DNS response history for devtools-systems.pages.dev

devtools-systems.pages.dev 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 2026-08-21. For this date, NameServerHistory found 143 DNS check records, 142 successful responses, 1 failed responses, and 197 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 devtools-systems.pages.dev.
Records on Selected Date

143

Historical checks stored for this nameserver on selected date

Average Latency

197 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:46

All timestamps shown in UTC

Latest Resolved IP on Selected Date

172.66.46.222

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 devtools-systems.pages.dev

Showing DNS history for 2026-08-21 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 2026-08-21 23:46 639229527598660841
-
142 2026-08-21 23:30 639229517954323214
6 ms 172.66.46.222
141 2026-08-21 23:30 639229517954323214
6 ms 172.66.45.34
140 2026-08-21 23:14 639229508269999021
18 ms 172.66.45.34
139 2026-08-21 23:14 639229508269999021
18 ms 172.66.46.222
138 2026-08-21 22:57 639229498559060171
73 ms 172.66.45.34
137 2026-08-21 22:57 639229498559060171
73 ms 172.66.46.222
136 2026-08-21 22:41 639229488519347586
31 ms 172.66.46.222
135 2026-08-21 22:41 639229488519347586
31 ms 172.66.45.34
134 2026-08-21 21:48 639229456606578934
100 ms 172.66.46.222
133 2026-08-21 21:48 639229456606578934
100 ms 172.66.45.34
132 2026-08-21 21:32 639229446985772499
36 ms 172.66.45.34
131 2026-08-21 21:32 639229446985772499
36 ms 172.66.46.222
130 2026-08-21 21:16 639229437367313098
40 ms 172.66.45.34
129 2026-08-21 21:16 639229437367313098
40 ms 172.66.46.222
128 2026-08-21 21:00 639229427923950391
6 ms 172.66.45.34
127 2026-08-21 21:00 639229427923950391
6 ms 172.66.46.222
126 2026-08-21 20:44 639229418168588854
28 ms 172.66.45.34
125 2026-08-21 20:44 639229418168588854
28 ms 172.66.46.222
124 2026-08-21 20:27 639229408345678334
7 ms 172.66.45.34
123 2026-08-21 20:27 639229408345678334
7 ms 172.66.46.222
122 2026-08-21 20:11 639229398616354648
26 ms 172.66.46.222
121 2026-08-21 20:11 639229398616354648
26 ms 172.66.45.34
120 2026-08-21 19:54 639229388634592323
25 ms 172.66.45.34
119 2026-08-21 19:54 639229388634592323
25 ms 172.66.46.222
118 2026-08-21 19:38 639229378792837692
33 ms 172.66.45.34
117 2026-08-21 19:38 639229378792837692
33 ms 172.66.46.222
116 2026-08-21 19:22 639229369154682311
17 ms 172.66.46.222
115 2026-08-21 19:22 639229369154682311
17 ms 172.66.45.34
114 2026-08-21 19:05 639229359248017926
11 ms 172.66.45.34
113 2026-08-21 19:05 639229359248017926
11 ms 172.66.46.222
112 2026-08-21 18:48 639229349124294642
119 ms 172.66.45.34
111 2026-08-21 18:48 639229349124294642
119 ms 172.66.46.222
110 2026-08-21 17:56 639229317791715692
9 ms 172.66.45.34
109 2026-08-21 17:56 639229317791715692
9 ms 172.66.46.222
108 2026-08-21 17:40 639229308115194575
28 ms 172.66.45.34
107 2026-08-21 17:40 639229308115194575
28 ms 172.66.46.222
106 2026-08-21 17:24 639229298320320558
62 ms 172.66.46.222
105 2026-08-21 17:24 639229298320320558
