DNS response history for auth2.dns.cogento.com

auth2.dns.cogento.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 2026-08-21. For this date, NameServerHistory found 146 DNS check records, 146 successful responses, 0 failed responses, and 74 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 auth2.dns.cogento.com.
Records on Selected Date

146

Historical checks stored for this nameserver on selected date

Average Latency

74 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:48

All timestamps shown in UTC

Latest Resolved IP on Selected Date

76.223.54.146

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 auth2.dns.cogento.com

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 23:48 639229527598660841
40 ms 76.223.54.146
145 2026-08-21 23:48 639229527598660841
40 ms 13.248.169.48
144 2026-08-21 23:32 639229517954323214
13 ms 76.223.54.146
143 2026-08-21 23:32 639229517954323214
13 ms 13.248.169.48
142 2026-08-21 23:16 639229508269999021
48 ms 13.248.169.48
141 2026-08-21 23:16 639229508269999021
48 ms 76.223.54.146
140 2026-08-21 23:00 639229498559060171
42 ms 13.248.169.48
139 2026-08-21 23:00 639229498559060171
42 ms 76.223.54.146
138 2026-08-21 22:43 639229488519347586
46 ms 13.248.169.48
137 2026-08-21 22:43 639229488519347586
46 ms 76.223.54.146
136 2026-08-21 21:50 639229456606578934
4 ms 13.248.169.48
135 2026-08-21 21:50 639229456606578934
4 ms 76.223.54.146
134 2026-08-21 21:34 639229446985772499
32 ms 13.248.169.48
133 2026-08-21 21:34 639229446985772499
32 ms 76.223.54.146
132 2026-08-21 21:18 639229437367313098
41 ms 76.223.54.146
131 2026-08-21 21:18 639229437367313098
41 ms 13.248.169.48
130 2026-08-21 21:02 639229427923950391
43 ms 13.248.169.48
129 2026-08-21 21:02 639229427923950391
43 ms 76.223.54.146
128 2026-08-21 20:46 639229418168588854
13 ms 13.248.169.48
127 2026-08-21 20:46 639229418168588854
13 ms 76.223.54.146
126 2026-08-21 20:29 639229408345678334
32 ms 13.248.169.48
125 2026-08-21 20:29 639229408345678334
32 ms 76.223.54.146
124 2026-08-21 20:13 639229398616354648
22 ms 13.248.169.48
123 2026-08-21 20:13 639229398616354648
22 ms 76.223.54.146
122 2026-08-21 19:57 639229388634592323
24 ms 13.248.169.48
121 2026-08-21 19:57 639229388634592323
24 ms 76.223.54.146
120 2026-08-21 19:40 639229378792837692
50 ms 76.223.54.146
119 2026-08-21 19:40 639229378792837692
50 ms 13.248.169.48
118 2026-08-21 19:24 639229369154682311
29 ms 13.248.169.48
117 2026-08-21 19:24 639229369154682311
29 ms 76.223.54.146
116 2026-08-21 19:08 639229359248017926
49 ms 13.248.169.48
115 2026-08-21 19:08 639229359248017926
49 ms 76.223.54.146
114 2026-08-21 18:51 639229349124294642
56 ms 13.248.169.48
113 2026-08-21 18:51 639229349124294642
56 ms 76.223.54.146
112 2026-08-21 17:59 639229317791715692
79 ms 13.248.169.48
111 2026-08-21 17:59 639229317791715692
79 ms 76.223.54.146
110 2026-08-21 17:42 639229308115194575
28 ms 13.248.169.48
109 2026-08-21 17:42 639229308115194575
28 ms 76.223.54.146
108 2026-08-21 17:26 639229298320320558
27 ms 76.223.54.146
107 2026-08-21 17:26 639229298320320558
27 ms 13.248.169.48
106 2026-08-21 17:10 639229288674863221
