DNS response history for ns-3921.awsdns-cn-53.cn

ns-3921.awsdns-cn-53.cn 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 2026-09-01. For this date, NameServerHistory found 21 DNS check records, 21 successful responses, 0 failed responses, and 477 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 ns-3921.awsdns-cn-53.cn.
Records on Selected Date

21

Historical checks stored for this nameserver on selected date

Average Latency

477 ms

Calculated from available response records

Latest Check on Selected Date

2026-09-01 07:22

All timestamps shown in UTC

Latest Resolved IP on Selected Date

54.222.39.81

Most recently resolved hosting IP on selected date

Successful Responses

21

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 ns-3921.awsdns-cn-53.cn

Showing DNS history for 2026-09-01 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
21 2026-09-01 07:22 639238436624109087
256 ms 54.222.39.81
20 2026-09-01 07:03 639238425565611335
264 ms 54.222.39.81
19 2026-09-01 06:08 639238392250222581
311 ms 54.222.39.81
18 2026-09-01 05:49 639238381322537831
533 ms 54.222.39.81
17 2026-09-01 05:31 639238370248186084
24 ms 54.222.39.81
16 2026-09-01 05:13 639238359264687845
20 ms 54.222.39.81
15 2026-09-01 04:55 639238348534621818
12 ms 54.222.39.81
14 2026-09-01 04:37 639238337725739433
183 ms 54.222.39.81
13 2026-09-01 04:18 639238326844749368
279 ms 54.222.39.81
12 2026-09-01 04:00 639238315792024737
223 ms 54.222.39.81
11 2026-09-01 03:42 639238304931064768
438 ms 54.222.39.81
10 2026-09-01 03:24 639238294131483803
1513 ms 54.222.39.81
9 2026-09-01 03:06 639238283314985519
188 ms 54.222.39.81
8 2026-09-01 02:48 639238272374093187
1465 ms 54.222.39.81
7 2026-09-01 01:53 639238240032549922
7 ms 54.222.39.81
6 2026-09-01 01:36 639238229204177368
10 ms 54.222.39.81
5 2026-09-01 01:18 639238218326150282
2301 ms 54.222.39.81
4 2026-09-01 01:00 639238207574700853
1377 ms 54.222.39.81
3 2026-09-01 00:41 639238196660283915
389 ms 54.222.39.81
2 2026-09-01 00:23 639238185782358546
9 ms 54.222.39.81
1 2026-09-01 00:05 639238175054391781
215 ms 54.222.39.81