62 ms 172.66.45.34
104 2026-08-21 17:08 639229288674863221
2029 ms 172.66.46.222
103 2026-08-21 17:08 639229288674863221
2029 ms 172.66.45.34
102 2026-08-21 16:52 639229278983677079
11 ms 172.66.46.222
101 2026-08-21 16:52 639229278983677079
11 ms 172.66.45.34
100 2026-08-21 16:36 639229269405517175
11 ms 172.66.45.34
99 2026-08-21 16:36 639229269405517175
11 ms 172.66.46.222
98 2026-08-21 16:19 639229259594798244
24 ms 172.66.45.34
97 2026-08-21 16:19 639229259594798244
24 ms 172.66.46.222
96 2026-08-21 16:03 639229249736681188
38 ms 172.66.46.222
95 2026-08-21 16:03 639229249736681188
38 ms 172.66.45.34
94 2026-08-21 15:46 639229239699417787
24 ms 172.66.45.34
93 2026-08-21 15:46 639229239699417787
24 ms 172.66.46.222
92 2026-08-21 15:29 639229229621964033
13 ms 172.66.45.34
91 2026-08-21 15:29 639229229621964033
13 ms 172.66.46.222
90 2026-08-21 15:13 639229219567270965
2039 ms 172.66.45.34
89 2026-08-21 15:13 639229219567270965
2039 ms 172.66.46.222
88 2026-08-21 14:56 639229209406666856
52 ms 172.66.46.222
87 2026-08-21 14:56 639229209406666856
52 ms 172.66.45.34
86 2026-08-21 14:03 639229177815876178
16 ms 172.66.46.222
85 2026-08-21 14:03 639229177815876178
16 ms 172.66.45.34
84 2026-08-21 13:47 639229168243572685
24 ms 172.66.45.34
83 2026-08-21 13:47 639229168243572685
24 ms 172.66.46.222
82 2026-08-21 13:31 639229158599856475
22 ms 172.66.45.34
81 2026-08-21 13:31 639229158599856475
22 ms 172.66.46.222
80 2026-08-21 13:15 639229148998940902
28 ms 172.66.45.34
79 2026-08-21 13:15 639229148998940902
28 ms 172.66.46.222
78 2026-08-21 12:59 639229139276923594
38 ms 172.66.45.34
77 2026-08-21 12:59 639229139276923594
38 ms 172.66.46.222
76 2026-08-21 12:43 639229129709912394
11 ms 172.66.45.34
75 2026-08-21 12:43 639229129709912394
11 ms 172.66.46.222
74 2026-08-21 12:26 639229119801488500
21 ms 172.66.46.222
73 2026-08-21 12:26 639229119801488500
21 ms 172.66.45.34
72 2026-08-21 12:10 639229110135262458
33 ms 172.66.46.222
71 2026-08-21 12:10 639229110135262458
33 ms 172.66.45.34
70 2026-08-21 11:54 639229100336051392
13 ms 172.66.46.222
69 2026-08-21 11:54 639229100336051392
13 ms 172.66.45.34
68 2026-08-21 11:38 639229090641415626
13 ms 172.66.45.34
67 2026-08-21 11:38 639229090641415626
13 ms 172.66.46.222
66 2026-08-21 11:21 639229080702683947
10 ms 172.66.45.34
65 2026-08-21 11:21 639229080702683947
10 ms 172.66.46.222
64 2026-08-21 11:04 639229070601456699
27 ms 172.66.46.222
63 2026-08-21 11:04 639229070601456699
27 ms 172.66.45.34
62 2026-08-21 10:12 639229038947447232
2038 ms 172.66.46.222
61 2026-08-21 10:12 639229038947447232
2038 ms 172.66.45.34
60 2026-08-21 09:55 639229029268708773
10 ms 172.66.46.222
59 2026-08-21 09:55 639229029268708773
10 ms 172.66.45.34
58 2026-08-21 09:39 639229019647910603
36 ms 172.66.46.222
57 2026-08-21 09:39 639229019647910603
36 ms 172.66.45.34
56 2026-08-21 09:23 639229009983843738
49 ms 172.66.46.222
55 2026-08-21 09:23 639229009983843738
49 ms 172.66.45.34
54 2026-08-21 09:07 639229000203331882
7 ms 172.66.46.222
53 2026-08-21 09:07 639229000203331882