32 ms 13.248.169.48
105 2026-08-21 17:10 639229288674863221
32 ms 76.223.54.146
104 2026-08-21 16:54 639229278983677079
55 ms 13.248.169.48
103 2026-08-21 16:54 639229278983677079
55 ms 76.223.54.146
102 2026-08-21 16:38 639229269405517175
129 ms 13.248.169.48
101 2026-08-21 16:38 639229269405517175
129 ms 76.223.54.146
100 2026-08-21 16:22 639229259594798244
37 ms 13.248.169.48
99 2026-08-21 16:22 639229259594798244
37 ms 76.223.54.146
98 2026-08-21 16:05 639229249736681188
35 ms 13.248.169.48
97 2026-08-21 16:05 639229249736681188
35 ms 76.223.54.146
96 2026-08-21 15:48 639229239699417787
59 ms 13.248.169.48
95 2026-08-21 15:48 639229239699417787
59 ms 76.223.54.146
94 2026-08-21 15:32 639229229621964033
37 ms 13.248.169.48
93 2026-08-21 15:32 639229229621964033
37 ms 76.223.54.146
92 2026-08-21 15:15 639229219567270965
37 ms 13.248.169.48
91 2026-08-21 15:15 639229219567270965
37 ms 76.223.54.146
90 2026-08-21 14:58 639229209406666856
62 ms 13.248.169.48
89 2026-08-21 14:58 639229209406666856
62 ms 76.223.54.146
88 2026-08-21 14:05 639229177815876178
71 ms 13.248.169.48
87 2026-08-21 14:05 639229177815876178
71 ms 76.223.54.146
86 2026-08-21 13:49 639229168243572685
43 ms 13.248.169.48
85 2026-08-21 13:49 639229168243572685
43 ms 76.223.54.146
84 2026-08-21 13:33 639229158599856475
21 ms 76.223.54.146
83 2026-08-21 13:33 639229158599856475
21 ms 13.248.169.48
82 2026-08-21 13:17 639229148998940902
30 ms 76.223.54.146
81 2026-08-21 13:17 639229148998940902
30 ms 13.248.169.48
80 2026-08-21 13:01 639229139276923594
27 ms 76.223.54.146
79 2026-08-21 13:01 639229139276923594
27 ms 13.248.169.48
78 2026-08-21 12:45 639229129709912394
29 ms 13.248.169.48
77 2026-08-21 12:45 639229129709912394
29 ms 76.223.54.146
76 2026-08-21 12:29 639229119801488500
44 ms 13.248.169.48
75 2026-08-21 12:29 639229119801488500
44 ms 76.223.54.146
74 2026-08-21 12:12 639229110135262458
114 ms 13.248.169.48
73 2026-08-21 12:12 639229110135262458
114 ms 76.223.54.146
72 2026-08-21 11:56 639229100336051392
17 ms 76.223.54.146
71 2026-08-21 11:56 639229100336051392
17 ms 13.248.169.48
70 2026-08-21 11:40 639229090641415626
46 ms 13.248.169.48
69 2026-08-21 11:40 639229090641415626
46 ms 76.223.54.146
68 2026-08-21 11:23 639229080702683947
55 ms 13.248.169.48
67 2026-08-21 11:23 639229080702683947
55 ms 76.223.54.146
66 2026-08-21 11:07 639229070601456699
23 ms 76.223.54.146
65 2026-08-21 11:07 639229070601456699
23 ms 13.248.169.48
64 2026-08-21 10:14 639229038947447232
42 ms 76.223.54.146
63 2026-08-21 10:14 639229038947447232
42 ms 13.248.169.48
62 2026-08-21 09:58 639229029268708773
41 ms 13.248.169.48
61 2026-08-21 09:58 639229029268708773
41 ms 76.223.54.146
60 2026-08-21 09:42 639229019647910603
26 ms 13.248.169.48
59 2026-08-21 09:42 639229019647910603
26 ms 76.223.54.146
58 2026-08-21 09:26 639229009983843738
73 ms 13.248.169.48
57 2026-08-21 09:26 639229009983843738
73 ms 76.223.54.146
56 2026-08-21 09:09 639229000203331882
33 ms 13.248.169.48
55 2026-08-21 09:09 639229000203331882
33 ms 76.223.54.146
54 2026-08-21 08:53 639228990302335999
40 ms 76.223.54.146
