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 2026-08-19. For this date, NameServerHistory found 150 DNS check records, 150 successful responses, 0 failed responses, and 204 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

150

Historical checks stored for this nameserver on selected date

Average Latency

204 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:58

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

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 2026-08-19 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
150 2026-08-19 23:58 639227805445376839
35 ms 104.17.30.76
149 2026-08-19 23:58 639227805445376839
35 ms 104.17.29.76
148 2026-08-19 23:42 639227795899225951
32 ms 104.17.29.76
147 2026-08-19 23:42 639227795899225951
32 ms 104.17.30.76
146 2026-08-19 23:26 639227786351762008
2017 ms 104.17.30.76
145 2026-08-19 23:26 639227786351762008
2017 ms 104.17.29.76
144 2026-08-19 23:10 639227776640591733
31 ms 104.17.30.76
143 2026-08-19 23:10 639227776640591733
31 ms 104.17.29.76
142 2026-08-19 22:54 639227767128841282
28 ms 104.17.30.76
141 2026-08-19 22:54 639227767128841282
28 ms 104.17.29.76
140 2026-08-19 22:38 639227757477304711
21 ms 104.17.30.76
139 2026-08-19 22:38 639227757477304711
21 ms 104.17.29.76
138 2026-08-19 22:22 639227747572098014
479 ms 104.17.29.76
137 2026-08-19 22:22 639227747572098014
479 ms 104.17.30.76
136 2026-08-19 22:05 639227737588613113
36 ms 104.17.29.76
135 2026-08-19 22:05 639227737588613113
36 ms 104.17.30.76
134 2026-08-19 21:13 639227706134603955
11 ms 104.17.30.76
133 2026-08-19 21:13 639227706134603955
11 ms 104.17.29.76
132 2026-08-19 20:57 639227696589027396
19 ms 104.17.29.76
131 2026-08-19 20:57 639227696589027396
19 ms 104.17.30.76
130 2026-08-19 20:41 639227687097707639
2030 ms 104.17.30.76
129 2026-08-19 20:41 639227687097707639
2030 ms 104.17.29.76
128 2026-08-19 20:25 639227677474464487
37 ms 104.17.30.76
127 2026-08-19 20:25 639227677474464487
37 ms 104.17.29.76
126 2026-08-19 20:09 639227667767441118
47 ms 104.17.29.76
125 2026-08-19 20:09 639227667767441118
47 ms 104.17.30.76
124 2026-08-19 19:52 639227657984833832
21 ms 104.17.29.76
123 2026-08-19 19:52 639227657984833832
21 ms 104.17.30.76
122 2026-08-19 19:36 639227648079992640
12 ms 104.17.29.76
121 2026-08-19 19:36 639227648079992640
12 ms 104.17.30.76
120 2026-08-19 19:19 639227638125048441
63 ms 104.17.30.76
119 2026-08-19 19:19 639227638125048441
63 ms 104.17.29.76
118 2026-08-19 19:03 639227628211392142
29 ms 104.17.30.76
117 2026-08-19 19:03 639227628211392142
29 ms 104.17.29.76
116 2026-08-19 18:46 639227618261696275
450 ms 104.17.30.76
115 2026-08-19 18:46 639227618261696275
450 ms 104.17.29.76
114 2026-08-19 18:30 639227608366233645
13 ms 104.17.30.76
113 2026-08-19 18:30 639227608366233645
13 ms 104.17.29.76
112 2026-08-19 18:13 639227598301787588
49 ms 104.17.29.76
111 2026-08-19 18:13 639227598301787588
49 ms 104.17.30.76
110 2026-08-19 17:20 639227566241010716
95 ms 104.17.30.76
109 2026-08-19 17:20 639227566241010716
95 ms 104.17.29.76
108 2026-08-19 17:03 639227556454538959
498 ms 104.17.30.76
