DNS response history for sys005.zserver.cz

sys005.zserver.cz 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 2026-08-27. For this date, NameServerHistory found 57 DNS check records, 57 successful responses, 0 failed responses, and 177 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 sys005.zserver.cz.
Records on Selected Date

57

Historical checks stored for this nameserver on selected date

Average Latency

177 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-27 18:43

All timestamps shown in UTC

Latest Resolved IP on Selected Date

37.187.249.168

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 sys005.zserver.cz

Showing DNS history for 2026-08-27 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 2026-08-27 18:43 639234525107594067
35 ms 37.187.249.168
56 2026-08-27 18:26 639234514890244566
34 ms 37.187.249.168
55 2026-08-27 18:09 639234504745477862
57 ms 37.187.249.168
54 2026-08-27 17:52 639234494449227290
36 ms 37.187.249.168
53 2026-08-27 17:34 639234484118025686
38 ms 37.187.249.168
52 2026-08-27 17:17 639234473946362077
17 ms 37.187.249.168
51 2026-08-27 17:00 639234463759124388
36 ms 37.187.249.168
50 2026-08-27 16:43 639234453500759178
18 ms 37.187.249.168
49 2026-08-27 16:26 639234442983541638
37 ms 37.187.249.168
48 2026-08-27 16:08 639234432404354562
17 ms 37.187.249.168
47 2026-08-27 15:14 639234399767719119
20 ms 37.187.249.168
46 2026-08-27 14:57 639234389460601485
45 ms 37.187.249.168
45 2026-08-27 14:40 639234379227178707
38 ms 37.187.249.168
44 2026-08-27 14:22 639234369065315214
21 ms 37.187.249.168
43 2026-08-27 14:06 639234358825501576
2059 ms 37.187.249.168
42 2026-08-27 13:48 639234348572745268
2032 ms 37.187.249.168
41 2026-08-27 13:31 639234338264503481
42 ms 37.187.249.168
40 2026-08-27 13:14 639234327818741376
17 ms 37.187.249.168
39 2026-08-27 12:57 639234317475724313
30 ms 37.187.249.168
38 2026-08-27 12:39 639234307007468133
130 ms 37.187.249.168
37 2026-08-27 12:22 639234296664302575
32 ms 37.187.249.168
36 2026-08-27 12:04 639234286253196126
64 ms 37.187.249.168
35 2026-08-27 11:11 639234253963286387
41 ms 37.187.249.168
34 2026-08-27 10:54 639234243654907465
35 ms 37.187.249.168
33 2026-08-27 10:36 639234233269654413
35 ms 37.187.249.168
32 2026-08-27 10:19 639234222943951923
22 ms 37.187.249.168
31 2026-08-27 10:02 639234212558002823
17 ms 37.187.249.168
30 2026-08-27 09:44 639234202117531850
55 ms 37.187.249.168
29 2026-08-27 09:27 639234191649612722
197 ms 37.187.249.168
28 2026-08-27 09:09 639234181105879568
18 ms 37.187.249.168
27 2026-08-27 08:52 639234170713214496
17 ms 37.187.249.168
26 2026-08-27 08:35 639234160341037652
2014 ms 37.187.249.168
25 2026-08-27 08:17 639234149799404224
18 ms 37.187.249.168
24 2026-08-27 08:00 639234139553286469
55 ms 37.187.249.168
23 2026-08-27 07:06 639234107183588293
18 ms 37.187.249.168
22 2026-08-27 06:49 639234096905435724
18 ms 37.187.249.168
21 2026-08-27 06:32 639234086579410775
2025 ms 37.187.249.168
20 2026-08-27 06:15 639234076291157956
19 ms 37.187.249.168
19 2026-08-27 05:58 639234065981939454
42 ms 37.187.249.168
18 2026-08-27 05:40 639234055548642997
20 ms 37.187.249.168
17 2026-08-27 05:23 639234045267979603
30 ms 37.187.249.168
16 2026-08-27 05:06 639234034999717463
15 ms 37.187.249.168
15 2026-08-27 04:49 639234024739225358
160 ms 37.187.249.168
14 2026-08-27 04:32 639234014311170162
27 ms 37.187.249.168
13 2026-08-27 04:14 639234003806017640
36 ms 37.187.249.168
12 2026-08-27 03:56 639233993356203030
16 ms 37.187.249.168
11 2026-08-27 03:03 639233961301716608
17 ms 37.187.249.168
10 2026-08-27 02:46 639233950834200647
36 ms 37.187.249.168
9 2026-08-27 02:28 639233940431849026
23 ms 37.187.249.168
8 2026-08-27 02:11 639233930110596398
30 ms 37.187.249.168
7 2026-08-27 01:54 639233919705434540
15 ms 37.187.249.168
6 2026-08-27 01:37 639233909452807845
16 ms 37.187.249.168
5 2026-08-27 01:20 639233899096420820
17 ms 37.187.249.168
4 2026-08-27 01:02 639233888707824939
33 ms 37.187.249.168
3 2026-08-27 00:45 639233878461203802
27 ms 37.187.249.168
2 2026-08-27 00:28 639233868060868209
28 ms 37.187.249.168
1 2026-08-27 00:10 639233857450922991
16 ms 37.187.249.168