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 2026-08-08. For this date, NameServerHistory found 64 DNS check records, 64 successful responses, 0 failed responses, and 250 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

64

Historical checks stored for this nameserver on selected date

Average Latency

250 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-08 23:56

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

64

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 2026-08-08 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
64 2026-08-08 23:56 639218300987184335
35 ms 37.187.249.168
63 2026-08-08 23:41 639218291874134258
2104 ms 37.187.249.168
62 2026-08-08 23:26 639218282817785496
52 ms 37.187.249.168
61 2026-08-08 22:35 639218252106422334
119 ms 37.187.249.168
60 2026-08-08 22:20 639218243323944113
93 ms 37.187.249.168
59 2026-08-08 22:05 639218234397020230
2081 ms 37.187.249.168
58 2026-08-08 21:50 639218225412858763
50 ms 37.187.249.168
57 2026-08-08 20:58 639218194282616684
16 ms 37.187.249.168
56 2026-08-08 20:43 639218185036989606
49 ms 37.187.249.168
55 2026-08-08 20:28 639218175974363575
31 ms 37.187.249.168
54 2026-08-08 20:13 639218166972644815
75 ms 37.187.249.168
53 2026-08-08 19:21 639218135900313734
20 ms 37.187.249.168
52 2026-08-08 19:06 639218127088470726
41 ms 37.187.249.168
51 2026-08-08 18:52 639218118310406743
2033 ms 37.187.249.168
50 2026-08-08 18:37 639218109452520238
28 ms 37.187.249.168
49 2026-08-08 17:45 639218078440804962
46 ms 37.187.249.168
48 2026-08-08 17:31 639218069827056995
50 ms 37.187.249.168
47 2026-08-08 17:16 639218060928974999
41 ms 37.187.249.168
46 2026-08-08 17:01 639218052072104591
81 ms 37.187.249.168
45 2026-08-08 16:09 639218021131612993
46 ms 37.187.249.168
44 2026-08-08 15:55 639218012544891033
300 ms 37.187.249.168
43 2026-08-08 15:40 639218003733822367
16 ms 37.187.249.168
42 2026-08-08 15:25 639217994998349201
42 ms 37.187.249.168
41 2026-08-08 14:33 639217963788814319
51 ms 37.187.249.168
40 2026-08-08 14:19 639217955087396874
40 ms 37.187.249.168
39 2026-08-08 14:04 639217946350294952
2024 ms 37.187.249.168
38 2026-08-08 13:50 639217937526020436
49 ms 37.187.249.168
37 2026-08-08 12:58 639217906769667024
2073 ms 37.187.249.168
36 2026-08-08 12:44 639217898300938849
134 ms 37.187.249.168
35 2026-08-08 12:30 639217889778639925
29 ms 37.187.249.168
34 2026-08-08 12:16 639217881083065140
38 ms 37.187.249.168
33 2026-08-08 11:26 639217850620659312
34 ms 37.187.249.168
32 2026-08-08 11:11 639217841938624907
63 ms 37.187.249.168
31 2026-08-08 10:57 639217833389546843
454 ms 37.187.249.168
30 2026-08-08 10:43 639217824846173945
17 ms 37.187.249.168
29 2026-08-08 09:51 639217793807292972
156 ms 37.187.249.168
28 2026-08-08 09:37 639217785208951403
72 ms 37.187.249.168
27 2026-08-08 09:22 639217776566534942
41 ms 37.187.249.168
26 2026-08-08 09:08 639217767935139326
30 ms 37.187.249.168
25 2026-08-08 08:17 639217737225367411
37 ms 37.187.249.168
24 2026-08-08 08:02 639217728765093674
36 ms 37.187.249.168
23 2026-08-08 07:48 639217720136905586
64 ms 37.187.249.168
22 2026-08-08 07:33 639217711410853004
30 ms 37.187.249.168
21 2026-08-08 06:44 639217680275549698
54 ms 37.187.249.168
20 2026-08-08 06:29 639217671340563867
30 ms 37.187.249.168
19 2026-08-08 06:14 639217662739829952
34 ms 37.187.249.168
18 2026-08-08 06:00 639217654129395144
181 ms 37.187.249.168
17 2026-08-08 05:09 639217623690502934
17 ms 37.187.249.168
16 2026-08-08 04:55 639217615180184169
36 ms 37.187.249.168
15 2026-08-08 04:41 639217606737293244
35 ms 37.187.249.168
14 2026-08-08 04:26 639217598089858483
43 ms 37.187.249.168
13 2026-08-08 03:35 639217567343169140
67 ms 37.187.249.168
12 2026-08-08 03:21 639217558743892856
16 ms 37.187.249.168
11 2026-08-08 03:06 639217550069823359
31 ms 37.187.249.168
10 2026-08-08 02:52 639217541571663863
26 ms 37.187.249.168
9 2026-08-08 02:00 639217510598671918
21 ms 37.187.249.168
8 2026-08-08 01:45 639217501853904641
177 ms 37.187.249.168
7 2026-08-08 01:30 639217492857464038
41 ms 37.187.249.168
6 2026-08-08 01:15 639217483935810845
179 ms 37.187.249.168
5 2026-08-08 01:01 639217475281344873
31 ms 37.187.249.168
4 2026-08-08 00:46 639217466591266473
14 ms 37.187.249.168
3 2026-08-08 00:32 639217457842031506
38 ms 37.187.249.168
2 2026-08-08 00:17 639217449192590684
2016 ms 37.187.249.168
1 2026-08-08 00:03 639217440385817840
11 ms 37.187.249.168