DNS response history for ns01.4-sys.com

ns01.4-sys.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 452 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 ns01.4-sys.com.
Records on Selected Date

57

Historical checks stored for this nameserver on selected date

Average Latency

452 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-20 23:19

All timestamps shown in UTC

Latest Resolved IP on Selected Date

203.152.217.34

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 ns01.4-sys.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 23:19 639228639850033448
537 ms 203.152.217.34
56 2026-08-20 23:03 639228630204271870
542 ms 203.152.217.34
55 2026-08-20 22:47 639228620295091135
542 ms 203.152.217.34
54 2026-08-20 22:30 639228610298336915
541 ms 203.152.217.34
53 2026-08-20 21:37 639228578917047616
3 ms 203.152.217.34
52 2026-08-20 21:21 639228569046445709
548 ms 203.152.217.34
51 2026-08-20 21:05 639228558946830986
549 ms 203.152.217.34
50 2026-08-20 20:48 639228548977359217
538 ms 203.152.217.34
49 2026-08-20 19:55 639228517494157668
4 ms 203.152.217.34
48 2026-08-20 19:39 639228507374116892
545 ms 203.152.217.34
47 2026-08-20 19:22 639228497315154893
547 ms 203.152.217.34
46 2026-08-20 19:05 639228487287648341
543 ms 203.152.217.34
45 2026-08-20 18:13 639228455828123788
8 ms 203.152.217.34
44 2026-08-20 17:56 639228445900082244
537 ms 203.152.217.34
43 2026-08-20 17:39 639228435866352323
271 ms 203.152.217.34
42 2026-08-20 17:22 639228425802273151
540 ms 203.152.217.34
41 2026-08-20 16:29 639228393616324230
3 ms 203.152.217.34
40 2026-08-20 16:12 639228383590408693
550 ms 203.152.217.34
39 2026-08-20 15:55 639228373471467474
543 ms 203.152.217.34
38 2026-08-20 15:38 639228363426647311
543 ms 203.152.217.34
37 2026-08-20 14:45 639228331681701910
540 ms 203.152.217.34
36 2026-08-20 14:29 639228321714746824
3 ms 203.152.217.34
35 2026-08-20 14:12 639228311652090262
541 ms 203.152.217.34
34 2026-08-20 13:55 639228301670088587
365 ms 203.152.217.34
33 2026-08-20 13:03 639228269987976710
539 ms 203.152.217.34
32 2026-08-20 12:46 639228260009452308
540 ms 203.152.217.34
31 2026-08-20 12:29 639228249661740894
546 ms 203.152.217.34
30 2026-08-20 12:12 639228239552680346
534 ms 203.152.217.34
29 2026-08-20 11:19 639228207667580819
521 ms 203.152.217.34
28 2026-08-20 11:02 639228197494011560
635 ms 203.152.217.34
27 2026-08-20 10:45 639228187497039939
524 ms 203.152.217.34
26 2026-08-20 10:28 639228177408432646
519 ms 203.152.217.34
25 2026-08-20 09:36 639228146356166262
601 ms 203.152.217.34
24 2026-08-20 09:20 639228136541505712
2 ms 203.152.217.34
23 2026-08-20 09:04 639228126519136598
280 ms 203.152.217.34
22 2026-08-20 08:47 639228116537148885
538 ms 203.152.217.34
21 2026-08-20 07:54 639228085320764351
275 ms 203.152.217.34
20 2026-08-20 07:39 639228075444604839
3 ms 203.152.217.34
19 2026-08-20 07:22 639228065615498985
521 ms 203.152.217.34
18 2026-08-20 07:05 639228055675321422
528 ms 203.152.217.34
17 2026-08-20 06:13 639228024230839396
522 ms 203.152.217.34
16 2026-08-20 05:57 639228014720406505
531 ms 203.152.217.34
15 2026-08-20 05:41 639228004930827030
579 ms 203.152.217.34
14 2026-08-20 05:24 639227995103340154
523 ms 203.152.217.34
13 2026-08-20 04:32 639227963811374894
2 ms 203.152.217.34
12 2026-08-20 04:16 639227954132571365
521 ms 203.152.217.34
11 2026-08-20 04:00 639227944541208342
3 ms 203.152.217.34
10 2026-08-20 03:44 639227934657213484
520 ms 203.152.217.34
9 2026-08-20 02:51 639227903628145469
278 ms 203.152.217.34
8 2026-08-20 02:36 639227893995483475
522 ms 203.152.217.34
7 2026-08-20 02:20 639227884280244209
519 ms 203.152.217.34
6 2026-08-20 02:03 639227874371147132
528 ms 203.152.217.34
5 2026-08-20 01:11 639227843224256432
535 ms 203.152.217.34
4 2026-08-20 00:55 639227833720403506
2338 ms 203.152.217.34
3 2026-08-20 00:39 639227824170728278
299 ms 203.152.217.34
2 2026-08-20 00:24 639227814865867570
3 ms 203.152.217.34
1 2026-08-20 00:08 639227805445376839
539 ms 203.152.217.34