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 2026-08-10. For this date, NameServerHistory found 161 DNS check records, 158 successful responses, 3 failed responses, and 189 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

161

Historical checks stored for this nameserver on selected date

Average Latency

189 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-10 23:54

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

158

Checks that returned a measurable response

Failed Responses

3

Checks with no response or no returned latency

Failure Rate

2%

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 2026-08-10 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
161 2026-08-10 23:54 639220027366289509
2018 ms 104.17.30.76
160 2026-08-10 23:54 639220027366289509
2018 ms 104.17.29.76
159 2026-08-10 23:39 639220018272941900
19 ms 104.17.30.76
158 2026-08-10 23:39 639220018272941900
19 ms 104.17.29.76
157 2026-08-10 23:23 639220009109892969
14 ms 104.17.30.76
156 2026-08-10 23:23 639220009109892969
14 ms 104.17.29.76
155 2026-08-10 23:08 639220000040489788
506 ms 104.17.29.76
154 2026-08-10 23:08 639220000040489788
506 ms 104.17.30.76
153 2026-08-10 22:53 639219991197135747
2042 ms 104.17.30.76
152 2026-08-10 22:53 639219991197135747
2042 ms 104.17.29.76
151 2026-08-10 22:38 639219982104540014
4 ms 104.17.29.76
150 2026-08-10 22:38 639219982104540014
4 ms 104.17.30.76
149 2026-08-10 22:23 639219973150300215
37 ms 104.17.29.76
148 2026-08-10 22:23 639219973150300215
37 ms 104.17.30.76
147 2026-08-10 22:08 639219964188486697
14 ms 104.17.29.76
146 2026-08-10 22:08 639219964188486697
14 ms 104.17.30.76
145 2026-08-10 21:53 639219954995921784
10 ms 104.17.29.76
144 2026-08-10 21:53 639219954995921784
10 ms 104.17.30.76
143 2026-08-10 21:37 639219945559908104
11 ms 104.17.30.76
142 2026-08-10 21:37 639219945559908104
11 ms 104.17.29.76
141 2026-08-10 20:46 639219914137782273
31 ms 104.17.29.76
140 2026-08-10 20:46 639219914137782273
31 ms 104.17.30.76
139 2026-08-10 20:30 639219904858355064
45 ms 104.17.29.76
138 2026-08-10 20:30 639219904858355064
45 ms 104.17.30.76
137 2026-08-10 20:15 639219895655263396
457 ms 104.17.29.76
136 2026-08-10 20:15 639219895655263396
457 ms 104.17.30.76
135 2026-08-10 19:59 639219886527091074
426 ms 104.17.30.76
134 2026-08-10 19:59 639219886527091074
426 ms 104.17.29.76
133 2026-08-10 19:44 639219877343266628
37 ms 104.17.30.76
132 2026-08-10 19:44 639219877343266628
37 ms 104.17.29.76
131 2026-08-10 19:29 639219868177358195
37 ms 104.17.30.76
130 2026-08-10 19:29 639219868177358195
37 ms 104.17.29.76
129 2026-08-10 19:14 639219859159581515
26 ms 104.17.29.76
128 2026-08-10 19:14 639219859159581515
26 ms 104.17.30.76
127 2026-08-10 18:59 639219850124020182
33 ms 104.17.29.76
126 2026-08-10 18:59 639219850124020182
33 ms 104.17.30.76
125 2026-08-10 18:43 639219840940124840
32 ms 104.17.30.76
124 2026-08-10 18:43 639219840940124840
32 ms 104.17.29.76
123 2026-08-10 18:28 639219831829876486
20 ms 104.17.29.76
122 2026-08-10 18:28 639219831829876486
20 ms 104.17.30.76
121 2026-08-10 18:13 639219822587759143
26 ms 104.17.30.76
120 2026-08-10 18:13 639219822587759143
26 ms 104.17.29.76
119 2026-08-10 17:57 639219813247114428
27 ms 104.17.29.76
118 2026-08-10 17:57 639219813247114428
27 ms 104.17.30.76
117 2026-08-10 17:05 639219781959606396
