17 2026-08-25 05:57 639232336112370741
487 ms 121.18.168.159
16 2026-08-25 05:40 639232326146508970
2292 ms 121.18.168.159
15 2026-08-25 05:23 639232316189381720
123 ms 121.18.168.159
14 2026-08-25 05:07 639232306217998913
2237 ms 121.18.168.159
13 2026-08-25 04:50 639232296255744174
119 ms 121.18.168.159
12 2026-08-25 04:33 639232286095760789
2135 ms 121.18.168.159
11 2026-08-25 04:16 639232276086186273
128 ms 121.18.168.159
10 2026-08-25 04:00 639232265900986425
127 ms 121.18.168.159
9 2026-08-25 03:43 639232255723518075
132 ms 121.18.168.159
8 2026-08-25 03:26 639232245484452890
124 ms 121.18.168.159
7 2026-08-25 03:08 639232235157175331
139 ms 121.18.168.159
6 2026-08-25 02:15 639232203197189095
122 ms 121.18.168.159
5 2026-08-25 01:58 639232192844564298
293 ms 121.18.168.159
4 2026-08-25 01:41 639232182496008942
378 ms 121.18.168.159
3 2026-08-25 01:23 639232172197053132
3 ms 121.18.168.159
2 2026-08-25 00:30 639232140250307418
125 ms 121.18.168.159
1 2026-08-25 00:13 639232129927860324
121 ms 121.18.168.159