DNS response history for ns1.core-hostresolver.net

ns1.core-hostresolver.net 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 146 DNS check records, 146 successful responses, 0 failed responses, and 317 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 ns1.core-hostresolver.net.
Records on Selected Date

146

Historical checks stored for this nameserver on selected date

Average Latency

317 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:55

All timestamps shown in UTC

Latest Resolved IP on Selected Date

23.128.160.245

Most recently resolved hosting IP on selected date

Successful Responses

146

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 ns1.core-hostresolver.net

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
146 2026-08-21 23:55 639229527598660841
218 ms 23.128.160.245
145 2026-08-21 23:55 639229527598660841
218 ms 23.128.160.246
144 2026-08-21 23:39 639229517954323214
107 ms 23.128.160.246
143 2026-08-21 23:39 639229517954323214
107 ms 23.128.160.245
142 2026-08-21 23:23 639229508269999021
114 ms 23.128.160.246
141 2026-08-21 23:23 639229508269999021
114 ms 23.128.160.245
140 2026-08-21 23:06 639229498559060171
228 ms 23.128.160.246
139 2026-08-21 23:06 639229498559060171
228 ms 23.128.160.245
138 2026-08-21 22:50 639229488519347586
220 ms 23.128.160.246
137 2026-08-21 22:50 639229488519347586
220 ms 23.128.160.245
136 2026-08-21 21:56 639229456606578934
220 ms 23.128.160.245
135 2026-08-21 21:56 639229456606578934
220 ms 23.128.160.246
134 2026-08-21 21:40 639229446985772499
102 ms 23.128.160.245
133 2026-08-21 21:40 639229446985772499
102 ms 23.128.160.246
132 2026-08-21 21:24 639229437367313098
228 ms 23.128.160.246
131 2026-08-21 21:24 639229437367313098
228 ms 23.128.160.245
130 2026-08-21 21:08 639229427923950391
102 ms 23.128.160.246
129 2026-08-21 21:08 639229427923950391
102 ms 23.128.160.245
128 2026-08-21 20:52 639229418168588854
225 ms 23.128.160.246
127 2026-08-21 20:52 639229418168588854
225 ms 23.128.160.245
126 2026-08-21 20:36 639229408345678334
208 ms 23.128.160.245
125 2026-08-21 20:36 639229408345678334
208 ms 23.128.160.246
124 2026-08-21 20:20 639229398616354648
223 ms 23.128.160.246
123 2026-08-21 20:20 639229398616354648
223 ms 23.128.160.245
122 2026-08-21 20:03 639229388634592323
220 ms 23.128.160.246
121 2026-08-21 20:03 639229388634592323
220 ms 23.128.160.245
120 2026-08-21 19:47 639229378792837692
113 ms 23.128.160.245
119 2026-08-21 19:47 639229378792837692
113 ms 23.128.160.246
118 2026-08-21 19:30 639229369154682311
105 ms 23.128.160.246
117 2026-08-21 19:30 639229369154682311
105 ms 23.128.160.245
116 2026-08-21 19:14 639229359248017926
152 ms 23.128.160.245
115 2026-08-21 19:14 639229359248017926
152 ms 23.128.160.246
114 2026-08-21 18:57 639229349124294642
250 ms 23.128.160.246
113 2026-08-21 18:57 639229349124294642
250 ms 23.128.160.245
112 2026-08-21 18:05 639229317791715692
2200 ms 23.128.160.246
111 2026-08-21 18:05 639229317791715692
2200 ms 23.128.160.245
110 2026-08-21 17:49 639229308115194575
116 ms 23.128.160.245
109 2026-08-21 17:49 639229308115194575
116 ms 23.128.160.246
108 2026-08-21 17:33 639229298320320558
105 ms 23.128.160.245
107 2026-08-21 17:33 639229298320320558
105 ms 23.128.160.246
