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 2026-08-25. For this date, NameServerHistory found 136 DNS check records, 134 successful responses, 2 failed responses, and 371 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

136

Historical checks stored for this nameserver on selected date

Average Latency

371 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 23:51

All timestamps shown in UTC

Latest Resolved IP on Selected Date

13.248.169.48

Most recently resolved hosting IP on selected date

Successful Responses

134

Checks that returned a measurable response

Failed Responses

2

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 auth2.dns.cogento.com

Showing DNS history for 2026-08-25 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
136 2026-08-25 23:51 639232985300872416
50 ms 13.248.169.48
135 2026-08-25 23:51 639232985300872416
50 ms 76.223.54.146
134 2026-08-25 23:34 639232974980190573
2033 ms 13.248.169.48
133 2026-08-25 23:34 639232974980190573
2033 ms 76.223.54.146
132 2026-08-25 23:17 639232964577050707
37 ms 13.248.169.48
131 2026-08-25 23:17 639232964577050707
37 ms 76.223.54.146
130 2026-08-25 22:23 639232932163142799
45 ms 13.248.169.48
129 2026-08-25 22:23 639232932163142799
45 ms 76.223.54.146
128 2026-08-25 22:05 639232921673215474
2106 ms 13.248.169.48
127 2026-08-25 22:05 639232921673215474
2106 ms 76.223.54.146
126 2026-08-25 21:48 639232911234504639
45 ms 13.248.169.48
125 2026-08-25 21:48 639232911234504639
45 ms 76.223.54.146
124 2026-08-25 21:30 639232900747078453
38 ms 13.248.169.48
123 2026-08-25 21:30 639232900747078453
38 ms 76.223.54.146
122 2026-08-25 21:13 639232890389222534
27 ms 13.248.169.48
121 2026-08-25 21:13 639232890389222534
27 ms 76.223.54.146
120 2026-08-25 20:56 639232880143390843
65 ms 13.248.169.48
119 2026-08-25 20:56 639232880143390843
65 ms 76.223.54.146
118 2026-08-25 20:39 639232869755024069
12 ms 76.223.54.146
117 2026-08-25 20:39 639232869755024069
12 ms 13.248.169.48
116 2026-08-25 20:21 639232859355940346
38 ms 13.248.169.48
115 2026-08-25 20:21 639232859355940346
38 ms 76.223.54.146
114 2026-08-25 20:04 639232848992244953
13 ms 13.248.169.48
113 2026-08-25 20:04 639232848992244953
13 ms 76.223.54.146
112 2026-08-25 19:47 639232838596478500
37 ms 76.223.54.146
111 2026-08-25 19:47 639232838596478500
37 ms 13.248.169.48
110 2026-08-25 19:29 639232828175327683
49 ms 13.248.169.48
109 2026-08-25 19:29 639232828175327683
49 ms 76.223.54.146
108 2026-08-25 19:12 639232817798330473
2117 ms 13.248.169.48
107 2026-08-25 19:12 639232817798330473
2117 ms 76.223.54.146
106 2026-08-25 18:18 639232785462407552
37 ms 13.248.169.48
105 2026-08-25 18:18 639232785462407552
37 ms 76.223.54.146
104 2026-08-25 18:01 639232775177487032
2032 ms 76.223.54.146
103 2026-08-25 18:01 639232775177487032
2032 ms 13.248.169.48
102 2026-08-25 17:44 639232764991087115
27 ms 13.248.169.48
101 2026-08-25 17:44 639232764991087115
27 ms 76.223.54.146
