DNS response history for z.com

z.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 124 DNS check records, 124 successful responses, 0 failed responses, and 178 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 z.com.
Records on Selected Date

124

Historical checks stored for this nameserver on selected date

Average Latency

178 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-12 23:51

All timestamps shown in UTC

Latest Resolved IP on Selected Date

104.17.30.76

Most recently resolved hosting IP on selected date

Successful Responses

124

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 z.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
124 2026-08-12 23:51 639221753022017039
59 ms 104.17.30.76
123 2026-08-12 23:51 639221753022017039
59 ms 104.17.29.76
122 2026-08-12 23:36 639221744107644868
3 ms 104.17.29.76
121 2026-08-12 23:36 639221744107644868
3 ms 104.17.30.76
120 2026-08-12 23:21 639221735030187244
455 ms 104.17.30.76
119 2026-08-12 23:21 639221735030187244
455 ms 104.17.29.76
118 2026-08-12 23:05 639221725815508109
70 ms 104.17.29.76
117 2026-08-12 23:05 639221725815508109
70 ms 104.17.30.76
116 2026-08-12 22:14 639221694790955973
39 ms 104.17.29.76
115 2026-08-12 22:14 639221694790955973
39 ms 104.17.30.76
114 2026-08-12 21:59 639221685562451720
19 ms 104.17.29.76
113 2026-08-12 21:59 639221685562451720
19 ms 104.17.30.76
112 2026-08-12 21:43 639221676023655289
7 ms 104.17.30.76
111 2026-08-12 21:43 639221676023655289
7 ms 104.17.29.76
110 2026-08-12 21:27 639221666449119409
10 ms 104.17.29.76
109 2026-08-12 21:27 639221666449119409
10 ms 104.17.30.76
108 2026-08-12 20:35 639221635456432556
11 ms 104.17.29.76
107 2026-08-12 20:35 639221635456432556
11 ms 104.17.30.76
106 2026-08-12 20:20 639221626313054202
12 ms 104.17.29.76
105 2026-08-12 20:20 639221626313054202
12 ms 104.17.30.76
104 2026-08-12 20:05 639221617091958857
11 ms 104.17.30.76
103 2026-08-12 20:05 639221617091958857
11 ms 104.17.29.76
102 2026-08-12 19:49 639221607786737151
17 ms 104.17.29.76
101 2026-08-12 19:49 639221607786737151
17 ms 104.17.30.76
100 2026-08-12 18:58 639221576664330059
15 ms 104.17.29.76
99 2026-08-12 18:58 639221576664330059
15 ms 104.17.30.76
98 2026-08-12 18:42 639221567514216674
465 ms 104.17.29.76
97 2026-08-12 18:42 639221567514216674
465 ms 104.17.30.76
96 2026-08-12 18:27 639221558399762524
36 ms 104.17.30.76
95 2026-08-12 18:27 639221558399762524
36 ms 104.17.29.76
94 2026-08-12 18:11 639221549052016282
65 ms 104.17.29.76
93 2026-08-12 18:11 639221549052016282
65 ms 104.17.30.76
92 2026-08-12 17:19 639221517673834934
23 ms 104.17.29.76
91 2026-08-12 17:19 639221517673834934
23 ms 104.17.30.76
90 2026-08-12 17:03 639221508282311633
16 ms 104.17.30.76
89 2026-08-12 17:03 639221508282311633
16 ms 104.17.29.76
88 2026-08-12 16:47 639221498786324983
2011 ms 104.17.30.76
87 2026-08-12 16:47 639221498786324983
2011 ms 104.17.29.76
86 2026-08-12 16:32 639221489157589737
6 ms 104.17.30.76
85 2026-08-12 16:32 639221489157589737
6 ms 104.17.29.76
84 2026-08-12 15:39 639221457655914645
21 ms 104.17.30.76
83 2026-08-12 15:39 639221457655914645
21 ms 104.17.29.76
82 2026-08-12 15:23 639221448164090526
32 ms 104.17.29.76
81 2026-08-12 15:23 639221448164090526
32 ms 104.17.30.76
80 2026-08-12 15:07 639221438725783630
2125 ms 104.17.30.76
79 2026-08-12 15:07 639221438725783630
2125 ms 104.17.29.76
78 2026-08-12 14:51 639221429178071087
15 ms 104.17.29.76
77 2026-08-12 14:51 639221429178071087
15 ms 104.17.30.76
76 2026-08-12 13:59 639221397761278719
25 ms 104.17.29.76
75 2026-08-12 13:59 639221397761278719
25 ms 104.17.30.76
74 2026-08-12 13:43 639221388200567278
8 ms 104.17.30.76
73 2026-08-12 13:43 639221388200567278
8 ms 104.17.29.76
72 2026-08-12 13:27 639221378483570949
48 ms 104.17.30.76
71 2026-08-12 13:27 639221378483570949
48 ms 104.17.29.76
70 2026-08-12 13:11 639221368872360139
32 ms 104.17.29.76
69 2026-08-12 13:11 639221368872360139
32 ms 104.17.30.76
