DNS response history for ns1.vietcdn.net

ns1.vietcdn.net 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 2026-08-26. For this date, NameServerHistory found 60 DNS check records, 60 successful responses, 0 failed responses, and 132 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 ns1.vietcdn.net.
Records on Selected Date

60

Historical checks stored for this nameserver on selected date

Average Latency

132 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 20:16

All timestamps shown in UTC

Latest Resolved IP on Selected Date

103.151.56.159

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 ns1.vietcdn.net

Showing DNS history for 2026-08-26 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 2026-08-26 20:16 639233721164051126
16 ms 103.151.56.159
59 2026-08-26 19:58 639233710560486320
49 ms 103.151.56.159
58 2026-08-26 19:40 639233699834667450
22 ms 103.151.56.159
57 2026-08-26 18:46 639233667209186136
33 ms 103.151.56.159
56 2026-08-26 18:28 639233656814316266
27 ms 103.151.56.159
55 2026-08-26 18:11 639233646245051806
26 ms 103.151.56.159
54 2026-08-26 17:53 639233635663779051
38 ms 103.151.56.159
53 2026-08-26 17:35 639233624977342122
14 ms 103.151.56.159
52 2026-08-26 17:18 639233614446136153
82 ms 103.151.56.159
51 2026-08-26 17:00 639233603737877581
33 ms 103.151.56.159
50 2026-08-26 16:43 639233593269224651
15 ms 103.151.56.159
49 2026-08-26 16:25 639233582635086903
27 ms 103.151.56.159
48 2026-08-26 16:07 639233572000374575
80 ms 103.151.56.159
47 2026-08-26 15:49 639233561188633861
30 ms 103.151.56.159
46 2026-08-26 15:31 639233550544357027
13 ms 103.151.56.159
45 2026-08-26 14:37 639233517966053117
21 ms 103.151.56.159
44 2026-08-26 14:20 639233507603253585
28 ms 103.151.56.159
43 2026-08-26 14:02 639233497229039167
32 ms 103.151.56.159
42 2026-08-26 13:45 639233486864546406
2049 ms 103.151.56.159
41 2026-08-26 13:28 639233476455174682
7 ms 103.151.56.159
40 2026-08-26 13:11 639233466171592605
38 ms 103.151.56.159
39 2026-08-26 12:53 639233455747096265
82 ms 103.151.56.159
38 2026-08-26 12:36 639233445367152284
19 ms 103.151.56.159
37 2026-08-26 12:19 639233434974187439
2068 ms 103.151.56.159
36 2026-08-26 12:01 639233424567558554
8 ms 103.151.56.159
35 2026-08-26 11:44 639233414056832719
56 ms 103.151.56.159
34 2026-08-26 11:26 639233403515141099
47 ms 103.151.56.159
33 2026-08-26 10:32 639233370841350248
21 ms 103.151.56.159
32 2026-08-26 10:14 639233360361507238
58 ms 103.151.56.159
31 2026-08-26 09:57 639233350067824371
11 ms 103.151.56.159
30 2026-08-26 09:40 639233339545274518
134 ms 103.151.56.159
29 2026-08-26 09:22 639233329214918079
33 ms 103.151.56.159
28 2026-08-26 09:05 639233318749762337
28 ms 103.151.56.159
27 2026-08-26 08:48 639233308387917838
41 ms 103.151.56.159
26 2026-08-26 08:30 639233297961740122
13 ms 103.151.56.159
25 2026-08-26 08:13 639233287487159094
66 ms 103.151.56.159
24 2026-08-26 07:55 639233276995531707
10 ms 103.151.56.159
23 2026-08-26 07:38 639233266521568229
24 ms 103.151.56.159
22 2026-08-26 07:21 639233256081047431
2029 ms 103.151.56.159
21 2026-08-26 06:26 639233223620132921
10 ms 103.151.56.159
20 2026-08-26 06:09 639233213287814244
36 ms 103.151.56.159
19 2026-08-26 05:52 639233202925983161
21 ms 103.151.56.159
18 2026-08-26 05:35 639233192644780696
32 ms 103.151.56.159
17 2026-08-26 05:18 639233182401183833
23 ms 103.151.56.159
16 2026-08-26 05:01 639233172074181051
8 ms 103.151.56.159
15 2026-08-26 04:44 639233161808421455
38 ms 103.151.56.159
14 2026-08-26 04:26 639233151357344052
36 ms 103.151.56.159
13 2026-08-26 04:09 639233141034116946
18 ms 103.151.56.159
12 2026-08-26 03:52 639233130828334142
6 ms 103.151.56.159
11 2026-08-26 03:34 639233120373450007
32 ms 103.151.56.159
10 2026-08-26 03:17 639233110066216193
10 ms 103.151.56.159
9 2026-08-26 02:24 639233078065410564
9 ms 103.151.56.159
8 2026-08-26 02:07 639233067787457832
43 ms 103.151.56.159
7 2026-08-26 01:50 639233057501801162
21 ms 103.151.56.159
6 2026-08-26 01:32 639233047089431703
40 ms 103.151.56.159
5 2026-08-26 01:15 639233036754790688
7 ms 103.151.56.159
4 2026-08-26 00:58 639233026412602472
23 ms 103.151.56.159
3 2026-08-26 00:41 639233016064066127
8 ms 103.151.56.159
2 2026-08-26 00:24 639233005922655772
18 ms 103.151.56.159
1 2026-08-26 00:07 639232995672256907
24 ms 103.151.56.159