DNS response history for ns21.webmasters.com

ns21.webmasters.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 2026-08-24. For this date, NameServerHistory found 26 DNS check records, 26 successful responses, 0 failed responses, and 347 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 ns21.webmasters.com.
Records on Selected Date

26

Historical checks stored for this nameserver on selected date

Average Latency

347 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 10:37

All timestamps shown in UTC

Latest Resolved IP on Selected Date

209.216.89.171

Most recently resolved hosting IP on selected date

Successful Responses

26

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 ns21.webmasters.com

Showing DNS history for 2026-08-24 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
26 2026-08-24 10:37 639231641791249939
128 ms 209.216.89.171
25 2026-08-24 10:20 639231631866211033
4104 ms 209.216.89.171
24 2026-08-24 10:03 639231621644955316
103 ms 209.216.89.171
23 2026-08-24 09:46 639231611478799259
9 ms 209.216.89.171
22 2026-08-24 08:54 639231579923718211
111 ms 209.216.89.171
21 2026-08-24 08:37 639231569810702936
113 ms 209.216.89.171
20 2026-08-24 08:20 639231559762411619
100 ms 209.216.89.171
19 2026-08-24 08:03 639231549663595407
97 ms 209.216.89.171
18 2026-08-24 07:11 639231518076817246
106 ms 209.216.89.171
17 2026-08-24 06:54 639231508078650885
2105 ms 209.216.89.171
16 2026-08-24 06:37 639231498210697093
110 ms 209.216.89.171
15 2026-08-24 06:21 639231488109699360
365 ms 209.216.89.171
14 2026-08-24 05:29 639231456772510692
103 ms 209.216.89.171
13 2026-08-24 05:12 639231447084631185
103 ms 209.216.89.171
12 2026-08-24 04:56 639231437208519473
142 ms 209.216.89.171
11 2026-08-24 04:39 639231427209627490
104 ms 209.216.89.171
10 2026-08-24 03:47 639231395791246644
138 ms 209.216.89.171
9 2026-08-24 03:31 639231386075551458
95 ms 209.216.89.171
8 2026-08-24 03:14 639231376208713791
130 ms 209.216.89.171
7 2026-08-24 02:57 639231366170589276
100 ms 209.216.89.171
6 2026-08-24 02:05 639231334732159368
102 ms 209.216.89.171
5 2026-08-24 01:49 639231325035670078
101 ms 209.216.89.171
4 2026-08-24 01:32 639231315132253837
129 ms 209.216.89.171
3 2026-08-24 01:16 639231305014280808
104 ms 209.216.89.171
2 2026-08-24 00:23 639231273779380675
109 ms 209.216.89.171
1 2026-08-24 00:07 639231264180839154
106 ms 209.216.89.171