7 ms 172.66.45.34
52 2026-08-21 08:50 639228990302335999
2028 ms 172.66.46.222
51 2026-08-21 08:50 639228990302335999
2028 ms 172.66.45.34
50 2026-08-21 08:34 639228980567740722
13 ms 172.66.46.222
49 2026-08-21 08:34 639228980567740722
13 ms 172.66.45.34
48 2026-08-21 08:18 639228970762445174
46 ms 172.66.45.34
47 2026-08-21 08:18 639228970762445174
46 ms 172.66.46.222
46 2026-08-21 08:02 639228961065054445
36 ms 172.66.45.34
45 2026-08-21 08:02 639228961065054445
36 ms 172.66.46.222
44 2026-08-21 07:45 639228951224649885
46 ms 172.66.45.34
43 2026-08-21 07:45 639228951224649885
46 ms 172.66.46.222
42 2026-08-21 07:29 639228941303864592
32 ms 172.66.46.222
41 2026-08-21 07:29 639228941303864592
32 ms 172.66.45.34
40 2026-08-21 07:12 639228931191328583
29 ms 172.66.46.222
39 2026-08-21 07:12 639228931191328583
29 ms 172.66.45.34
38 2026-08-21 06:19 639228899518173317
7 ms 172.66.46.222
37 2026-08-21 06:19 639228899518173317
7 ms 172.66.45.34
36 2026-08-21 06:03 639228889785027669
10 ms 172.66.46.222
35 2026-08-21 06:03 639228889785027669
10 ms 172.66.45.34
34 2026-08-21 05:47 639228880106330161
2038 ms 172.66.46.222
33 2026-08-21 05:47 639228880106330161
2038 ms 172.66.45.34
32 2026-08-21 05:30 639228870316184091
20 ms 172.66.46.222
31 2026-08-21 05:30 639228870316184091
20 ms 172.66.45.34
30 2026-08-21 05:14 639228860695366512
28 ms 172.66.45.34
29 2026-08-21 05:14 639228860695366512
28 ms 172.66.46.222
28 2026-08-21 04:58 639228851027209500
21 ms 172.66.45.34
27 2026-08-21 04:58 639228851027209500
21 ms 172.66.46.222
26 2026-08-21 04:42 639228841479265462
33 ms 172.66.46.222
25 2026-08-21 04:42 639228841479265462
33 ms 172.66.45.34
24 2026-08-21 04:26 639228831752962260
13 ms 172.66.46.222
23 2026-08-21 04:26 639228831752962260
13 ms 172.66.45.34
22 2026-08-21 04:10 639228821953295483
26 ms 172.66.46.222
21 2026-08-21 04:10 639228821953295483
26 ms 172.66.45.34
20 2026-08-21 03:54 639228812227429953
39 ms 172.66.46.222
19 2026-08-21 03:54 639228812227429953
39 ms 172.66.45.34
18 2026-08-21 03:37 639228802476107538
31 ms 172.66.45.34
17 2026-08-21 03:37 639228802476107538
31 ms 172.66.46.222
16 2026-08-21 03:21 639228792525492032
9 ms 172.66.45.34
15 2026-08-21 03:21 639228792525492032
9 ms 172.66.46.222
14 2026-08-21 02:28 639228761131421385
6 ms 172.66.46.222
13 2026-08-21 02:28 639228761131421385
6 ms 172.66.45.34
12 2026-08-21 02:13 639228751571206692
17 ms 172.66.45.34
11 2026-08-21 02:13 639228751571206692
17 ms 172.66.46.222
10 2026-08-21 01:56 639228741705571019
34 ms 172.66.45.34
9 2026-08-21 01:56 639228741705571019
34 ms 172.66.46.222
8 2026-08-21 01:39 639228731642208228
26 ms 172.66.45.34
7 2026-08-21 01:39 639228731642208228
26 ms 172.66.46.222
6 2026-08-21 00:47 639228700387002072
29 ms 172.66.45.34
5 2026-08-21 00:47 639228700387002072
29 ms 172.66.46.222
4 2026-08-21 00:31 639228690742014433
2032 ms 172.66.45.34
3 2026-08-21 00:31 639228690742014433
2032 ms 172.66.46.222
2 2026-08-21 00:15 639228680877937122
51 ms 172.66.46.222
1 2026-08-21 00:15 639228680877937122
51 ms 172.66.45.34