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 2026-08-13. For this date, NameServerHistory found 143 DNS check records, 142 successful responses, 1 failed responses, and 187 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

143

Historical checks stored for this nameserver on selected date

Average Latency

187 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-13 23:53

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

142

Checks that returned a measurable response

Failed Responses

1

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 2026-08-13 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
143 2026-08-13 23:53 639222618462620588
34 ms 104.17.30.76
142 2026-08-13 23:53 639222618462620588
34 ms 104.17.29.76
141 2026-08-13 23:37 639222608688333012
30 ms 104.17.30.76
140 2026-08-13 23:37 639222608688333012
30 ms 104.17.29.76
139 2026-08-13 23:20 639222598741756356
13 ms 104.17.30.76
138 2026-08-13 23:20 639222598741756356
13 ms 104.17.29.76
137 2026-08-13 23:03 639222588615244093
4 ms 104.17.29.76
136 2026-08-13 23:03 639222588615244093
4 ms 104.17.30.76
135 2026-08-13 22:10 639222556495289724
34 ms 104.17.30.76
134 2026-08-13 22:10 639222556495289724
34 ms 104.17.29.76
133 2026-08-13 21:53 639222546477917698
35 ms 104.17.30.76
132 2026-08-13 21:53 639222546477917698
35 ms 104.17.29.76
131 2026-08-13 21:36 639222536257653790
12 ms 104.17.29.76
130 2026-08-13 21:36 639222536257653790
12 ms 104.17.30.76
129 2026-08-13 21:19 639222525833084485
26 ms 104.17.29.76
128 2026-08-13 21:19 639222525833084485
26 ms 104.17.30.76
127 2026-08-13 21:01 639222515446085004
59 ms 104.17.29.76
126 2026-08-13 21:01 639222515446085004
59 ms 104.17.30.76
125 2026-08-13 20:44 639222505166766781
10 ms 104.17.29.76
124 2026-08-13 20:44 639222505166766781
10 ms 104.17.30.76
123 2026-08-13 20:27 639222494930541001
16 ms 104.17.29.76
122 2026-08-13 20:27 639222494930541001
16 ms 104.17.30.76
121 2026-08-13 20:10 639222484469216890
3 ms 104.17.29.76
120 2026-08-13 20:10 639222484469216890
3 ms 104.17.30.76
119 2026-08-13 19:53 639222474270039940
15 ms 104.17.30.76
118 2026-08-13 19:53 639222474270039940
15 ms 104.17.29.76
117 2026-08-13 19:36 639222464005587385
2039 ms 104.17.29.76
116 2026-08-13 19:36 639222464005587385
2039 ms 104.17.30.76
115 2026-08-13 19:18 639222453485975041
16 ms 104.17.29.76
114 2026-08-13 19:18 639222453485975041
16 ms 104.17.30.76
113 2026-08-13 19:00 639222442984828770
33 ms 104.17.30.76
112 2026-08-13 19:00 639222442984828770
33 ms 104.17.29.76
111 2026-08-13 18:06 639222410191353397
6 ms 104.17.30.76
110 2026-08-13 18:06 639222410191353397
6 ms 104.17.29.76
109 2026-08-13 17:49 639222399952628376
15 ms 104.17.29.76
108 2026-08-13 17:49 639222399952628376
15 ms 104.17.30.76
107 2026-08-13 17:32 639222389608608647
18 ms 104.17.30.76
106 2026-08-13 17:32 639222389608608647
18 ms 104.17.29.76
105 2026-08-13 17:15 639222379604012481
10 ms 104.17.30.76
104 2026-08-13 17:15 639222379604012481