107 2026-08-19 17:03 639227556454538959
498 ms 104.17.29.76
106 2026-08-19 16:47 639227546640305542
14 ms 104.17.30.76
105 2026-08-19 16:47 639227546640305542
14 ms 104.17.29.76
104 2026-08-19 16:31 639227536965466472
493 ms 104.17.30.76
103 2026-08-19 16:31 639227536965466472
493 ms 104.17.29.76
102 2026-08-19 16:14 639227527048658280
504 ms 104.17.29.76
101 2026-08-19 16:14 639227527048658280
504 ms 104.17.30.76
100 2026-08-19 15:58 639227517386634438
2025 ms 104.17.29.76
99 2026-08-19 15:58 639227517386634438
2025 ms 104.17.30.76
98 2026-08-19 15:42 639227507459551637
55 ms 104.17.29.76
97 2026-08-19 15:42 639227507459551637
55 ms 104.17.30.76
96 2026-08-19 15:25 639227497515595277
55 ms 104.17.29.76
95 2026-08-19 15:25 639227497515595277
55 ms 104.17.30.76
94 2026-08-19 15:08 639227487441798036
19 ms 104.17.29.76
93 2026-08-19 15:08 639227487441798036
19 ms 104.17.30.76
92 2026-08-19 14:52 639227477445551863
21 ms 104.17.30.76
91 2026-08-19 14:52 639227477445551863
21 ms 104.17.29.76
90 2026-08-19 14:35 639227467297067891
34 ms 104.17.30.76
89 2026-08-19 14:35 639227467297067891
34 ms 104.17.29.76
88 2026-08-19 14:18 639227457057795635
41 ms 104.17.30.76
87 2026-08-19 14:18 639227457057795635
41 ms 104.17.29.76
86 2026-08-19 13:25 639227425244777397
30 ms 104.17.30.76
85 2026-08-19 13:25 639227425244777397
30 ms 104.17.29.76
84 2026-08-19 13:08 639227415422116485
29 ms 104.17.30.76
83 2026-08-19 13:08 639227415422116485
29 ms 104.17.29.76
82 2026-08-19 12:51 639227405307256053
33 ms 104.17.29.76
81 2026-08-19 12:51 639227405307256053
33 ms 104.17.30.76
80 2026-08-19 12:35 639227395396602630
14 ms 104.17.30.76
79 2026-08-19 12:35 639227395396602630
14 ms 104.17.29.76
78 2026-08-19 12:18 639227385510363611
31 ms 104.17.30.76
77 2026-08-19 12:18 639227385510363611
31 ms 104.17.29.76
76 2026-08-19 12:02 639227375508324850
2044 ms 104.17.30.76
75 2026-08-19 12:02 639227375508324850
2044 ms 104.17.29.76
74 2026-08-19 11:45 639227365326611906
40 ms 104.17.29.76
73 2026-08-19 11:45 639227365326611906
40 ms 104.17.30.76
72 2026-08-19 11:28 639227355360014208
27 ms 104.17.30.76
71 2026-08-19 11:28 639227355360014208
27 ms 104.17.29.76
70 2026-08-19 11:11 639227345036782165
14 ms 104.17.29.76
69 2026-08-19 11:11 639227345036782165
14 ms 104.17.30.76
68 2026-08-19 10:54 639227334992964533
6 ms 104.17.30.76
67 2026-08-19 10:54 639227334992964533
6 ms 104.17.29.76
66 2026-08-19 10:37 639227324986605572
27 ms 104.17.29.76
65 2026-08-19 10:37 639227324986605572
27 ms 104.17.30.76
64 2026-08-19 10:21 639227314928414539
12 ms 104.17.30.76
63 2026-08-19 10:21 639227314928414539
12 ms 104.17.29.76
62 2026-08-19 09:27 639227283029182134
6 ms 104.17.30.76
61 2026-08-19 09:27 639227283029182134
6 ms 104.17.29.76
60 2026-08-19 09:11 639227273294779350
13 ms 104.17.30.76
59 2026-08-19 09:11 639227273294779350
13 ms 104.17.29.76
58 2026-08-19 08:55 639227263525231313
78 ms 104.17.29.76
57 2026-08-19 08:55 639227263525231313
78 ms 104.17.30.76
56 2026-08-19 08:38 639227253578313363
35 ms 104.17.30.76
55 2026-08-19 08:38 639227253578313363
35 ms 104.17.29.76
