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 2026-08-19. For this date, NameServerHistory found 150 DNS check records, 150 successful responses, 0 failed responses, and 313 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

150

Historical checks stored for this nameserver on selected date

Average Latency

313 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:58

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

150

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 2026-08-19 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
150 2026-08-19 23:58 639227805445376839
153 ms 13.248.169.48
149 2026-08-19 23:58 639227805445376839
153 ms 76.223.54.146
148 2026-08-19 23:42 639227795899225951
44 ms 13.248.169.48
147 2026-08-19 23:42 639227795899225951
44 ms 76.223.54.146
146 2026-08-19 23:26 639227786351762008
30 ms 13.248.169.48
145 2026-08-19 23:26 639227786351762008
30 ms 76.223.54.146
144 2026-08-19 23:10 639227776640591733
55 ms 13.248.169.48
143 2026-08-19 23:10 639227776640591733
55 ms 76.223.54.146
142 2026-08-19 22:54 639227767128841282
2013 ms 13.248.169.48
141 2026-08-19 22:54 639227767128841282
2013 ms 76.223.54.146
140 2026-08-19 22:38 639227757477304711
2105 ms 13.248.169.48
139 2026-08-19 22:38 639227757477304711
2105 ms 76.223.54.146
138 2026-08-19 22:22 639227747572098014
13 ms 13.248.169.48
137 2026-08-19 22:22 639227747572098014
13 ms 76.223.54.146
136 2026-08-19 22:05 639227737588613113
43 ms 13.248.169.48
135 2026-08-19 22:05 639227737588613113
43 ms 76.223.54.146
134 2026-08-19 21:13 639227706134603955
35 ms 13.248.169.48
133 2026-08-19 21:13 639227706134603955
35 ms 76.223.54.146
132 2026-08-19 20:57 639227696589027396
34 ms 76.223.54.146
131 2026-08-19 20:57 639227696589027396
34 ms 13.248.169.48
130 2026-08-19 20:41 639227687097707639
31 ms 76.223.54.146
129 2026-08-19 20:41 639227687097707639
31 ms 13.248.169.48
128 2026-08-19 20:25 639227677474464487
106 ms 76.223.54.146
127 2026-08-19 20:25 639227677474464487
106 ms 13.248.169.48
126 2026-08-19 20:09 639227667767441118
35 ms 13.248.169.48
125 2026-08-19 20:09 639227667767441118
35 ms 76.223.54.146
124 2026-08-19 19:52 639227657984833832
34 ms 13.248.169.48
123 2026-08-19 19:52 639227657984833832
34 ms 76.223.54.146
122 2026-08-19 19:36 639227648079992640
22 ms 76.223.54.146
121 2026-08-19 19:36 639227648079992640
22 ms 13.248.169.48
120 2026-08-19 19:19 639227638125048441
38 ms 13.248.169.48
119 2026-08-19 19:19 639227638125048441
38 ms 76.223.54.146
118 2026-08-19 19:03 639227628211392142
2036 ms 13.248.169.48
117 2026-08-19 19:03 639227628211392142
2036 ms 76.223.54.146
116 2026-08-19 18:46 639227618261696275
40 ms 13.248.169.48
115 2026-08-19 18:46 639227618261696275
40 ms 76.223.54.146
114 2026-08-19 18:30 639227608366233645
2025 ms 13.248.169.48
113 2026-08-19 18:30 639227608366233645
2025 ms 76.223.54.146
112 2026-08-19 18:13 639227598301787588
64 ms 13.248.169.48
111 2026-08-19 18:13 639227598301787588
64 ms 76.223.54.146
110 2026-08-19 17:19 639227566241010716
42 ms 13.248.169.48
109 2026-08-19 17:19 639227566241010716
42 ms 76.223.54.146
108 2026-08-19 17:03 639227556454538959
34 ms 13.248.169.48