106 2026-08-21 17:16 639229288674863221
103 ms 23.128.160.245
105 2026-08-21 17:16 639229288674863221
103 ms 23.128.160.246
104 2026-08-21 17:00 639229278983677079
122 ms 23.128.160.245
103 2026-08-21 17:00 639229278983677079
122 ms 23.128.160.246
102 2026-08-21 16:44 639229269405517175
216 ms 23.128.160.246
101 2026-08-21 16:44 639229269405517175
216 ms 23.128.160.245
100 2026-08-21 16:28 639229259594798244
2114 ms 23.128.160.246
99 2026-08-21 16:28 639229259594798244
2114 ms 23.128.160.245
98 2026-08-21 16:12 639229249736681188
220 ms 23.128.160.245
97 2026-08-21 16:12 639229249736681188
220 ms 23.128.160.246
96 2026-08-21 15:55 639229239699417787
108 ms 23.128.160.245
95 2026-08-21 15:55 639229239699417787
108 ms 23.128.160.246
94 2026-08-21 15:38 639229229621964033
162 ms 23.128.160.246
93 2026-08-21 15:38 639229229621964033
162 ms 23.128.160.245
92 2026-08-21 15:21 639229219567270965
208 ms 23.128.160.245
91 2026-08-21 15:21 639229219567270965
208 ms 23.128.160.246
90 2026-08-21 15:04 639229209406666856
240 ms 23.128.160.245
89 2026-08-21 15:04 639229209406666856
240 ms 23.128.160.246
88 2026-08-21 14:12 639229177815876178
212 ms 23.128.160.245
87 2026-08-21 14:12 639229177815876178
212 ms 23.128.160.246
86 2026-08-21 13:55 639229168243572685
210 ms 23.128.160.245
85 2026-08-21 13:55 639229168243572685
210 ms 23.128.160.246
84 2026-08-21 13:40 639229158599856475
221 ms 23.128.160.245
83 2026-08-21 13:40 639229158599856475
221 ms 23.128.160.246
82 2026-08-21 13:24 639229148998940902
2110 ms 23.128.160.246
81 2026-08-21 13:24 639229148998940902
2110 ms 23.128.160.245
80 2026-08-21 13:08 639229139276923594
211 ms 23.128.160.245
79 2026-08-21 13:08 639229139276923594
211 ms 23.128.160.246
78 2026-08-21 12:51 639229129709912394
230 ms 23.128.160.246
77 2026-08-21 12:51 639229129709912394
230 ms 23.128.160.245
76 2026-08-21 12:35 639229119801488500
220 ms 23.128.160.246
75 2026-08-21 12:35 639229119801488500
220 ms 23.128.160.245
74 2026-08-21 12:19 639229110135262458
103 ms 23.128.160.245
73 2026-08-21 12:19 639229110135262458
103 ms 23.128.160.246
72 2026-08-21 12:03 639229100336051392
231 ms 23.128.160.245
71 2026-08-21 12:03 639229100336051392
231 ms 23.128.160.246
70 2026-08-21 11:46 639229090641415626
110 ms 23.128.160.246
69 2026-08-21 11:46 639229090641415626
110 ms 23.128.160.245
68 2026-08-21 11:30 639229080702683947
218 ms 23.128.160.246
67 2026-08-21 11:30 639229080702683947
218 ms 23.128.160.245
66 2026-08-21 11:13 639229070601456699
160 ms 23.128.160.245
65 2026-08-21 11:13 639229070601456699
160 ms 23.128.160.246
64 2026-08-21 10:20 639229038947447232
225 ms 23.128.160.245
63 2026-08-21 10:20 639229038947447232
225 ms 23.128.160.246
62 2026-08-21 10:04 639229029268708773
135 ms 23.128.160.245
61 2026-08-21 10:04 639229029268708773
135 ms 23.128.160.246
60 2026-08-21 09:48 639229019647910603
121 ms 23.128.160.246
59 2026-08-21 09:48 639229019647910603
121 ms 23.128.160.245
58 2026-08-21 09:32 639229009983843738
106 ms 23.128.160.246
57 2026-08-21 09:32 639229009983843738
106 ms 23.128.160.245
56 2026-08-21 09:16 639229000203331882
107 ms 23.128.160.245
55 2026-08-21 09:16 639229000203331882
107 ms 23.128.160.246
54 2026-08-21 08:59 639228990302335999
219 ms 23.128.160.246