33 ms 104.17.29.76
116 2026-08-10 17:05 639219781959606396
33 ms 104.17.30.76
115 2026-08-10 16:49 639219772658305431
60 ms 104.17.29.76
114 2026-08-10 16:49 639219772658305431
60 ms 104.17.30.76
113 2026-08-10 16:34 639219763454523027
41 ms 104.17.29.76
112 2026-08-10 16:34 639219763454523027
41 ms 104.17.30.76
111 2026-08-10 16:19 639219754279127815
-
110 2026-08-10 16:03 639219745087467767
29 ms 104.17.30.76
109 2026-08-10 16:03 639219745087467767
29 ms 104.17.29.76
108 2026-08-10 15:48 639219735900678107
52 ms 104.17.30.76
107 2026-08-10 15:48 639219735900678107
52 ms 104.17.29.76
106 2026-08-10 15:32 639219726531461979
10 ms 104.17.30.76
105 2026-08-10 15:32 639219726531461979
10 ms 104.17.29.76
104 2026-08-10 15:17 639219717415222156
29 ms 104.17.29.76
103 2026-08-10 15:17 639219717415222156
29 ms 104.17.30.76
102 2026-08-10 15:02 639219708266470863
38 ms 104.17.30.76
101 2026-08-10 15:02 639219708266470863
38 ms 104.17.29.76
100 2026-08-10 14:47 639219699049479559
34 ms 104.17.30.76
99 2026-08-10 14:47 639219699049479559
34 ms 104.17.29.76
98 2026-08-10 14:31 639219689775815194
25 ms 104.17.30.76
97 2026-08-10 14:31 639219689775815194
25 ms 104.17.29.76
96 2026-08-10 14:16 639219680511810632
41 ms 104.17.30.76
95 2026-08-10 14:16 639219680511810632
41 ms 104.17.29.76
94 2026-08-10 13:24 639219648997191257
41 ms 104.17.29.76
93 2026-08-10 13:24 639219648997191257
41 ms 104.17.30.76
92 2026-08-10 13:09 639219639938909436
53 ms 104.17.30.76
91 2026-08-10 13:09 639219639938909436
53 ms 104.17.29.76
90 2026-08-10 12:54 639219630718286441
11 ms 104.17.29.76
89 2026-08-10 12:54 639219630718286441
11 ms 104.17.30.76
88 2026-08-10 12:38 639219621472350410
53 ms 104.17.30.76
87 2026-08-10 12:38 639219621472350410
53 ms 104.17.29.76
86 2026-08-10 12:23 639219612500421992
30 ms 104.17.30.76
85 2026-08-10 12:23 639219612500421992
30 ms 104.17.29.76
84 2026-08-10 12:08 639219603383833445
68 ms 104.17.29.76
83 2026-08-10 12:08 639219603383833445
68 ms 104.17.30.76
82 2026-08-10 11:53 639219594143823358
12 ms 104.17.29.76
81 2026-08-10 11:53 639219594143823358
12 ms 104.17.30.76
80 2026-08-10 11:37 639219585053166024
15 ms 104.17.29.76
79 2026-08-10 11:37 639219585053166024
15 ms 104.17.30.76
78 2026-08-10 11:22 639219575885776644
24 ms 104.17.30.76
77 2026-08-10 11:22 639219575885776644
24 ms 104.17.29.76
76 2026-08-10 11:07 639219566844532361
13 ms 104.17.30.76
75 2026-08-10 11:07 639219566844532361
13 ms 104.17.29.76
74 2026-08-10 10:52 639219557705808294
37 ms 104.17.30.76
73 2026-08-10 10:52 639219557705808294
37 ms 104.17.29.76
72 2026-08-10 10:36 639219548482688649
22 ms 104.17.30.76
71 2026-08-10 10:36 639219548482688649
22 ms 104.17.29.76
70 2026-08-10 09:44 639219517492763539
-
69 2026-08-10 09:29 639219508755773605
12 ms 104.17.29.76
68 2026-08-10 09:29 639219508755773605
12 ms 104.17.30.76
67 2026-08-10 09:14 639219499852103863
36 ms 104.17.30.76
66 2026-08-10 09:14 639219499852103863
36 ms 104.17.29.76
65 2026-08-10 08:59 639219490893714387
7 ms 104.17.29.76
64 2026-08-10 08:59 639219490893714387
7 ms 104.17.30.76
63 2026-08-10 08:45 639219482299305521
22 ms 104.17.29.76
62 2026-08-10 08:45 639219482299305521
22 ms 104.17.30.76
61 2026-08-10 08:30 639219473613114853
42 ms 104.17.30.76
60 2026-08-10 08:30 639219473613114853
42 ms 104.17.29.76
59 2026-08-10 08:16 639219465061138643
-
