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 2026-08-17. For this date, NameServerHistory found 72 DNS check records, 72 successful responses, 0 failed responses, and 435 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

72

Historical checks stored for this nameserver on selected date

Average Latency

435 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-17 23:59

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

72

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 2026-08-17 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
72 2026-08-17 23:59 639226072268080268
540 ms 203.152.217.34
71 2026-08-17 23:43 639226062577647657
536 ms 203.152.217.34
70 2026-08-17 22:51 639226031060857136
538 ms 203.152.217.34
69 2026-08-17 22:35 639226021535117364
336 ms 203.152.217.34
68 2026-08-17 22:19 639226011884237078
284 ms 203.152.217.34
67 2026-08-17 22:03 639226002309299142
338 ms 203.152.217.34
66 2026-08-17 21:47 639225992791784448
544 ms 203.152.217.34
65 2026-08-17 21:31 639225983045271390
545 ms 203.152.217.34
64 2026-08-17 21:14 639225973246293513
275 ms 203.152.217.34
63 2026-08-17 20:58 639225963620186236
536 ms 203.152.217.34
62 2026-08-17 20:42 639225953899183916
272 ms 203.152.217.34
61 2026-08-17 20:26 639225944391528206
540 ms 203.152.217.34
60 2026-08-17 20:10 639225934593254169
543 ms 203.152.217.34
59 2026-08-17 19:54 639225924669984512
540 ms 203.152.217.34
58 2026-08-17 19:00 639225893048561320
279 ms 203.152.217.34
57 2026-08-17 18:44 639225883481298424
544 ms 203.152.217.34
56 2026-08-17 18:29 639225873845394034
10 ms 203.152.217.34
55 2026-08-17 18:12 639225864216078662
275 ms 203.152.217.34
54 2026-08-17 17:56 639225854541857773
537 ms 203.152.217.34
53 2026-08-17 17:40 639225844733604072
662 ms 203.152.217.34
52 2026-08-17 17:24 639225835085229232
544 ms 203.152.217.34
51 2026-08-17 17:08 639225825349373981
538 ms 203.152.217.34
50 2026-08-17 16:51 639225815690604161
3 ms 203.152.217.34
49 2026-08-17 16:36 639225805952472306
3 ms 203.152.217.34
48 2026-08-17 16:19 639225796264729638
537 ms 203.152.217.34
47 2026-08-17 16:03 639225786326499329
546 ms 203.152.217.34
46 2026-08-17 15:10 639225754798130711
540 ms 203.152.217.34
45 2026-08-17 14:54 639225745123193922
540 ms 203.152.217.34
44 2026-08-17 14:38 639225735540597271
543 ms 203.152.217.34
43 2026-08-17 14:22 639225725894857396
275 ms 203.152.217.34
42 2026-08-17 14:06 639225716249606913
547 ms 203.152.217.34
41 2026-08-17 13:50 639225706638238179
543 ms 203.152.217.34
40 2026-08-17 13:34 639225696949691423
3 ms 203.152.217.34
39 2026-08-17 13:18 639225687286186336
537 ms 203.152.217.34
38 2026-08-17 13:01 639225677679573133
3 ms 203.152.217.34
37 2026-08-17 12:45 639225667957861024
542 ms 203.152.217.34
36 2026-08-17 12:29 639225658298791618
549 ms 203.152.217.34
35 2026-08-17 12:13 639225648583652785
536 ms 203.152.217.34
34 2026-08-17 11:20 639225617000524308
283 ms 203.152.217.34
33 2026-08-17 11:05 639225607668541600
539 ms 203.152.217.34
32 2026-08-17 10:49 639225598117279238
541 ms 203.152.217.34
31 2026-08-17 10:33 639225588751002710
536 ms 203.152.217.34
30 2026-08-17 10:17 639225579295831051
545 ms 203.152.217.34
29 2026-08-17 10:01 639225569761469940
279 ms 203.152.217.34
28 2026-08-17 09:45 639225560161422333
538 ms 203.152.217.34
27 2026-08-17 09:30 639225550739955565
537 ms 203.152.217.34
26 2026-08-17 09:14 639225541125222426
539 ms 203.152.217.34
25 2026-08-17 08:58 639225531526675983
283 ms 203.152.217.34
24 2026-08-17 08:42 639225521915528222
542 ms 203.152.217.34
23 2026-08-17 08:25 639225512148151789
537 ms 203.152.217.34
22 2026-08-17 07:33 639225480786142412
291 ms 203.152.217.34
21 2026-08-17 07:17 639225471394348551
538 ms 203.152.217.34
20 2026-08-17 07:02 639225462031685068
4 ms 203.152.217.34
19 2026-08-17 06:46 639225452639458328
535 ms 203.152.217.34
18 2026-08-17 06:30 639225443300966543
4 ms 203.152.217.34
17 2026-08-17 06:15 639225433880499379
544 ms 203.152.217.34
16 2026-08-17 05:59 639225424395198277
373 ms 203.152.217.34
15 2026-08-17 05:43 639225414744137487
538 ms 203.152.217.34
14 2026-08-17 05:27 639225405186783164
536 ms 203.152.217.34
13 2026-08-17 05:11 639225395563669822
536 ms 203.152.217.34
12 2026-08-17 04:55 639225386076645158
538 ms 203.152.217.34
11 2026-08-17 04:39 639225376620669704
539 ms 203.152.217.34
10 2026-08-17 03:48 639225345580892706
538 ms 203.152.217.34
9 2026-08-17 03:32 639225336207383710
340 ms 203.152.217.34
8 2026-08-17 03:16 639225326726565001
538 ms 203.152.217.34
7 2026-08-17 03:00 639225317249271010
282 ms 203.152.217.34
6 2026-08-17 02:09 639225286280886044
540 ms 203.152.217.34
5 2026-08-17 01:53 639225276872567548
544 ms 203.152.217.34
4 2026-08-17 01:37 639225267353865348
538 ms 203.152.217.34
3 2026-08-17 01:22 639225258033914248
537 ms 203.152.217.34
2 2026-08-17 00:30 639225226652221583
279 ms 203.152.217.34
1 2026-08-17 00:14 639225217156387684
537 ms 203.152.217.34