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 2026-08-15. For this date, NameServerHistory found 152 DNS check records, 150 successful responses, 2 failed responses, and 237 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

152

Historical checks stored for this nameserver on selected date

Average Latency

237 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-15 23:55

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

150

Checks that returned a measurable response

Failed Responses

2

Checks with no response or no returned latency

Failure Rate

1%

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 2026-08-15 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
152 2026-08-15 23:55 639224347685767174
4 ms 104.17.30.76
151 2026-08-15 23:55 639224347685767174
4 ms 104.17.29.76
150 2026-08-15 23:40 639224338276675277
7 ms 104.17.29.76
149 2026-08-15 23:40 639224338276675277
7 ms 104.17.30.76
148 2026-08-15 22:47 639224306594546649
4 ms 104.17.30.76
147 2026-08-15 22:47 639224306594546649
4 ms 104.17.29.76
146 2026-08-15 22:31 639224297145423303
477 ms 104.17.30.76
145 2026-08-15 22:31 639224297145423303
477 ms 104.17.29.76
144 2026-08-15 22:16 639224287678238833
5 ms 104.17.30.76
143 2026-08-15 22:16 639224287678238833
5 ms 104.17.29.76
142 2026-08-15 22:00 639224278490872828
33 ms 104.17.30.76
141 2026-08-15 22:00 639224278490872828
33 ms 104.17.29.76
140 2026-08-15 21:45 639224269149307826
9 ms 104.17.29.76
139 2026-08-15 21:45 639224269149307826
9 ms 104.17.30.76
138 2026-08-15 21:29 639224259868597616
11 ms 104.17.29.76
137 2026-08-15 21:29 639224259868597616
11 ms 104.17.30.76
136 2026-08-15 21:14 639224250518642175
12 ms 104.17.29.76
135 2026-08-15 21:14 639224250518642175
12 ms 104.17.30.76
134 2026-08-15 20:58 639224241064772383
16 ms 104.17.29.76
133 2026-08-15 20:58 639224241064772383
16 ms 104.17.30.76
132 2026-08-15 20:42 639224231691099605
75 ms 104.17.29.76
131 2026-08-15 20:42 639224231691099605
75 ms 104.17.30.76
130 2026-08-15 20:27 639224222468168159
2042 ms 104.17.29.76
129 2026-08-15 20:27 639224222468168159
2042 ms 104.17.30.76
128 2026-08-15 20:11 639224213173899635
14 ms 104.17.29.76
127 2026-08-15 20:11 639224213173899635
14 ms 104.17.30.76
126 2026-08-15 19:56 639224203914451783
6 ms 104.17.29.76
125 2026-08-15 19:56 639224203914451783
6 ms 104.17.30.76
124 2026-08-15 19:03 639224172202542163
9 ms 104.17.29.76
123 2026-08-15 19:03 639224172202542163
9 ms 104.17.30.76
122 2026-08-15 18:48 639224163338654093
3 ms 104.17.30.76
121 2026-08-15 18:48 639224163338654093
3 ms 104.17.29.76
120 2026-08-15 18:33 639224154287995374
2049 ms 104.17.30.76
119 2026-08-15 18:33 639224154287995374
2049 ms 104.17.29.76
118 2026-08-15 18:17 639224145118612503
2019 ms 104.17.30.76
117 2026-08-15 18:17 639224145118612503
2019 ms 104.17.29.76
116 2026-08-15 18:02 639224135995990731
29 ms 104.17.29.76
115 2026-08-15 18:02 639224135995990731
29 ms 104.17.30.76
114 2026-08-15 17:48 639224127185332624
29 ms 104.17.30.76
113 2026-08-15 17:48 639224127185332624
29 ms 104.17.29.76
112 2026-08-15 17:32 639224118229289175
40 ms 104.17.30.76
111 2026-08-15 17:32 639224118229289175
40 ms 104.17.29.76
