DNS response history for ns21.rfnweb.com

ns21.rfnweb.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 51 DNS check records, 50 successful responses, 1 failed responses, and 271 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.rfnweb.com.
Records on Selected Date

51

Historical checks stored for this nameserver on selected date

Average Latency

271 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 10:35

All timestamps shown in UTC

Latest Resolved IP on Selected Date

76.223.54.146

Most recently resolved hosting IP on selected date

Successful Responses

50

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

2%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns21.rfnweb.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
51 2026-08-24 10:35 639231641791249939
84 ms 76.223.54.146
50 2026-08-24 10:35 639231641791249939
84 ms 13.248.169.48
49 2026-08-24 10:19 639231631866211033
1534 ms 76.223.54.146
48 2026-08-24 10:19 639231631866211033
1534 ms 13.248.169.48
47 2026-08-24 10:02 639231621644955316
20 ms 76.223.54.146
46 2026-08-24 10:02 639231621644955316
20 ms 13.248.169.48
45 2026-08-24 09:45 639231611478799259
-
44 2026-08-24 08:52 639231579923718211
24 ms 76.223.54.146
43 2026-08-24 08:52 639231579923718211
24 ms 13.248.169.48
42 2026-08-24 08:35 639231569810702936
22 ms 76.223.54.146
41 2026-08-24 08:35 639231569810702936
22 ms 13.248.169.48
40 2026-08-24 08:18 639231559762411619
23 ms 76.223.54.146
39 2026-08-24 08:18 639231559762411619
23 ms 13.248.169.48
38 2026-08-24 08:02 639231549663595407
41 ms 76.223.54.146
37 2026-08-24 08:02 639231549663595407
41 ms 13.248.169.48
36 2026-08-24 07:09 639231518076817246
10 ms 76.223.54.146
35 2026-08-24 07:09 639231518076817246
10 ms 13.248.169.48
34 2026-08-24 06:53 639231508078650885
2014 ms 76.223.54.146
33 2026-08-24 06:53 639231508078650885
2014 ms 13.248.169.48
32 2026-08-24 06:36 639231498210697093
62 ms 13.248.169.48
31 2026-08-24 06:36 639231498210697093
62 ms 76.223.54.146
30 2026-08-24 06:19 639231488109699360
2067 ms 76.223.54.146
29 2026-08-24 06:19 639231488109699360
2067 ms 13.248.169.48
28 2026-08-24 05:27 639231456772510692
30 ms 76.223.54.146
27 2026-08-24 05:27 639231456772510692
30 ms 13.248.169.48
26 2026-08-24 05:11 639231447084631185
37 ms 76.223.54.146
25 2026-08-24 05:11 639231447084631185
37 ms 13.248.169.48
24 2026-08-24 04:54 639231437208519473
24 ms 76.223.54.146
23 2026-08-24 04:54 639231437208519473
24 ms 13.248.169.48
22 2026-08-24 04:38 639231427209627490
38 ms 76.223.54.146
21 2026-08-24 04:38 639231427209627490
38 ms 13.248.169.48
20 2026-08-24 03:45 639231395791246644
17 ms 76.223.54.146
19 2026-08-24 03:45 639231395791246644
17 ms 13.248.169.48
18 2026-08-24 03:29 639231386075551458
26 ms 76.223.54.146
17 2026-08-24 03:29 639231386075551458
26 ms 13.248.169.48
16 2026-08-24 03:13 639231376208713791
12 ms 13.248.169.48
15 2026-08-24 03:13 639231376208713791
12 ms 76.223.54.146
14 2026-08-24 02:56 639231366170589276
15 ms 76.223.54.146
13 2026-08-24 02:56 639231366170589276
15 ms 13.248.169.48
12 2026-08-24 02:04 639231334732159368
22 ms 76.223.54.146
11 2026-08-24 02:04 639231334732159368
22 ms 13.248.169.48
10 2026-08-24 01:47 639231325035670078
85 ms 13.248.169.48
9 2026-08-24 01:47 639231325035670078
85 ms 76.223.54.146
8 2026-08-24 01:31 639231315132253837
16 ms 13.248.169.48
7 2026-08-24 01:31 639231315132253837
16 ms 76.223.54.146
6 2026-08-24 01:14 639231305014280808
91 ms 76.223.54.146
5 2026-08-24 01:14 639231305014280808
91 ms 13.248.169.48
4 2026-08-24 00:22 639231273779380675
438 ms 13.248.169.48
3 2026-08-24 00:22 639231273779380675
438 ms 76.223.54.146
2 2026-08-24 00:06 639231264180839154
17 ms 76.223.54.146
1 2026-08-24 00:06 639231264180839154
17 ms 13.248.169.48