10 ms 104.17.29.76
103 2026-08-13 16:58 639222369372672858
35 ms 104.17.29.76
102 2026-08-13 16:58 639222369372672858
35 ms 104.17.30.76
101 2026-08-13 16:41 639222359096909298
60 ms 104.17.30.76
100 2026-08-13 16:41 639222359096909298
60 ms 104.17.29.76
99 2026-08-13 16:24 639222348814301655
13 ms 104.17.30.76
98 2026-08-13 16:24 639222348814301655
13 ms 104.17.29.76
97 2026-08-13 16:07 639222338608331104
4 ms 104.17.30.76
96 2026-08-13 16:07 639222338608331104
4 ms 104.17.29.76
95 2026-08-13 15:50 639222328204609760
39 ms 104.17.30.76
94 2026-08-13 15:50 639222328204609760
39 ms 104.17.29.76
93 2026-08-13 15:33 639222317859759909
17 ms 104.17.30.76
92 2026-08-13 15:33 639222317859759909
17 ms 104.17.29.76
91 2026-08-13 15:15 639222307560137918
59 ms 104.17.29.76
90 2026-08-13 15:15 639222307560137918
59 ms 104.17.30.76
89 2026-08-13 14:58 639222297274357149
5 ms 104.17.29.76
88 2026-08-13 14:58 639222297274357149
5 ms 104.17.30.76
87 2026-08-13 14:05 639222265004477827
15 ms 104.17.29.76
86 2026-08-13 14:05 639222265004477827
15 ms 104.17.30.76
85 2026-08-13 13:48 639222255176583683
26 ms 104.17.30.76
84 2026-08-13 13:48 639222255176583683
26 ms 104.17.29.76
83 2026-08-13 13:32 639222245340146131
13 ms 104.17.30.76
82 2026-08-13 13:32 639222245340146131
13 ms 104.17.29.76
81 2026-08-13 13:16 639222235662219956
38 ms 104.17.30.76
80 2026-08-13 13:16 639222235662219956
38 ms 104.17.29.76
79 2026-08-13 12:59 639222225817223284
37 ms 104.17.29.76
78 2026-08-13 12:59 639222225817223284
37 ms 104.17.30.76
77 2026-08-13 12:44 639222216341869648
2087 ms 104.17.30.76
76 2026-08-13 12:44 639222216341869648
2087 ms 104.17.29.76
75 2026-08-13 12:28 639222206848442189
53 ms 104.17.29.76
74 2026-08-13 12:28 639222206848442189
53 ms 104.17.30.76
73 2026-08-13 12:12 639222197538963225
62 ms 104.17.30.76
72 2026-08-13 12:12 639222197538963225
62 ms 104.17.29.76
71 2026-08-13 11:56 639222188113685569
15 ms 104.17.30.76
70 2026-08-13 11:56 639222188113685569
15 ms 104.17.29.76
69 2026-08-13 11:41 639222178880138458
5 ms 104.17.29.76
68 2026-08-13 11:41 639222178880138458
5 ms 104.17.30.76
67 2026-08-13 11:25 639222169343013317
17 ms 104.17.29.76
66 2026-08-13 11:25 639222169343013317
17 ms 104.17.30.76
65 2026-08-13 11:10 639222159910600596
32 ms 104.17.30.76
64 2026-08-13 11:10 639222159910600596
32 ms 104.17.29.76
63 2026-08-13 10:17 639222128676274866
7 ms 104.17.30.76
62 2026-08-13 10:17 639222128676274866
7 ms 104.17.29.76
61 2026-08-13 10:02 639222119169781983
44 ms 104.17.29.76
60 2026-08-13 10:02 639222119169781983
44 ms 104.17.30.76
59 2026-08-13 09:46 639222109996148889
20 ms 104.17.30.76
58 2026-08-13 09:46 639222109996148889
20 ms 104.17.29.76
57 2026-08-13 09:31 639222100791323799
4 ms 104.17.29.76
56 2026-08-13 09:31 639222100791323799
4 ms 104.17.30.76
55 2026-08-13 09:16 639222091647893142
11 ms 104.17.30.76
54 2026-08-13 09:16 639222091647893142
11 ms 104.17.29.76
53 2026-08-13 09:01 639222082524717649
2056 ms 104.17.29.76