110 2026-08-15 17:18 639224109273796359
30 ms 104.17.30.76
109 2026-08-15 17:18 639224109273796359
30 ms 104.17.29.76
108 2026-08-15 17:03 639224100490805608
7 ms 104.17.30.76
107 2026-08-15 17:03 639224100490805608
7 ms 104.17.29.76
106 2026-08-15 16:48 639224091353714490
2014 ms 104.17.29.76
105 2026-08-15 16:48 639224091353714490
2014 ms 104.17.30.76
104 2026-08-15 16:32 639224082033126828
33 ms 104.17.30.76
103 2026-08-15 16:32 639224082033126828
33 ms 104.17.29.76
102 2026-08-15 16:17 639224072736962403
20 ms 104.17.29.76
101 2026-08-15 16:17 639224072736962403
20 ms 104.17.30.76
100 2026-08-15 15:24 639224041475563754
2018 ms 104.17.30.76
99 2026-08-15 15:24 639224041475563754
2018 ms 104.17.29.76
98 2026-08-15 15:09 639224032345604453
75 ms 104.17.29.76
97 2026-08-15 15:09 639224032345604453
75 ms 104.17.30.76
96 2026-08-15 14:53 639224023169497283
21 ms 104.17.29.76
95 2026-08-15 14:53 639224023169497283
21 ms 104.17.30.76
94 2026-08-15 14:38 639224013981146405
18 ms 104.17.29.76
93 2026-08-15 14:38 639224013981146405
18 ms 104.17.30.76
92 2026-08-15 14:23 639224004883412586
3031 ms 104.17.29.76
91 2026-08-15 14:23 639224004883412586
3031 ms 104.17.30.76
90 2026-08-15 14:08 639223995612880615
-
89 2026-08-15 13:52 639223986271830789
28 ms 104.17.30.76
88 2026-08-15 13:52 639223986271830789
28 ms 104.17.29.76
87 2026-08-15 13:37 639223977005780949
9 ms 104.17.29.76
86 2026-08-15 13:37 639223977005780949
9 ms 104.17.30.76
85 2026-08-15 13:21 639223967653137793
12 ms 104.17.30.76
84 2026-08-15 13:21 639223967653137793
12 ms 104.17.29.76
83 2026-08-15 13:05 639223958286010799
11 ms 104.17.29.76
82 2026-08-15 13:05 639223958286010799
11 ms 104.17.30.76
81 2026-08-15 12:50 639223948936108345
16 ms 104.17.30.76
80 2026-08-15 12:50 639223948936108345
16 ms 104.17.29.76
79 2026-08-15 12:34 639223939673066880
58 ms 104.17.30.76
78 2026-08-15 12:34 639223939673066880
58 ms 104.17.29.76
77 2026-08-15 11:42 639223908317760530
10 ms 104.17.30.76
76 2026-08-15 11:42 639223908317760530
10 ms 104.17.29.76
75 2026-08-15 11:26 639223898992594258
17 ms 104.17.29.76
74 2026-08-15 11:26 639223898992594258
17 ms 104.17.30.76
73 2026-08-15 11:11 639223889761312823
479 ms 104.17.30.76
72 2026-08-15 11:11 639223889761312823
479 ms 104.17.29.76
71 2026-08-15 10:56 639223880359273507
-
70 2026-08-15 10:40 639223870920466808
40 ms 104.17.30.76
69 2026-08-15 10:40 639223870920466808
40 ms 104.17.29.76
68 2026-08-15 10:24 639223861579762179
16 ms 104.17.29.76
67 2026-08-15 10:24 639223861579762179
16 ms 104.17.30.76
66 2026-08-15 10:08 639223852238616009
36 ms 104.17.30.76
65 2026-08-15 10:08 639223852238616009
36 ms 104.17.29.76
64 2026-08-15 09:53 639223843019815620
22 ms 104.17.30.76
63 2026-08-15 09:53 639223843019815620
22 ms 104.17.29.76
62 2026-08-15 09:37 639223833669915012
21 ms 104.17.30.76
61 2026-08-15 09:37 639223833669915012
21 ms 104.17.29.76
60 2026-08-15 09:22 639223824494613222
43 ms 104.17.30.76
59 2026-08-15 09:22 639223824494613222
43 ms 104.17.29.76
58 2026-08-15 09:06 639223815116325293
16 ms 104.17.29.76
57 2026-08-15 09:06 639223815116325293
16 ms 104.17.30.76
56 2026-08-15 08:51 639223805493870221
18 ms 104.17.30.76
