DNS response history for auth1.dns.cogento.com

auth1.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 2026-08-15. For this date, NameServerHistory found 151 DNS check records, 150 successful responses, 1 failed responses, and 257 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 auth1.dns.cogento.com.
Records on Selected Date

151

Historical checks stored for this nameserver on selected date

Average Latency

257 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-15 23:54

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

150

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 auth1.dns.cogento.com

Showing DNS history for 2026-08-15 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
151 2026-08-15 23:54 639224347685767174
2016 ms 76.223.54.146
150 2026-08-15 23:54 639224347685767174
2016 ms 13.248.169.48
149 2026-08-15 23:39 639224338276675277
32 ms 13.248.169.48
148 2026-08-15 23:39 639224338276675277
32 ms 76.223.54.146
147 2026-08-15 22:46 639224306594546649
31 ms 13.248.169.48
146 2026-08-15 22:46 639224306594546649
31 ms 76.223.54.146
145 2026-08-15 22:30 639224297145423303
32 ms 13.248.169.48
144 2026-08-15 22:30 639224297145423303
32 ms 76.223.54.146
143 2026-08-15 22:14 639224287678238833
45 ms 13.248.169.48
142 2026-08-15 22:14 639224287678238833
45 ms 76.223.54.146
141 2026-08-15 21:59 639224278490872828
40 ms 13.248.169.48
140 2026-08-15 21:59 639224278490872828
40 ms 76.223.54.146
139 2026-08-15 21:43 639224269149307826
360 ms 13.248.169.48
138 2026-08-15 21:43 639224269149307826
360 ms 76.223.54.146
137 2026-08-15 21:28 639224259868597616
32 ms 13.248.169.48
136 2026-08-15 21:28 639224259868597616
32 ms 76.223.54.146
135 2026-08-15 21:12 639224250518642175
39 ms 13.248.169.48
134 2026-08-15 21:12 639224250518642175
39 ms 76.223.54.146
133 2026-08-15 20:57 639224241064772383
22 ms 76.223.54.146
132 2026-08-15 20:57 639224241064772383
22 ms 13.248.169.48
131 2026-08-15 20:41 639224231691099605
39 ms 13.248.169.48
130 2026-08-15 20:41 639224231691099605
39 ms 76.223.54.146
129 2026-08-15 20:26 639224222468168159
28 ms 13.248.169.48
128 2026-08-15 20:26 639224222468168159
28 ms 76.223.54.146
127 2026-08-15 20:10 639224213173899635
45 ms 13.248.169.48
126 2026-08-15 20:10 639224213173899635
45 ms 76.223.54.146
125 2026-08-15 19:55 639224203914451783
-
124 2026-08-15 19:02 639224172202542163
39 ms 13.248.169.48
123 2026-08-15 19:02 639224172202542163
39 ms 76.223.54.146
122 2026-08-15 18:47 639224163338654093
36 ms 13.248.169.48
121 2026-08-15 18:47 639224163338654093
36 ms 76.223.54.146
120 2026-08-15 18:32 639224154287995374
41 ms 13.248.169.48
119 2026-08-15 18:32 639224154287995374
41 ms 76.223.54.146
118 2026-08-15 18:16 639224145118612503
2037 ms 76.223.54.146
117 2026-08-15 18:16 639224145118612503
2037 ms 13.248.169.48
116 2026-08-15 18:01 639224135995990731
36 ms 76.223.54.146
115 2026-08-15 18:01 639224135995990731
36 ms 13.248.169.48
114 2026-08-15 17:47 639224127185332624
74 ms 76.223.54.146
113 2026-08-15 17:47 639224127185332624
74 ms 13.248.169.48
112 2026-08-15 17:32 639224118229289175
52 ms 13.248.169.48
111 2026-08-15 17:32 639224118229289175
52 ms 76.223.54.146
110 2026-08-15 17:17 639224109273796359
51 ms 13.248.169.48
