DNS response history for ns2.ref4ctor.com

ns2.ref4ctor.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 2026-08-20. For this date, NameServerHistory found 57 DNS check records, 57 successful responses, 0 failed responses, and 273 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 ns2.ref4ctor.com.
Records on Selected Date

57

Historical checks stored for this nameserver on selected date

Average Latency

273 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-20 23:58

All timestamps shown in UTC

Latest Resolved IP on Selected Date

57.128.191.83

Most recently resolved hosting IP on selected date

Successful Responses

57

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 ns2.ref4ctor.com

Showing DNS history for 2026-08-20 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
57 2026-08-20 23:58 639228670775860800
28 ms 57.128.191.83
56 2026-08-20 23:07 639228639850033448
2040 ms 57.128.191.83
55 2026-08-20 22:51 639228630204271870
17 ms 57.128.191.83
54 2026-08-20 22:34 639228620295091135
79 ms 57.128.191.83
53 2026-08-20 22:18 639228610298336915
55 ms 57.128.191.83
52 2026-08-20 21:25 639228578917047616
47 ms 57.128.191.83
51 2026-08-20 21:09 639228569046445709
44 ms 57.128.191.83
50 2026-08-20 20:52 639228558946830986
71 ms 57.128.191.83
49 2026-08-20 20:35 639228548977359217
91 ms 57.128.191.83
48 2026-08-20 19:43 639228517494157668
51 ms 57.128.191.83
47 2026-08-20 19:26 639228507374116892
2077 ms 57.128.191.83
46 2026-08-20 19:09 639228497315154893
38 ms 57.128.191.83
45 2026-08-20 18:53 639228487287648341
50 ms 57.128.191.83
44 2026-08-20 18:00 639228455828123788
50 ms 57.128.191.83
43 2026-08-20 17:44 639228445900082244
55 ms 57.128.191.83
42 2026-08-20 17:27 639228435866352323
53 ms 57.128.191.83
41 2026-08-20 17:10 639228425802273151
62 ms 57.128.191.83
40 2026-08-20 16:17 639228393616324230
2050 ms 57.128.191.83
39 2026-08-20 16:00 639228383590408693
77 ms 57.128.191.83
38 2026-08-20 15:43 639228373471467474
47 ms 57.128.191.83
37 2026-08-20 15:26 639228363426647311
47 ms 57.128.191.83
36 2026-08-20 14:33 639228331681701910
61 ms 57.128.191.83
35 2026-08-20 14:17 639228321714746824
64 ms 57.128.191.83
34 2026-08-20 14:00 639228311652090262
53 ms 57.128.191.83
33 2026-08-20 13:43 639228301670088587
47 ms 57.128.191.83
32 2026-08-20 12:51 639228269987976710
2016 ms 57.128.191.83
31 2026-08-20 12:34 639228260009452308
67 ms 57.128.191.83
30 2026-08-20 12:17 639228249661740894
87 ms 57.128.191.83
29 2026-08-20 12:00 639228239552680346
64 ms 57.128.191.83
28 2026-08-20 11:07 639228207667580819
48 ms 57.128.191.83
27 2026-08-20 10:50 639228197494011560
9 ms 57.128.191.83
26 2026-08-20 10:33 639228187497039939
499 ms 57.128.191.83
25 2026-08-20 10:16 639228177408432646
80 ms 57.128.191.83
24 2026-08-20 09:24 639228146356166262
110 ms 57.128.191.83
23 2026-08-20 09:08 639228136541505712
2045 ms 57.128.191.83
22 2026-08-20 08:51 639228126519136598
51 ms 57.128.191.83
21 2026-08-20 08:35 639228116537148885
37 ms 57.128.191.83
20 2026-08-20 07:43 639228085320764351
42 ms 57.128.191.83
19 2026-08-20 07:26 639228075444604839
7 ms 57.128.191.83
18 2026-08-20 07:10 639228065615498985
16 ms 57.128.191.83
17 2026-08-20 06:53 639228055675321422
2064 ms 57.128.191.83
16 2026-08-20 06:01 639228024230839396
18 ms 57.128.191.83
15 2026-08-20 05:45 639228014720406505
77 ms 57.128.191.83
14 2026-08-20 05:29 639228004930827030
76 ms 57.128.191.83
13 2026-08-20 05:12 639227995103340154
63 ms 57.128.191.83
12 2026-08-20 04:20 639227963811374894
57 ms 57.128.191.83
11 2026-08-20 04:04 639227954132571365
65 ms 57.128.191.83
10 2026-08-20 03:48 639227944541208342
50 ms 57.128.191.83
9 2026-08-20 03:32 639227934657213484
68 ms 57.128.191.83
8 2026-08-20 02:40 639227903628145469
80 ms 57.128.191.83
7 2026-08-20 02:24 639227893995483475
3 ms 57.128.191.83
6 2026-08-20 02:08 639227884280244209
204 ms 57.128.191.83
5 2026-08-20 01:51 639227874371147132
11 ms 57.128.191.83
4 2026-08-20 00:59 639227843224256432
55 ms 57.128.191.83
3 2026-08-20 00:43 639227833720403506
15 ms 57.128.191.83
2 2026-08-20 00:27 639227824170728278
81 ms 57.128.191.83
1 2026-08-20 00:12 639227814865867570
66 ms 57.128.191.83