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 2026-08-12. For this date, NameServerHistory found 61 DNS check records, 61 successful responses, 0 failed responses, and 407 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

61

Historical checks stored for this nameserver on selected date

Average Latency

407 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-12 23:45

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

61

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 2026-08-12 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
61 2026-08-12 23:45 639221744107644868
529 ms 203.152.217.34
60 2026-08-12 23:30 639221735030187244
522 ms 203.152.217.34
59 2026-08-12 23:15 639221725815508109
21 ms 203.152.217.34
58 2026-08-12 22:23 639221694790955973
523 ms 203.152.217.34
57 2026-08-12 22:08 639221685562451720
523 ms 203.152.217.34
56 2026-08-12 21:52 639221676023655289
276 ms 203.152.217.34
55 2026-08-12 21:36 639221666449119409
526 ms 203.152.217.34
54 2026-08-12 20:44 639221635456432556
540 ms 203.152.217.34
53 2026-08-12 20:29 639221626313054202
9 ms 203.152.217.34
52 2026-08-12 20:13 639221617091958857
275 ms 203.152.217.34
51 2026-08-12 19:58 639221607786737151
269 ms 203.152.217.34
50 2026-08-12 19:06 639221576664330059
387 ms 203.152.217.34
49 2026-08-12 18:51 639221567514216674
526 ms 203.152.217.34
48 2026-08-12 18:35 639221558399762524
527 ms 203.152.217.34
47 2026-08-12 18:20 639221549052016282
527 ms 203.152.217.34
46 2026-08-12 17:28 639221517673834934
265 ms 203.152.217.34
45 2026-08-12 17:12 639221508282311633
530 ms 203.152.217.34
44 2026-08-12 16:56 639221498786324983
526 ms 203.152.217.34
43 2026-08-12 16:40 639221489157589737
262 ms 203.152.217.34
42 2026-08-12 15:48 639221457655914645
263 ms 203.152.217.34
41 2026-08-12 15:32 639221448164090526
266 ms 203.152.217.34
40 2026-08-12 15:16 639221438725783630
524 ms 203.152.217.34
39 2026-08-12 15:00 639221429178071087
525 ms 203.152.217.34
38 2026-08-12 14:08 639221397761278719
267 ms 203.152.217.34
37 2026-08-12 13:52 639221388200567278
263 ms 203.152.217.34
36 2026-08-12 13:36 639221378483570949
529 ms 203.152.217.34
35 2026-08-12 13:20 639221368872360139
532 ms 203.152.217.34
34 2026-08-12 12:27 639221337226647415
529 ms 203.152.217.34
33 2026-08-12 12:12 639221327924087446
524 ms 203.152.217.34
32 2026-08-12 11:56 639221318096976375
525 ms 203.152.217.34
31 2026-08-12 11:39 639221308343145274
527 ms 203.152.217.34
30 2026-08-12 10:47 639221277089610470
359 ms 203.152.217.34
29 2026-08-12 10:31 639221267628136359
265 ms 203.152.217.34
28 2026-08-12 10:15 639221257907569952
262 ms 203.152.217.34
27 2026-08-12 09:59 639221248402420965
528 ms 203.152.217.34
26 2026-08-12 09:06 639221216797540533
262 ms 203.152.217.34
25 2026-08-12 08:51 639221207385792352
270 ms 203.152.217.34
24 2026-08-12 08:35 639221198078534844
529 ms 203.152.217.34
23 2026-08-12 08:19 639221188677585577
523 ms 203.152.217.34
22 2026-08-12 07:27 639221157276484143
522 ms 203.152.217.34
21 2026-08-12 07:12 639221147876262183
520 ms 203.152.217.34
20 2026-08-12 06:56 639221138388812469
261 ms 203.152.217.34
19 2026-08-12 06:40 639221128987381118
523 ms 203.152.217.34
18 2026-08-12 05:48 639221097816416095
261 ms 203.152.217.34
17 2026-08-12 05:33 639221088508065616
523 ms 203.152.217.34
16 2026-08-12 05:17 639221079092308503
523 ms 203.152.217.34
15 2026-08-12 05:01 639221069595873597
522 ms 203.152.217.34
14 2026-08-12 04:09 639221038601577496
2 ms 203.152.217.34
13 2026-08-12 03:54 639221029533901299
522 ms 203.152.217.34
12 2026-08-12 03:39 639221020333828965
520 ms 203.152.217.34
11 2026-08-12 03:23 639221011110510484
525 ms 203.152.217.34
10 2026-08-12 02:31 639220979815209769
3 ms 203.152.217.34
9 2026-08-12 02:16 639220970971410921
528 ms 203.152.217.34
8 2026-08-12 02:01 639220961848982361
532 ms 203.152.217.34
7 2026-08-12 01:46 639220952784591501
268 ms 203.152.217.34
6 2026-08-12 01:31 639220943893596731
264 ms 203.152.217.34
5 2026-08-12 01:16 639220934954704520
519 ms 203.152.217.34
4 2026-08-12 01:01 639220925792457751
333 ms 203.152.217.34
3 2026-08-12 00:46 639220916610063538
280 ms 203.152.217.34
2 2026-08-12 00:31 639220907229361754
523 ms 203.152.217.34
1 2026-08-12 00:15 639220897896762127
523 ms 203.152.217.34