109 2026-08-15 17:17 639224109273796359
51 ms 76.223.54.146
108 2026-08-15 17:02 639224100490805608
21 ms 13.248.169.48
107 2026-08-15 17:02 639224100490805608
21 ms 76.223.54.146
106 2026-08-15 16:47 639224091353714490
2016 ms 76.223.54.146
105 2026-08-15 16:47 639224091353714490
2016 ms 13.248.169.48
104 2026-08-15 16:31 639224082033126828
32 ms 13.248.169.48
103 2026-08-15 16:31 639224082033126828
32 ms 76.223.54.146
102 2026-08-15 16:16 639224072736962403
39 ms 13.248.169.48
101 2026-08-15 16:16 639224072736962403
39 ms 76.223.54.146
100 2026-08-15 15:24 639224041475563754
24 ms 13.248.169.48
99 2026-08-15 15:24 639224041475563754
24 ms 76.223.54.146
98 2026-08-15 15:09 639224032345604453
23 ms 76.223.54.146
97 2026-08-15 15:09 639224032345604453
23 ms 13.248.169.48
96 2026-08-15 14:53 639224023169497283
33 ms 13.248.169.48
95 2026-08-15 14:53 639224023169497283
33 ms 76.223.54.146
94 2026-08-15 14:38 639224013981146405
14 ms 13.248.169.48
93 2026-08-15 14:38 639224013981146405
14 ms 76.223.54.146
92 2026-08-15 14:23 639224004883412586
13 ms 13.248.169.48
91 2026-08-15 14:23 639224004883412586
13 ms 76.223.54.146
90 2026-08-15 14:07 639223995612880615
13 ms 13.248.169.48
89 2026-08-15 14:07 639223995612880615
13 ms 76.223.54.146
88 2026-08-15 13:52 639223986271830789
33 ms 13.248.169.48
87 2026-08-15 13:52 639223986271830789
33 ms 76.223.54.146
86 2026-08-15 13:36 639223977005780949
36 ms 13.248.169.48
85 2026-08-15 13:36 639223977005780949
36 ms 76.223.54.146
84 2026-08-15 13:21 639223967653137793
40 ms 13.248.169.48
83 2026-08-15 13:21 639223967653137793
40 ms 76.223.54.146
82 2026-08-15 13:05 639223958286010799
59 ms 13.248.169.48
81 2026-08-15 13:05 639223958286010799
59 ms 76.223.54.146
80 2026-08-15 12:50 639223948936108345
2015 ms 76.223.54.146
79 2026-08-15 12:50 639223948936108345
2015 ms 13.248.169.48
78 2026-08-15 12:34 639223939673066880
45 ms 13.248.169.48
77 2026-08-15 12:34 639223939673066880
45 ms 76.223.54.146
76 2026-08-15 11:42 639223908317760530
28 ms 76.223.54.146
75 2026-08-15 11:42 639223908317760530
28 ms 13.248.169.48
74 2026-08-15 11:27 639223898992594258
107 ms 13.248.169.48
73 2026-08-15 11:27 639223898992594258
107 ms 76.223.54.146
72 2026-08-15 11:11 639223889761312823
34 ms 13.248.169.48
71 2026-08-15 11:11 639223889761312823
34 ms 76.223.54.146
70 2026-08-15 10:56 639223880359273507
36 ms 13.248.169.48
69 2026-08-15 10:56 639223880359273507
36 ms 76.223.54.146
68 2026-08-15 10:40 639223870920466808
46 ms 13.248.169.48
67 2026-08-15 10:40 639223870920466808
46 ms 76.223.54.146
66 2026-08-15 10:24 639223861579762179
58 ms 13.248.169.48
65 2026-08-15 10:24 639223861579762179
58 ms 76.223.54.146
64 2026-08-15 10:09 639223852238616009
43 ms 13.248.169.48
63 2026-08-15 10:09 639223852238616009
43 ms 76.223.54.146
62 2026-08-15 09:53 639223843019815620
30 ms 13.248.169.48
61 2026-08-15 09:53 639223843019815620
30 ms 76.223.54.146
60 2026-08-15 09:38 639223833669915012
59 ms 13.248.169.48
59 2026-08-15 09:38 639223833669915012
59 ms 76.223.54.146
58 2026-08-15 09:23 639223824494613222
34 ms 13.248.169.48
57 2026-08-15 09:23 639223824494613222
34 ms 76.223.54.146
56 2026-08-15 09:07 639223815116325293
66 ms 13.248.169.48
55 2026-08-15 09:07 639223815116325293