100 2026-08-25 17:27 639232754842971478
2050 ms 76.223.54.146
99 2026-08-25 17:27 639232754842971478
2050 ms 13.248.169.48
98 2026-08-25 17:10 639232744455159107
14 ms 13.248.169.48
97 2026-08-25 17:10 639232744455159107
14 ms 76.223.54.146
96 2026-08-25 16:52 639232734145178231
12 ms 13.248.169.48
95 2026-08-25 16:52 639232734145178231
12 ms 76.223.54.146
94 2026-08-25 16:35 639232723827874402
26 ms 13.248.169.48
93 2026-08-25 16:35 639232723827874402
26 ms 76.223.54.146
92 2026-08-25 16:18 639232713533011892
-
91 2026-08-25 16:01 639232703065318207
42 ms 13.248.169.48
90 2026-08-25 16:01 639232703065318207
42 ms 76.223.54.146
89 2026-08-25 15:43 639232692629559470
33 ms 13.248.169.48
88 2026-08-25 15:43 639232692629559470
33 ms 76.223.54.146
87 2026-08-25 15:26 639232682238836475
36 ms 13.248.169.48
86 2026-08-25 15:26 639232682238836475
36 ms 76.223.54.146
85 2026-08-25 15:09 639232671787004306
48 ms 13.248.169.48
84 2026-08-25 15:09 639232671787004306
48 ms 76.223.54.146
83 2026-08-25 14:14 639232638994329666
62 ms 76.223.54.146
82 2026-08-25 14:14 639232638994329666
62 ms 13.248.169.48
81 2026-08-25 13:57 639232628614783237
18 ms 13.248.169.48
80 2026-08-25 13:57 639232628614783237
18 ms 76.223.54.146
79 2026-08-25 13:40 639232618360728578
38 ms 13.248.169.48
78 2026-08-25 13:40 639232618360728578
38 ms 76.223.54.146
77 2026-08-25 13:22 639232608016476376
34 ms 13.248.169.48
76 2026-08-25 13:22 639232608016476376
34 ms 76.223.54.146
75 2026-08-25 13:05 639232597643611557
34 ms 13.248.169.48
74 2026-08-25 13:05 639232597643611557
34 ms 76.223.54.146
73 2026-08-25 12:48 639232587225721862
23 ms 13.248.169.48
72 2026-08-25 12:48 639232587225721862
23 ms 76.223.54.146
71 2026-08-25 12:30 639232576780683689
81 ms 13.248.169.48
70 2026-08-25 12:30 639232576780683689
81 ms 76.223.54.146
69 2026-08-25 12:13 639232566381512620
39 ms 13.248.169.48
68 2026-08-25 12:13 639232566381512620
39 ms 76.223.54.146
67 2026-08-25 11:56 639232556111768563
46 ms 13.248.169.48
66 2026-08-25 11:56 639232556111768563
46 ms 76.223.54.146
65 2026-08-25 11:39 639232545839529039
32 ms 13.248.169.48
64 2026-08-25 11:39 639232545839529039
32 ms 76.223.54.146
63 2026-08-25 11:21 639232535349285207
12 ms 13.248.169.48
62 2026-08-25 11:21 639232535349285207
12 ms 76.223.54.146
61 2026-08-25 11:04 639232524938080723
43 ms 13.248.169.48
60 2026-08-25 11:04 639232524938080723
43 ms 76.223.54.146
59 2026-08-25 10:10 639232492740373468
12 ms 13.248.169.48
58 2026-08-25 10:10 639232492740373468
12 ms 76.223.54.146
57 2026-08-25 09:53 639232482235303141
33 ms 13.248.169.48
56 2026-08-25 09:53 639232482235303141
33 ms 76.223.54.146
55 2026-08-25 09:35 639232471861770303
106 ms 13.248.169.48
54 2026-08-25 09:35 639232471861770303
106 ms 76.223.54.146
53 2026-08-25 09:18 639232461630217327
2015 ms 13.248.169.48
52 2026-08-25 09:18 639232461630217327
2015 ms 76.223.54.146
51 2026-08-25 09:01 639232451282965990
66 ms 13.248.169.48