58 2026-08-10 08:02 639219456616129015
58 ms 104.17.30.76
57 2026-08-10 08:02 639219456616129015
58 ms 104.17.29.76
56 2026-08-10 07:48 639219447974008557
20 ms 104.17.30.76
55 2026-08-10 07:48 639219447974008557
20 ms 104.17.29.76
54 2026-08-10 07:34 639219439498255213
16 ms 104.17.30.76
53 2026-08-10 07:34 639219439498255213
16 ms 104.17.29.76
52 2026-08-10 07:19 639219430664872256
53 ms 104.17.29.76
51 2026-08-10 07:19 639219430664872256
53 ms 104.17.30.76
50 2026-08-10 07:04 639219421757560037
58 ms 104.17.29.76
49 2026-08-10 07:04 639219421757560037
58 ms 104.17.30.76
48 2026-08-10 06:12 639219390773218684
22 ms 104.17.30.76
47 2026-08-10 06:12 639219390773218684
22 ms 104.17.29.76
46 2026-08-10 05:58 639219382205367722
4 ms 104.17.30.76
45 2026-08-10 05:58 639219382205367722
4 ms 104.17.29.76
44 2026-08-10 05:44 639219373711937615
2047 ms 104.17.29.76
43 2026-08-10 05:44 639219373711937615
2047 ms 104.17.30.76
42 2026-08-10 05:29 639219365088558404
43 ms 104.17.29.76
41 2026-08-10 05:29 639219365088558404
43 ms 104.17.30.76
40 2026-08-10 05:15 639219356348833255
51 ms 104.17.29.76
39 2026-08-10 05:15 639219356348833255
51 ms 104.17.30.76
38 2026-08-10 05:00 639219347860053478
45 ms 104.17.30.76
37 2026-08-10 05:00 639219347860053478
45 ms 104.17.29.76
36 2026-08-10 04:46 639219339173195121
6 ms 104.17.29.76
35 2026-08-10 04:46 639219339173195121
6 ms 104.17.30.76
34 2026-08-10 04:32 639219330642664669
40 ms 104.17.30.76
33 2026-08-10 04:32 639219330642664669
40 ms 104.17.29.76
32 2026-08-10 04:17 639219322058698995
450 ms 104.17.30.76
31 2026-08-10 04:17 639219322058698995
450 ms 104.17.29.76
30 2026-08-10 04:03 639219313564344199
15 ms 104.17.30.76
29 2026-08-10 04:03 639219313564344199
15 ms 104.17.29.76
28 2026-08-10 03:49 639219304775113236
2045 ms 104.17.30.76
27 2026-08-10 03:49 639219304775113236
2045 ms 104.17.29.76
26 2026-08-10 03:34 639219295706181119
12 ms 104.17.29.76
25 2026-08-10 03:34 639219295706181119
12 ms 104.17.30.76
24 2026-08-10 02:42 639219264663923254
17 ms 104.17.29.76
23 2026-08-10 02:42 639219264663923254
17 ms 104.17.30.76
22 2026-08-10 02:27 639219256015178099
455 ms 104.17.30.76
21 2026-08-10 02:27 639219256015178099
455 ms 104.17.29.76
20 2026-08-10 02:13 639219247509540188
17 ms 104.17.29.76
19 2026-08-10 02:13 639219247509540188
17 ms 104.17.30.76
18 2026-08-10 01:59 639219238999539092
19 ms 104.17.30.76
17 2026-08-10 01:59 639219238999539092
19 ms 104.17.29.76
16 2026-08-10 01:45 639219230498823902
59 ms 104.17.30.76
15 2026-08-10 01:45 639219230498823902
59 ms 104.17.29.76
14 2026-08-10 01:30 639219221706460911
12 ms 104.17.30.76
13 2026-08-10 01:30 639219221706460911
12 ms 104.17.29.76
12 2026-08-10 01:16 639219212930606887
2020 ms 104.17.30.76
11 2026-08-10 01:16 639219212930606887
2020 ms 104.17.29.76
10 2026-08-10 01:01 639219204307908525
456 ms 104.17.30.76
9 2026-08-10 01:01 639219204307908525
456 ms 104.17.29.76
8 2026-08-10 00:47 639219195720181470
12 ms 104.17.29.76
7 2026-08-10 00:47 639219195720181470
12 ms 104.17.30.76
6 2026-08-10 00:32 639219186898174002
63 ms 104.17.29.76
5 2026-08-10 00:32 639219186898174002
63 ms 104.17.30.76
4 2026-08-10 00:17 639219178004946976
44 ms 104.17.30.76
3 2026-08-10 00:17 639219178004946976
44 ms 104.17.29.76
2 2026-08-10 00:02 639219168958805474
25 ms 104.17.30.76
1 2026-08-10 00:02 639219168958805474
25 ms 104.17.29.76