52 2026-08-13 09:01 639222082524717649
2056 ms 104.17.30.76
51 2026-08-13 08:45 639222073378630456
10 ms 104.17.30.76
50 2026-08-13 08:45 639222073378630456
10 ms 104.17.29.76
49 2026-08-13 08:31 639222064537306701
17 ms 104.17.29.76
48 2026-08-13 08:31 639222064537306701
17 ms 104.17.30.76
47 2026-08-13 08:15 639222055409471864
31 ms 104.17.30.76
46 2026-08-13 08:15 639222055409471864
31 ms 104.17.29.76
45 2026-08-13 08:00 639222046117152411
38 ms 104.17.30.76
44 2026-08-13 08:00 639222046117152411
38 ms 104.17.29.76
43 2026-08-13 07:45 639222036915107067
14 ms 104.17.30.76
42 2026-08-13 07:45 639222036915107067
14 ms 104.17.29.76
41 2026-08-13 07:29 639222027654889141
472 ms 104.17.30.76
40 2026-08-13 07:29 639222027654889141
472 ms 104.17.29.76
39 2026-08-13 06:38 639221996824612035
10 ms 104.17.30.76
38 2026-08-13 06:38 639221996824612035
10 ms 104.17.29.76
37 2026-08-13 06:23 639221987863418113
17 ms 104.17.30.76
36 2026-08-13 06:23 639221987863418113
17 ms 104.17.29.76
35 2026-08-13 06:08 639221979006823112
6 ms 104.17.29.76
34 2026-08-13 06:08 639221979006823112
6 ms 104.17.30.76
33 2026-08-13 05:53 639221970068466615
508 ms 104.17.29.76
32 2026-08-13 05:53 639221970068466615
508 ms 104.17.30.76
31 2026-08-13 05:38 639221961001585139
6 ms 104.17.30.76
30 2026-08-13 05:38 639221961001585139
6 ms 104.17.29.76
29 2026-08-13 05:23 639221952104046397
33 ms 104.17.30.76
28 2026-08-13 05:23 639221952104046397
33 ms 104.17.29.76
27 2026-08-13 05:08 639221943247694484
18 ms 104.17.29.76
26 2026-08-13 05:08 639221943247694484
18 ms 104.17.30.76
25 2026-08-13 04:54 639221934603388241
12 ms 104.17.29.76
24 2026-08-13 04:54 639221934603388241
12 ms 104.17.30.76
23 2026-08-13 04:39 639221925729273358
2087 ms 104.17.30.76
22 2026-08-13 04:39 639221925729273358
2087 ms 104.17.29.76
21 2026-08-13 04:24 639221916777813401
4 ms 104.17.29.76
20 2026-08-13 04:24 639221916777813401
4 ms 104.17.30.76
19 2026-08-13 04:09 639221907816913910
2010 ms 104.17.30.76
18 2026-08-13 04:09 639221907816913910
2010 ms 104.17.29.76
17 2026-08-13 03:54 639221898639694322
484 ms 104.17.30.76
16 2026-08-13 03:54 639221898639694322
484 ms 104.17.29.76
15 2026-08-13 03:03 639221868257567489
-
14 2026-08-13 02:48 639221859270235608
42 ms 104.17.29.76
13 2026-08-13 02:48 639221859270235608
42 ms 104.17.30.76
12 2026-08-13 02:33 639221850184464515
5 ms 104.17.30.76
11 2026-08-13 02:33 639221850184464515
5 ms 104.17.29.76
10 2026-08-13 02:18 639221841141973425
34 ms 104.17.29.76
9 2026-08-13 02:18 639221841141973425
34 ms 104.17.30.76
8 2026-08-13 01:27 639221810548753083
41 ms 104.17.30.76
7 2026-08-13 01:27 639221810548753083
41 ms 104.17.29.76
6 2026-08-13 01:12 639221801656796262
109 ms 104.17.30.76
5 2026-08-13 01:12 639221801656796262
109 ms 104.17.29.76
4 2026-08-13 00:57 639221792658715334
27 ms 104.17.30.76
3 2026-08-13 00:57 639221792658715334
27 ms 104.17.29.76
2 2026-08-13 00:42 639221783571379176
5 ms 104.17.30.76
1 2026-08-13 00:42 639221783571379176
5 ms 104.17.29.76