50 2026-08-25 09:01 639232451282965990
66 ms 76.223.54.146
49 2026-08-25 08:44 639232440814614938
2036 ms 13.248.169.48
48 2026-08-25 08:44 639232440814614938
2036 ms 76.223.54.146
47 2026-08-25 08:26 639232430410720425
35 ms 13.248.169.48
46 2026-08-25 08:26 639232430410720425
35 ms 76.223.54.146
45 2026-08-25 08:09 639232420003096185
10 ms 13.248.169.48
44 2026-08-25 08:09 639232420003096185
10 ms 76.223.54.146
43 2026-08-25 07:51 639232409467287444
11 ms 13.248.169.48
42 2026-08-25 07:51 639232409467287444
11 ms 76.223.54.146
41 2026-08-25 07:34 639232399077195997
82 ms 13.248.169.48
40 2026-08-25 07:34 639232399077195997
82 ms 76.223.54.146
39 2026-08-25 07:17 639232388731528337
82 ms 13.248.169.48
38 2026-08-25 07:17 639232388731528337
82 ms 76.223.54.146
37 2026-08-25 07:00 639232378288598612
45 ms 13.248.169.48
36 2026-08-25 07:00 639232378288598612
45 ms 76.223.54.146
35 2026-08-25 06:06 639232346196373643
176 ms 76.223.54.146
34 2026-08-25 06:06 639232346196373643
176 ms 13.248.169.48
33 2026-08-25 05:49 639232336112370741
87 ms 13.248.169.48
32 2026-08-25 05:49 639232336112370741
87 ms 76.223.54.146
31 2026-08-25 05:32 639232326146508970
61 ms 13.248.169.48
30 2026-08-25 05:32 639232326146508970
61 ms 76.223.54.146
29 2026-08-25 05:16 639232316189381720
38 ms 76.223.54.146
28 2026-08-25 05:16 639232316189381720
38 ms 13.248.169.48
27 2026-08-25 04:59 639232306217998913
16 ms 76.223.54.146
26 2026-08-25 04:59 639232306217998913
16 ms 13.248.169.48
25 2026-08-25 04:43 639232296255744174
45 ms 13.248.169.48
24 2026-08-25 04:43 639232296255744174
45 ms 76.223.54.146
23 2026-08-25 04:26 639232286095760789
2014 ms 13.248.169.48
22 2026-08-25 04:26 639232286095760789
2014 ms 76.223.54.146
21 2026-08-25 04:09 639232276086186273
101 ms 13.248.169.48
20 2026-08-25 04:09 639232276086186273
101 ms 76.223.54.146
19 2026-08-25 03:52 639232265900986425
36 ms 76.223.54.146
18 2026-08-25 03:52 639232265900986425
36 ms 13.248.169.48
17 2026-08-25 03:35 639232255723518075
32 ms 13.248.169.48
16 2026-08-25 03:35 639232255723518075
32 ms 76.223.54.146
15 2026-08-25 03:18 639232245484452890
2032 ms 13.248.169.48
14 2026-08-25 03:18 639232245484452890
2032 ms 76.223.54.146
13 2026-08-25 03:01 639232235157175331
4025 ms 76.223.54.146
12 2026-08-25 03:01 639232235157175331
4025 ms 13.248.169.48
11 2026-08-25 02:08 639232203197189095
30 ms 13.248.169.48
10 2026-08-25 02:08 639232203197189095
30 ms 76.223.54.146
9 2026-08-25 01:50 639232192844564298
2 ms 76.223.54.146
8 2026-08-25 01:50 639232192844564298
2 ms 13.248.169.48
7 2026-08-25 01:33 639232182496008942
53 ms 76.223.54.146
6 2026-08-25 01:33 639232182496008942
53 ms 13.248.169.48
5 2026-08-25 01:16 639232172197053132
44 ms 13.248.169.48
4 2026-08-25 01:16 639232172197053132
44 ms 76.223.54.146
3 2026-08-25 00:23 639232140250307418
-
2 2026-08-25 00:05 639232129927860324
26 ms 13.248.169.48
1 2026-08-25 00:05 639232129927860324
26 ms 76.223.54.146