107 2026-08-19 17:03 639227556454538959
34 ms 76.223.54.146
106 2026-08-19 16:47 639227546640305542
33 ms 13.248.169.48
105 2026-08-19 16:47 639227546640305542
33 ms 76.223.54.146
104 2026-08-19 16:31 639227536965466472
78 ms 76.223.54.146
103 2026-08-19 16:31 639227536965466472
78 ms 13.248.169.48
102 2026-08-19 16:14 639227527048658280
47 ms 13.248.169.48
101 2026-08-19 16:14 639227527048658280
47 ms 76.223.54.146
100 2026-08-19 15:58 639227517386634438
2110 ms 13.248.169.48
99 2026-08-19 15:58 639227517386634438
2110 ms 76.223.54.146
98 2026-08-19 15:41 639227507459551637
31 ms 13.248.169.48
97 2026-08-19 15:41 639227507459551637
31 ms 76.223.54.146
96 2026-08-19 15:25 639227497515595277
25 ms 13.248.169.48
95 2026-08-19 15:25 639227497515595277
25 ms 76.223.54.146
94 2026-08-19 15:08 639227487441798036
2011 ms 13.248.169.48
93 2026-08-19 15:08 639227487441798036
2011 ms 76.223.54.146
92 2026-08-19 14:51 639227477445551863
31 ms 13.248.169.48
91 2026-08-19 14:51 639227477445551863
31 ms 76.223.54.146
90 2026-08-19 14:34 639227467297067891
32 ms 13.248.169.48
89 2026-08-19 14:34 639227467297067891
32 ms 76.223.54.146
88 2026-08-19 14:17 639227457057795635
18 ms 13.248.169.48
87 2026-08-19 14:17 639227457057795635
18 ms 76.223.54.146
86 2026-08-19 13:24 639227425244777397
49 ms 13.248.169.48
85 2026-08-19 13:24 639227425244777397
49 ms 76.223.54.146
84 2026-08-19 13:08 639227415422116485
33 ms 76.223.54.146
83 2026-08-19 13:08 639227415422116485
33 ms 13.248.169.48
82 2026-08-19 12:51 639227405307256053
68 ms 13.248.169.48
81 2026-08-19 12:51 639227405307256053
68 ms 76.223.54.146
80 2026-08-19 12:35 639227395396602630
48 ms 13.248.169.48
79 2026-08-19 12:35 639227395396602630
48 ms 76.223.54.146
78 2026-08-19 12:18 639227385510363611
10 ms 13.248.169.48
77 2026-08-19 12:18 639227385510363611
10 ms 76.223.54.146
76 2026-08-19 12:02 639227375508324850
45 ms 13.248.169.48
75 2026-08-19 12:02 639227375508324850
45 ms 76.223.54.146
74 2026-08-19 11:45 639227365326611906
44 ms 13.248.169.48
73 2026-08-19 11:45 639227365326611906
44 ms 76.223.54.146
72 2026-08-19 11:28 639227355360014208
44 ms 13.248.169.48
71 2026-08-19 11:28 639227355360014208
44 ms 76.223.54.146
70 2026-08-19 11:11 639227345036782165
135 ms 76.223.54.146
69 2026-08-19 11:11 639227345036782165
135 ms 13.248.169.48
68 2026-08-19 10:54 639227334992964533
39 ms 13.248.169.48
67 2026-08-19 10:54 639227334992964533
39 ms 76.223.54.146
66 2026-08-19 10:37 639227324986605572
2088 ms 76.223.54.146
65 2026-08-19 10:37 639227324986605572
2088 ms 13.248.169.48
64 2026-08-19 10:21 639227314928414539
16 ms 76.223.54.146
63 2026-08-19 10:21 639227314928414539
16 ms 13.248.169.48
62 2026-08-19 09:27 639227283029182134
13 ms 13.248.169.48
61 2026-08-19 09:27 639227283029182134
13 ms 76.223.54.146
60 2026-08-19 09:11 639227273294779350
51 ms 13.248.169.48
59 2026-08-19 09:11 639227273294779350
51 ms 76.223.54.146
58 2026-08-19 08:55 639227263525231313
11 ms 13.248.169.48
57 2026-08-19 08:55 639227263525231313
11 ms 76.223.54.146
56 2026-08-19 08:38 639227253578313363
34 ms 13.248.169.48
55 2026-08-19 08:38 639227253578313363
34 ms 76.223.54.146
54 2026-08-19 08:22 639227243649973322