54 2026-08-19 08:22 639227243649973322
12 ms 104.17.30.76
53 2026-08-19 08:22 639227243649973322
12 ms 104.17.29.76
52 2026-08-19 08:05 639227233581059317
64 ms 104.17.29.76
51 2026-08-19 08:05 639227233581059317
64 ms 104.17.30.76
50 2026-08-19 07:48 639227223667352067
44 ms 104.17.30.76
49 2026-08-19 07:48 639227223667352067
44 ms 104.17.29.76
48 2026-08-19 07:32 639227213714837066
476 ms 104.17.30.76
47 2026-08-19 07:32 639227213714837066
476 ms 104.17.29.76
46 2026-08-19 07:15 639227203701208496
20 ms 104.17.29.76
45 2026-08-19 07:15 639227203701208496
20 ms 104.17.30.76
44 2026-08-19 06:59 639227193643202179
5 ms 104.17.29.76
43 2026-08-19 06:59 639227193643202179
5 ms 104.17.30.76
42 2026-08-19 06:42 639227183584431597
34 ms 104.17.29.76
41 2026-08-19 06:42 639227183584431597
34 ms 104.17.30.76
40 2026-08-19 06:25 639227173347403088
38 ms 104.17.29.76
39 2026-08-19 06:25 639227173347403088
38 ms 104.17.30.76
38 2026-08-19 05:32 639227141523007601
32 ms 104.17.29.76
37 2026-08-19 05:32 639227141523007601
32 ms 104.17.30.76
36 2026-08-19 05:15 639227131785931574
448 ms 104.17.30.76
35 2026-08-19 05:15 639227131785931574
448 ms 104.17.29.76
34 2026-08-19 05:00 639227122176475389
25 ms 104.17.29.76
33 2026-08-19 05:00 639227122176475389
25 ms 104.17.30.76
32 2026-08-19 04:43 639227112668934596
21 ms 104.17.29.76
31 2026-08-19 04:43 639227112668934596
21 ms 104.17.30.76
30 2026-08-19 04:27 639227102773292788
36 ms 104.17.30.76
29 2026-08-19 04:27 639227102773292788
36 ms 104.17.29.76
28 2026-08-19 04:11 639227093141136930
16 ms 104.17.29.76
27 2026-08-19 04:11 639227093141136930
16 ms 104.17.30.76
26 2026-08-19 03:55 639227083449420147
4 ms 104.17.30.76
25 2026-08-19 03:55 639227083449420147
4 ms 104.17.29.76
24 2026-08-19 03:39 639227073771748493
15 ms 104.17.30.76
23 2026-08-19 03:39 639227073771748493
15 ms 104.17.29.76
22 2026-08-19 03:22 639227063977347614
2025 ms 104.17.30.76
21 2026-08-19 03:22 639227063977347614
2025 ms 104.17.29.76
20 2026-08-19 03:06 639227054253519024
11 ms 104.17.30.76
19 2026-08-19 03:06 639227054253519024
11 ms 104.17.29.76
18 2026-08-19 02:50 639227044381963886
9 ms 104.17.29.76
17 2026-08-19 02:50 639227044381963886
9 ms 104.17.30.76
16 2026-08-19 02:33 639227034441085514
33 ms 104.17.29.76
15 2026-08-19 02:33 639227034441085514
33 ms 104.17.30.76
14 2026-08-19 01:41 639227003126489968
18 ms 104.17.29.76
13 2026-08-19 01:41 639227003126489968
18 ms 104.17.30.76
12 2026-08-19 01:25 639226993456311614
58 ms 104.17.30.76
11 2026-08-19 01:25 639226993456311614
58 ms 104.17.29.76
10 2026-08-19 01:09 639226983847312345
37 ms 104.17.29.76
9 2026-08-19 01:09 639226983847312345
37 ms 104.17.30.76
8 2026-08-19 00:53 639226974357874853
33 ms 104.17.29.76
7 2026-08-19 00:53 639226974357874853
33 ms 104.17.30.76
6 2026-08-19 00:37 639226964670484721
45 ms 104.17.30.76
5 2026-08-19 00:37 639226964670484721
45 ms 104.17.29.76
4 2026-08-19 00:21 639226954857899696
8 ms 104.17.30.76
3 2026-08-19 00:21 639226954857899696
8 ms 104.17.29.76
2 2026-08-19 00:04 639226945091603488
15 ms 104.17.29.76
1 2026-08-19 00:04 639226945091603488
15 ms 104.17.30.76