53 2026-08-21 08:59 639228990302335999
219 ms 23.128.160.245
52 2026-08-21 08:43 639228980567740722
257 ms 23.128.160.245
51 2026-08-21 08:43 639228980567740722
257 ms 23.128.160.246
50 2026-08-21 08:27 639228970762445174
103 ms 23.128.160.246
49 2026-08-21 08:27 639228970762445174
103 ms 23.128.160.245
48 2026-08-21 08:10 639228961065054445
218 ms 23.128.160.245
47 2026-08-21 08:10 639228961065054445
218 ms 23.128.160.246
46 2026-08-21 07:54 639228951224649885
226 ms 23.128.160.245
45 2026-08-21 07:54 639228951224649885
226 ms 23.128.160.246
44 2026-08-21 07:37 639228941303864592
218 ms 23.128.160.246
43 2026-08-21 07:37 639228941303864592
218 ms 23.128.160.245
42 2026-08-21 07:21 639228931191328583
238 ms 23.128.160.246
41 2026-08-21 07:21 639228931191328583
238 ms 23.128.160.245
40 2026-08-21 06:28 639228899518173317
222 ms 23.128.160.245
39 2026-08-21 06:28 639228899518173317
222 ms 23.128.160.246
38 2026-08-21 06:12 639228889785027669
111 ms 23.128.160.245
37 2026-08-21 06:12 639228889785027669
111 ms 23.128.160.246
36 2026-08-21 05:56 639228880106330161
234 ms 23.128.160.246
35 2026-08-21 05:56 639228880106330161
234 ms 23.128.160.245
34 2026-08-21 05:39 639228870316184091
2101 ms 23.128.160.246
33 2026-08-21 05:39 639228870316184091
2101 ms 23.128.160.245
32 2026-08-21 05:23 639228860695366512
217 ms 23.128.160.246
31 2026-08-21 05:23 639228860695366512
217 ms 23.128.160.245
30 2026-08-21 05:07 639228851027209500
246 ms 23.128.160.246
29 2026-08-21 05:07 639228851027209500
246 ms 23.128.160.245
28 2026-08-21 04:51 639228841479265462
246 ms 23.128.160.246
27 2026-08-21 04:51 639228841479265462
246 ms 23.128.160.245
26 2026-08-21 04:35 639228831752962260
208 ms 23.128.160.245
25 2026-08-21 04:35 639228831752962260
208 ms 23.128.160.246
24 2026-08-21 04:19 639228821953295483
216 ms 23.128.160.246
23 2026-08-21 04:19 639228821953295483
216 ms 23.128.160.245
22 2026-08-21 04:02 639228812227429953
221 ms 23.128.160.246
21 2026-08-21 04:02 639228812227429953
221 ms 23.128.160.245
20 2026-08-21 03:46 639228802476107538
2105 ms 23.128.160.245
19 2026-08-21 03:46 639228802476107538
2105 ms 23.128.160.246
18 2026-08-21 03:30 639228792525492032
145 ms 23.128.160.246
17 2026-08-21 03:30 639228792525492032
145 ms 23.128.160.245
16 2026-08-21 02:37 639228761131421385
229 ms 23.128.160.246
15 2026-08-21 02:37 639228761131421385
229 ms 23.128.160.245
14 2026-08-21 02:21 639228751571206692
223 ms 23.128.160.246
13 2026-08-21 02:21 639228751571206692
223 ms 23.128.160.245
12 2026-08-21 02:05 639228741705571019
121 ms 23.128.160.245
11 2026-08-21 02:05 639228741705571019
121 ms 23.128.160.246
10 2026-08-21 01:48 639228731642208228
115 ms 23.128.160.245
9 2026-08-21 01:48 639228731642208228
115 ms 23.128.160.246
8 2026-08-21 00:56 639228700387002072
211 ms 23.128.160.245
7 2026-08-21 00:56 639228700387002072
211 ms 23.128.160.246
6 2026-08-21 00:40 639228690742014433
247 ms 23.128.160.246
5 2026-08-21 00:40 639228690742014433
247 ms 23.128.160.245
4 2026-08-21 00:23 639228680877937122
136 ms 23.128.160.245
3 2026-08-21 00:23 639228680877937122
136 ms 23.128.160.246
2 2026-08-21 00:07 639228670775860800
218 ms 23.128.160.246
1 2026-08-21 00:07 639228670775860800
218 ms 23.128.160.245