49 ms 76.223.54.146
53 2026-08-19 08:22 639227243649973322
49 ms 13.248.169.48
52 2026-08-19 08:05 639227233581059317
34 ms 13.248.169.48
51 2026-08-19 08:05 639227233581059317
34 ms 76.223.54.146
50 2026-08-19 07:48 639227223667352067
105 ms 76.223.54.146
49 2026-08-19 07:48 639227223667352067
105 ms 13.248.169.48
48 2026-08-19 07:32 639227213714837066
2020 ms 76.223.54.146
47 2026-08-19 07:32 639227213714837066
2020 ms 13.248.169.48
46 2026-08-19 07:15 639227203701208496
55 ms 13.248.169.48
45 2026-08-19 07:15 639227203701208496
55 ms 76.223.54.146
44 2026-08-19 06:58 639227193643202179
43 ms 13.248.169.48
43 2026-08-19 06:58 639227193643202179
43 ms 76.223.54.146
42 2026-08-19 06:42 639227183584431597
26 ms 13.248.169.48
41 2026-08-19 06:42 639227183584431597
26 ms 76.223.54.146
40 2026-08-19 06:25 639227173347403088
97 ms 13.248.169.48
39 2026-08-19 06:25 639227173347403088
97 ms 76.223.54.146
38 2026-08-19 05:31 639227141523007601
33 ms 13.248.169.48
37 2026-08-19 05:31 639227141523007601
33 ms 76.223.54.146
36 2026-08-19 05:15 639227131785931574
29 ms 13.248.169.48
35 2026-08-19 05:15 639227131785931574
29 ms 76.223.54.146
34 2026-08-19 04:59 639227122176475389
74 ms 13.248.169.48
33 2026-08-19 04:59 639227122176475389
74 ms 76.223.54.146
32 2026-08-19 04:43 639227112668934596
34 ms 13.248.169.48
31 2026-08-19 04:43 639227112668934596
34 ms 76.223.54.146
30 2026-08-19 04:27 639227102773292788
12 ms 13.248.169.48
29 2026-08-19 04:27 639227102773292788
12 ms 76.223.54.146
28 2026-08-19 04:11 639227093141136930
61 ms 13.248.169.48
27 2026-08-19 04:11 639227093141136930
61 ms 76.223.54.146
26 2026-08-19 03:55 639227083449420147
2116 ms 76.223.54.146
25 2026-08-19 03:55 639227083449420147
2116 ms 13.248.169.48
24 2026-08-19 03:39 639227073771748493
28 ms 13.248.169.48
23 2026-08-19 03:39 639227073771748493
28 ms 76.223.54.146
22 2026-08-19 03:22 639227063977347614
57 ms 76.223.54.146
21 2026-08-19 03:22 639227063977347614
57 ms 13.248.169.48
20 2026-08-19 03:06 639227054253519024
40 ms 13.248.169.48
19 2026-08-19 03:06 639227054253519024
40 ms 76.223.54.146
18 2026-08-19 02:50 639227044381963886
35 ms 13.248.169.48
17 2026-08-19 02:50 639227044381963886
35 ms 76.223.54.146
16 2026-08-19 02:33 639227034441085514
32 ms 13.248.169.48
15 2026-08-19 02:33 639227034441085514
32 ms 76.223.54.146
14 2026-08-19 01:41 639227003126489968
43 ms 76.223.54.146
13 2026-08-19 01:41 639227003126489968
43 ms 13.248.169.48
12 2026-08-19 01:25 639226993456311614
50 ms 13.248.169.48
11 2026-08-19 01:25 639226993456311614
50 ms 76.223.54.146
10 2026-08-19 01:09 639226983847312345
33 ms 13.248.169.48
9 2026-08-19 01:09 639226983847312345
33 ms 76.223.54.146
8 2026-08-19 00:53 639226974357874853
117 ms 76.223.54.146
7 2026-08-19 00:53 639226974357874853
117 ms 13.248.169.48
6 2026-08-19 00:37 639226964670484721
15 ms 13.248.169.48
5 2026-08-19 00:37 639226964670484721
15 ms 76.223.54.146
4 2026-08-19 00:20 639226954857899696
2051 ms 13.248.169.48
3 2026-08-19 00:20 639226954857899696
2051 ms 76.223.54.146
2 2026-08-19 00:04 639226945091603488
29 ms 13.248.169.48
1 2026-08-19 00:04 639226945091603488
29 ms 76.223.54.146