55 2026-08-15 08:51 639223805493870221
18 ms 104.17.29.76
54 2026-08-15 07:58 639223774218660438
12 ms 104.17.30.76
53 2026-08-15 07:58 639223774218660438
12 ms 104.17.29.76
52 2026-08-15 07:43 639223764663090372
9 ms 104.17.30.76
51 2026-08-15 07:43 639223764663090372
9 ms 104.17.29.76
50 2026-08-15 07:27 639223755338811400
22 ms 104.17.29.76
49 2026-08-15 07:27 639223755338811400
22 ms 104.17.30.76
48 2026-08-15 07:12 639223746019193268
30 ms 104.17.30.76
47 2026-08-15 07:12 639223746019193268
30 ms 104.17.29.76
46 2026-08-15 06:56 639223736658778104
46 ms 104.17.29.76
45 2026-08-15 06:56 639223736658778104
46 ms 104.17.30.76
44 2026-08-15 06:40 639223727330194499
57 ms 104.17.29.76
43 2026-08-15 06:40 639223727330194499
57 ms 104.17.30.76
42 2026-08-15 06:25 639223717848514742
23 ms 104.17.29.76
41 2026-08-15 06:25 639223717848514742
23 ms 104.17.30.76
40 2026-08-15 06:09 639223708284754056
2011 ms 104.17.30.76
39 2026-08-15 06:09 639223708284754056
2011 ms 104.17.29.76
38 2026-08-15 05:53 639223699061259933
16 ms 104.17.30.76
37 2026-08-15 05:53 639223699061259933
16 ms 104.17.29.76
36 2026-08-15 05:37 639223689592545140
32 ms 104.17.29.76
35 2026-08-15 05:37 639223689592545140
32 ms 104.17.30.76
34 2026-08-15 05:22 639223680143410810
27 ms 104.17.30.76
33 2026-08-15 05:22 639223680143410810
27 ms 104.17.29.76
32 2026-08-15 05:06 639223670514517104
21 ms 104.17.29.76
31 2026-08-15 05:06 639223670514517104
21 ms 104.17.30.76
30 2026-08-15 04:13 639223638855054294
15 ms 104.17.30.76
29 2026-08-15 04:13 639223638855054294
15 ms 104.17.29.76
28 2026-08-15 03:58 639223629623335972
50 ms 104.17.29.76
27 2026-08-15 03:58 639223629623335972
50 ms 104.17.30.76
26 2026-08-15 03:42 639223620390189495
12 ms 104.17.30.76
25 2026-08-15 03:42 639223620390189495
12 ms 104.17.29.76
24 2026-08-15 03:27 639223610916950440
42 ms 104.17.29.76
23 2026-08-15 03:27 639223610916950440
42 ms 104.17.30.76
22 2026-08-15 03:11 639223601597759168
11 ms 104.17.29.76
21 2026-08-15 03:11 639223601597759168
11 ms 104.17.30.76
20 2026-08-15 02:56 639223592342172093
95 ms 104.17.29.76
19 2026-08-15 02:56 639223592342172093
95 ms 104.17.30.76
18 2026-08-15 02:41 639223583324121497
40 ms 104.17.30.76
17 2026-08-15 02:41 639223583324121497
40 ms 104.17.29.76
16 2026-08-15 02:25 639223574086714218
23 ms 104.17.30.76
15 2026-08-15 02:25 639223574086714218
23 ms 104.17.29.76
14 2026-08-15 02:10 639223564698424889
20 ms 104.17.30.76
13 2026-08-15 02:10 639223564698424889
20 ms 104.17.29.76
12 2026-08-15 01:54 639223555408664206
12 ms 104.17.29.76
11 2026-08-15 01:54 639223555408664206
12 ms 104.17.30.76
10 2026-08-15 01:38 639223546000912416
29 ms 104.17.29.76
9 2026-08-15 01:38 639223546000912416
29 ms 104.17.30.76
8 2026-08-15 01:23 639223536550774847
39 ms 104.17.29.76
7 2026-08-15 01:23 639223536550774847
39 ms 104.17.30.76
6 2026-08-15 00:31 639223505017205611
43 ms 104.17.30.76
5 2026-08-15 00:31 639223505017205611
43 ms 104.17.29.76
4 2026-08-15 00:15 639223495784410207
32 ms 104.17.30.76
3 2026-08-15 00:15 639223495784410207
32 ms 104.17.29.76
2 2026-08-15 00:00 639223486524583054
19 ms 104.17.29.76
1 2026-08-15 00:00 639223486524583054
19 ms 104.17.30.76