DNS response history for ns4.yangyi21.com

ns4.yangyi21.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 2026-08-25. For this date, NameServerHistory found 28 DNS check records, 28 successful responses, 0 failed responses, and 433 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.yangyi21.com.
Records on Selected Date

28

Historical checks stored for this nameserver on selected date

Average Latency

433 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 02:19

All timestamps shown in UTC

Latest Resolved IP on Selected Date

111.63.63.16

Most recently resolved hosting IP on selected date

Successful Responses

28

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.yangyi21.com

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
28 2026-08-25 02:19 639232203197189095
565 ms 111.63.63.16
27 2026-08-25 02:19 639232203197189095
565 ms 220.243.131.72
26 2026-08-25 02:19 639232203197189095
565 ms 111.225.146.19
25 2026-08-25 02:19 639232203197189095
565 ms 110.249.203.16
24 2026-08-25 02:02 639232192844564298
181 ms 111.63.63.16
23 2026-08-25 02:02 639232192844564298
181 ms 111.225.146.19
22 2026-08-25 02:02 639232192844564298
181 ms 220.243.131.72
21 2026-08-25 02:02 639232192844564298
181 ms 110.249.203.16
20 2026-08-25 01:45 639232182496008942
512 ms 220.243.131.72
19 2026-08-25 01:45 639232182496008942
512 ms 111.63.63.16
18 2026-08-25 01:45 639232182496008942
512 ms 111.225.146.19
17 2026-08-25 01:45 639232182496008942
512 ms 110.249.203.16
16 2026-08-25 01:28 639232172197053132
548 ms 110.249.203.16
15 2026-08-25 01:28 639232172197053132
548 ms 220.243.131.72
14 2026-08-25 01:28 639232172197053132
548 ms 111.63.63.16
13 2026-08-25 01:28 639232172197053132
548 ms 111.225.146.19
12 2026-08-25 00:34 639232140250307418
507 ms 220.243.131.72
11 2026-08-25 00:34 639232140250307418
507 ms 111.63.63.16
10 2026-08-25 00:34 639232140250307418
507 ms 111.225.146.19
9 2026-08-25 00:34 639232140250307418
507 ms 110.249.203.16
8 2026-08-25 00:17 639232129927860324
206 ms 111.225.146.19
7 2026-08-25 00:17 639232129927860324
206 ms 220.243.131.72
6 2026-08-25 00:17 639232129927860324
206 ms 111.63.63.16
5 2026-08-25 00:17 639232129927860324
206 ms 110.249.203.16
4 2026-08-25 00:00 639232119551972438
512 ms 220.243.131.72
3 2026-08-25 00:00 639232119551972438
512 ms 110.249.203.16
2 2026-08-25 00:00 639232119551972438
512 ms 111.225.146.19
1 2026-08-25 00:00 639232119551972438
512 ms 111.63.63.16