DNS response history for ns1.czero.it

ns1.czero.it 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, 55 successful responses, 2 failed responses, and 124 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 ns1.czero.it.
Records on Selected Date

57

Historical checks stored for this nameserver on selected date

Average Latency

124 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-20 23:12

All timestamps shown in UTC

Latest Resolved IP on Selected Date

154.56.221.65

Most recently resolved hosting IP on selected date

Successful Responses

55

Checks that returned a measurable response

Failed Responses

2

Checks with no response or no returned latency

Failure Rate

4%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns1.czero.it

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 23:12 639228639850033448
28 ms 154.56.221.65
56 2026-08-20 22:55 639228630204271870
31 ms 154.56.221.65
55 2026-08-20 22:39 639228620295091135
27 ms 154.56.221.65
54 2026-08-20 22:22 639228610298336915
42 ms 154.56.221.65
53 2026-08-20 21:30 639228578917047616
31 ms 154.56.221.65
52 2026-08-20 21:14 639228569046445709
31 ms 154.56.221.65
51 2026-08-20 20:57 639228558946830986
57 ms 154.56.221.65
50 2026-08-20 20:40 639228548977359217
50 ms 154.56.221.65
49 2026-08-20 19:48 639228517494157668
60 ms 154.56.221.65
48 2026-08-20 19:31 639228507374116892
114 ms 154.56.221.65
47 2026-08-20 19:14 639228497315154893
2043 ms 154.56.221.65
46 2026-08-20 18:57 639228487287648341
100 ms 154.56.221.65
45 2026-08-20 18:05 639228455828123788
-
44 2026-08-20 17:48 639228445900082244
83 ms 154.56.221.65
43 2026-08-20 17:32 639228435866352323
55 ms 154.56.221.65
42 2026-08-20 17:15 639228425802273151
31 ms 154.56.221.65
41 2026-08-20 16:21 639228393616324230
47 ms 154.56.221.65
40 2026-08-20 16:05 639228383590408693
80 ms 154.56.221.65
39 2026-08-20 15:48 639228373471467474
14 ms 154.56.221.65
38 2026-08-20 15:31 639228363426647311
37 ms 154.56.221.65
37 2026-08-20 14:38 639228331681701910
76 ms 154.56.221.65
36 2026-08-20 14:21 639228321714746824
85 ms 154.56.221.65
35 2026-08-20 14:05 639228311652090262
30 ms 154.56.221.65
34 2026-08-20 13:48 639228301670088587
66 ms 154.56.221.65
33 2026-08-20 12:55 639228269987976710
37 ms 154.56.221.65
32 2026-08-20 12:38 639228260009452308
42 ms 154.56.221.65
31 2026-08-20 12:21 639228249661740894
78 ms 154.56.221.65
30 2026-08-20 12:04 639228239552680346
34 ms 154.56.221.65
29 2026-08-20 11:11 639228207667580819
36 ms 154.56.221.65
28 2026-08-20 10:54 639228197494011560
39 ms 154.56.221.65
27 2026-08-20 10:38 639228187497039939
54 ms 154.56.221.65
26 2026-08-20 10:21 639228177408432646
56 ms 154.56.221.65
25 2026-08-20 09:29 639228146356166262
45 ms 154.56.221.65
24 2026-08-20 09:13 639228136541505712
12 ms 154.56.221.65
23 2026-08-20 08:56 639228126519136598
89 ms 154.56.221.65
22 2026-08-20 08:39 639228116537148885
12 ms 154.56.221.65
21 2026-08-20 07:47 639228085320764351
35 ms 154.56.221.65
20 2026-08-20 07:31 639228075444604839
16 ms 154.56.221.65
19 2026-08-20 07:15 639228065615498985
48 ms 154.56.221.65
18 2026-08-20 06:58 639228055675321422
59 ms 154.56.221.65
17 2026-08-20 06:06 639228024230839396
29 ms 154.56.221.65
16 2026-08-20 05:50 639228014720406505
33 ms 154.56.221.65
15 2026-08-20 05:33 639228004930827030
31 ms 154.56.221.65
14 2026-08-20 05:17 639227995103340154
54 ms 154.56.221.65
13 2026-08-20 04:25 639227963811374894
12 ms 154.56.221.65
12 2026-08-20 04:09 639227954132571365
-
11 2026-08-20 03:53 639227944541208342
38 ms 154.56.221.65
10 2026-08-20 03:36 639227934657213484
34 ms 154.56.221.65
9 2026-08-20 02:44 639227903628145469
16 ms 154.56.221.65
8 2026-08-20 02:29 639227893995483475
53 ms 154.56.221.65
7 2026-08-20 02:12 639227884280244209
44 ms 154.56.221.65
6 2026-08-20 01:56 639227874371147132
2125 ms 154.56.221.65
5 2026-08-20 01:04 639227843224256432
56 ms 154.56.221.65
4 2026-08-20 00:48 639227833720403506
68 ms 154.56.221.65
3 2026-08-20 00:32 639227824170728278
160 ms 154.56.221.65
2 2026-08-20 00:17 639227814865867570
40 ms 154.56.221.65
1 2026-08-20 00:01 639227805445376839
109 ms 154.56.221.65