53 2026-08-21 08:53 639228990302335999
40 ms 13.248.169.48
52 2026-08-21 08:37 639228980567740722
84 ms 13.248.169.48
51 2026-08-21 08:37 639228980567740722
84 ms 76.223.54.146
50 2026-08-21 08:20 639228970762445174
75 ms 13.248.169.48
49 2026-08-21 08:20 639228970762445174
75 ms 76.223.54.146
48 2026-08-21 08:04 639228961065054445
99 ms 76.223.54.146
47 2026-08-21 08:04 639228961065054445
99 ms 13.248.169.48
46 2026-08-21 07:48 639228951224649885
144 ms 13.248.169.48
45 2026-08-21 07:48 639228951224649885
144 ms 76.223.54.146
44 2026-08-21 07:31 639228941303864592
37 ms 13.248.169.48
43 2026-08-21 07:31 639228941303864592
37 ms 76.223.54.146
42 2026-08-21 07:14 639228931191328583
14 ms 13.248.169.48
41 2026-08-21 07:14 639228931191328583
14 ms 76.223.54.146
40 2026-08-21 06:22 639228899518173317
82 ms 13.248.169.48
39 2026-08-21 06:22 639228899518173317
82 ms 76.223.54.146
38 2026-08-21 06:05 639228889785027669
22 ms 76.223.54.146
37 2026-08-21 06:05 639228889785027669
22 ms 13.248.169.48
36 2026-08-21 05:49 639228880106330161
39 ms 13.248.169.48
35 2026-08-21 05:49 639228880106330161
39 ms 76.223.54.146
34 2026-08-21 05:33 639228870316184091
31 ms 13.248.169.48
33 2026-08-21 05:33 639228870316184091
31 ms 76.223.54.146
32 2026-08-21 05:17 639228860695366512
4 ms 76.223.54.146
31 2026-08-21 05:17 639228860695366512
4 ms 13.248.169.48
30 2026-08-21 05:01 639228851027209500
44 ms 13.248.169.48
29 2026-08-21 05:01 639228851027209500
44 ms 76.223.54.146
28 2026-08-21 04:45 639228841479265462
31 ms 13.248.169.48
27 2026-08-21 04:45 639228841479265462
31 ms 76.223.54.146
26 2026-08-21 04:29 639228831752962260
130 ms 76.223.54.146
25 2026-08-21 04:29 639228831752962260
130 ms 13.248.169.48
24 2026-08-21 04:12 639228821953295483
21 ms 76.223.54.146
23 2026-08-21 04:12 639228821953295483
21 ms 13.248.169.48
22 2026-08-21 03:56 639228812227429953
58 ms 13.248.169.48
21 2026-08-21 03:56 639228812227429953
58 ms 76.223.54.146
20 2026-08-21 03:40 639228802476107538
43 ms 13.248.169.48
19 2026-08-21 03:40 639228802476107538
43 ms 76.223.54.146
18 2026-08-21 03:23 639228792525492032
46 ms 13.248.169.48
17 2026-08-21 03:23 639228792525492032
46 ms 76.223.54.146
16 2026-08-21 02:31 639228761131421385
61 ms 13.248.169.48
15 2026-08-21 02:31 639228761131421385
61 ms 76.223.54.146
14 2026-08-21 02:15 639228751571206692
53 ms 13.248.169.48
13 2026-08-21 02:15 639228751571206692
53 ms 76.223.54.146
12 2026-08-21 01:58 639228741705571019
40 ms 13.248.169.48
11 2026-08-21 01:58 639228741705571019
40 ms 76.223.54.146
10 2026-08-21 01:42 639228731642208228
45 ms 76.223.54.146
9 2026-08-21 01:42 639228731642208228
45 ms 13.248.169.48
8 2026-08-21 00:50 639228700387002072
2061 ms 13.248.169.48
7 2026-08-21 00:50 639228700387002072
2061 ms 76.223.54.146
6 2026-08-21 00:33 639228690742014433
28 ms 13.248.169.48
5 2026-08-21 00:33 639228690742014433
28 ms 76.223.54.146
4 2026-08-21 00:17 639228680877937122
39 ms 13.248.169.48
3 2026-08-21 00:17 639228680877937122
39 ms 76.223.54.146
2 2026-08-21 00:00 639228670775860800
115 ms 76.223.54.146
1 2026-08-21 00:00 639228670775860800
115 ms 13.248.169.48