66 ms 76.223.54.146
54 2026-08-15 08:51 639223805493870221
51 ms 13.248.169.48
53 2026-08-15 08:51 639223805493870221
51 ms 76.223.54.146
52 2026-08-15 07:58 639223774218660438
59 ms 76.223.54.146
51 2026-08-15 07:58 639223774218660438
59 ms 13.248.169.48
50 2026-08-15 07:42 639223764663090372
32 ms 13.248.169.48
49 2026-08-15 07:42 639223764663090372
32 ms 76.223.54.146
48 2026-08-15 07:27 639223755338811400
83 ms 13.248.169.48
47 2026-08-15 07:27 639223755338811400
83 ms 76.223.54.146
46 2026-08-15 07:11 639223746019193268
2048 ms 13.248.169.48
45 2026-08-15 07:11 639223746019193268
2048 ms 76.223.54.146
44 2026-08-15 06:56 639223736658778104
50 ms 13.248.169.48
43 2026-08-15 06:56 639223736658778104
50 ms 76.223.54.146
42 2026-08-15 06:40 639223727330194499
2052 ms 13.248.169.48
41 2026-08-15 06:40 639223727330194499
2052 ms 76.223.54.146
40 2026-08-15 06:25 639223717848514742
2031 ms 76.223.54.146
39 2026-08-15 06:25 639223717848514742
2031 ms 13.248.169.48
38 2026-08-15 06:09 639223708284754056
67 ms 13.248.169.48
37 2026-08-15 06:09 639223708284754056
67 ms 76.223.54.146
36 2026-08-15 05:53 639223699061259933
14 ms 13.248.169.48
35 2026-08-15 05:53 639223699061259933
14 ms 76.223.54.146
34 2026-08-15 05:37 639223689592545140
26 ms 13.248.169.48
33 2026-08-15 05:37 639223689592545140
26 ms 76.223.54.146
32 2026-08-15 05:21 639223680143410810
47 ms 13.248.169.48
31 2026-08-15 05:21 639223680143410810
47 ms 76.223.54.146
30 2026-08-15 05:06 639223670514517104
37 ms 13.248.169.48
29 2026-08-15 05:06 639223670514517104
37 ms 76.223.54.146
28 2026-08-15 04:13 639223638855054294
52 ms 13.248.169.48
27 2026-08-15 04:13 639223638855054294
52 ms 76.223.54.146
26 2026-08-15 03:57 639223629623335972
38 ms 13.248.169.48
25 2026-08-15 03:57 639223629623335972
38 ms 76.223.54.146
24 2026-08-15 03:42 639223620390189495
31 ms 13.248.169.48
23 2026-08-15 03:42 639223620390189495
31 ms 76.223.54.146
22 2026-08-15 03:26 639223610916950440
9 ms 13.248.169.48
21 2026-08-15 03:26 639223610916950440
9 ms 76.223.54.146
20 2026-08-15 03:11 639223601597759168
59 ms 13.248.169.48
19 2026-08-15 03:11 639223601597759168
59 ms 76.223.54.146
18 2026-08-15 02:55 639223592342172093
25 ms 13.248.169.48
17 2026-08-15 02:55 639223592342172093
25 ms 76.223.54.146
16 2026-08-15 02:40 639223583324121497
46 ms 13.248.169.48
15 2026-08-15 02:40 639223583324121497
46 ms 76.223.54.146
14 2026-08-15 02:25 639223574086714218
43 ms 13.248.169.48
13 2026-08-15 02:25 639223574086714218
43 ms 76.223.54.146
12 2026-08-15 02:09 639223564698424889
2042 ms 76.223.54.146
11 2026-08-15 02:09 639223564698424889
2042 ms 13.248.169.48
10 2026-08-15 01:54 639223555408664206
20 ms 76.223.54.146
9 2026-08-15 01:54 639223555408664206
20 ms 13.248.169.48
8 2026-08-15 01:38 639223546000912416
62 ms 13.248.169.48
7 2026-08-15 01:38 639223546000912416
62 ms 76.223.54.146
6 2026-08-15 01:22 639223536550774847
68 ms 13.248.169.48
5 2026-08-15 01:22 639223536550774847
68 ms 76.223.54.146
4 2026-08-15 00:30 639223505017205611
31 ms 13.248.169.48
3 2026-08-15 00:30 639223505017205611
31 ms 76.223.54.146
2 2026-08-15 00:15 639223495784410207
30 ms 13.248.169.48
1 2026-08-15 00:15 639223495784410207
30 ms 76.223.54.146