68 2026-08-12 12:18 639221337226647415
38 ms 104.17.29.76
67 2026-08-12 12:18 639221337226647415
38 ms 104.17.30.76
66 2026-08-12 12:02 639221327924087446
36 ms 104.17.30.76
65 2026-08-12 12:02 639221327924087446
36 ms 104.17.29.76
64 2026-08-12 11:46 639221318096976375
2018 ms 104.17.29.76
63 2026-08-12 11:46 639221318096976375
2018 ms 104.17.30.76
62 2026-08-12 11:30 639221308343145274
18 ms 104.17.29.76
61 2026-08-12 11:30 639221308343145274
18 ms 104.17.30.76
60 2026-08-12 10:38 639221277089610470
19 ms 104.17.30.76
59 2026-08-12 10:38 639221277089610470
19 ms 104.17.29.76
58 2026-08-12 10:22 639221267628136359
27 ms 104.17.30.76
57 2026-08-12 10:22 639221267628136359
27 ms 104.17.29.76
56 2026-08-12 10:06 639221257907569952
16 ms 104.17.30.76
55 2026-08-12 10:06 639221257907569952
16 ms 104.17.29.76
54 2026-08-12 09:50 639221248402420965
25 ms 104.17.29.76
53 2026-08-12 09:50 639221248402420965
25 ms 104.17.30.76
52 2026-08-12 08:57 639221216797540533
7 ms 104.17.29.76
51 2026-08-12 08:57 639221216797540533
7 ms 104.17.30.76
50 2026-08-12 08:42 639221207385792352
8 ms 104.17.29.76
49 2026-08-12 08:42 639221207385792352
8 ms 104.17.30.76
48 2026-08-12 08:26 639221198078534844
38 ms 104.17.30.76
47 2026-08-12 08:26 639221198078534844
38 ms 104.17.29.76
46 2026-08-12 08:11 639221188677585577
2041 ms 104.17.29.76
45 2026-08-12 08:11 639221188677585577
2041 ms 104.17.30.76
44 2026-08-12 07:19 639221157276484143
47 ms 104.17.30.76
43 2026-08-12 07:19 639221157276484143
47 ms 104.17.29.76
42 2026-08-12 07:03 639221147876262183
44 ms 104.17.29.76
41 2026-08-12 07:03 639221147876262183
44 ms 104.17.30.76
40 2026-08-12 06:47 639221138388812469
53 ms 104.17.29.76
39 2026-08-12 06:47 639221138388812469
53 ms 104.17.30.76
38 2026-08-12 06:32 639221128987381118
37 ms 104.17.29.76
37 2026-08-12 06:32 639221128987381118
37 ms 104.17.30.76
36 2026-08-12 05:40 639221097816416095
30 ms 104.17.29.76
35 2026-08-12 05:40 639221097816416095
30 ms 104.17.30.76
34 2026-08-12 05:24 639221088508065616
8 ms 104.17.30.76
33 2026-08-12 05:24 639221088508065616
8 ms 104.17.29.76
32 2026-08-12 05:09 639221079092308503
16 ms 104.17.29.76
31 2026-08-12 05:09 639221079092308503
16 ms 104.17.30.76
30 2026-08-12 04:53 639221069595873597
19 ms 104.17.30.76
29 2026-08-12 04:53 639221069595873597
19 ms 104.17.29.76
28 2026-08-12 04:01 639221038601577496
16 ms 104.17.29.76
27 2026-08-12 04:01 639221038601577496
16 ms 104.17.30.76
26 2026-08-12 03:46 639221029533901299
55 ms 104.17.29.76
25 2026-08-12 03:46 639221029533901299
55 ms 104.17.30.76
24 2026-08-12 03:31 639221020333828965
14 ms 104.17.30.76
23 2026-08-12 03:31 639221020333828965
14 ms 104.17.29.76
22 2026-08-12 03:15 639221011110510484
31 ms 104.17.30.76
21 2026-08-12 03:15 639221011110510484
31 ms 104.17.29.76
20 2026-08-12 02:24 639220979815209769
36 ms 104.17.29.76
19 2026-08-12 02:24 639220979815209769
36 ms 104.17.30.76
18 2026-08-12 02:09 639220970971410921
41 ms 104.17.30.76
17 2026-08-12 02:09 639220970971410921
41 ms 104.17.29.76
16 2026-08-12 01:54 639220961848982361
22 ms 104.17.30.76
15 2026-08-12 01:54 639220961848982361
22 ms 104.17.29.76
14 2026-08-12 01:39 639220952784591501
23 ms 104.17.29.76
13 2026-08-12 01:39 639220952784591501
23 ms 104.17.30.76
12 2026-08-12 01:24 639220943893596731
45 ms 104.17.29.76
11 2026-08-12 01:24 639220943893596731
45 ms 104.17.30.76
10 2026-08-12 01:09 639220934954704520
7 ms 104.17.30.76
9 2026-08-12 01:09 639220934954704520
7 ms 104.17.29.76
8 2026-08-12 00:54 639220925792457751
491 ms 104.17.30.76
7 2026-08-12 00:54 639220925792457751
491 ms 104.17.29.76
6 2026-08-12 00:38 639220916610063538
11 ms 104.17.29.76
5 2026-08-12 00:38 639220916610063538
11 ms 104.17.30.76
4 2026-08-12 00:23 639220907229361754
19 ms 104.17.30.76
3 2026-08-12 00:23 639220907229361754
19 ms 104.17.29.76
2 2026-08-12 00:07 639220897896762127
4 ms 104.17.29.76
1 2026-08-12 00:07 639220897896762127
4 ms 104.17.30.76