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 2026-08-28. For this date, NameServerHistory found 88 DNS check records, 88 successful responses, 0 failed responses, and 274 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

88

Historical checks stored for this nameserver on selected date

Average Latency

274 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-28 18:31

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

88

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 auth1.dns.cogento.com

Showing DNS history for 2026-08-28 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
88 2026-08-28 18:31 639235385468729647
23 ms 13.248.169.48
87 2026-08-28 18:31 639235385468729647
23 ms 76.223.54.146
86 2026-08-28 18:14 639235375227508188
25 ms 13.248.169.48
85 2026-08-28 18:14 639235375227508188
25 ms 76.223.54.146
84 2026-08-28 17:57 639235364947407812
34 ms 13.248.169.48
83 2026-08-28 17:57 639235364947407812
34 ms 76.223.54.146
82 2026-08-28 17:40 639235354434017190
76 ms 13.248.169.48
81 2026-08-28 17:40 639235354434017190
76 ms 76.223.54.146
80 2026-08-28 16:46 639235322621629103
132 ms 13.248.169.48
79 2026-08-28 16:46 639235322621629103
132 ms 76.223.54.146
78 2026-08-28 16:29 639235312230592801
2032 ms 13.248.169.48
77 2026-08-28 16:29 639235312230592801
2032 ms 76.223.54.146
76 2026-08-28 16:12 639235301738139314
2017 ms 76.223.54.146
75 2026-08-28 16:12 639235301738139314
2017 ms 13.248.169.48
74 2026-08-28 15:54 639235291168160936
105 ms 13.248.169.48
73 2026-08-28 15:54 639235291168160936
105 ms 76.223.54.146
72 2026-08-28 15:00 639235258803654519
30 ms 13.248.169.48
71 2026-08-28 15:00 639235258803654519
30 ms 76.223.54.146
70 2026-08-28 14:43 639235248596087996
36 ms 13.248.169.48
69 2026-08-28 14:43 639235248596087996
36 ms 76.223.54.146
68 2026-08-28 14:26 639235238225955920
37 ms 76.223.54.146
67 2026-08-28 14:26 639235238225955920
37 ms 13.248.169.48
66 2026-08-28 14:08 639235227727862105
35 ms 13.248.169.48
65 2026-08-28 14:08 639235227727862105
35 ms 76.223.54.146
64 2026-08-28 13:14 639235195230848570
31 ms 13.248.169.48
63 2026-08-28 13:14 639235195230848570
31 ms 76.223.54.146
62 2026-08-28 12:57 639235184840503274
44 ms 13.248.169.48
61 2026-08-28 12:57 639235184840503274
44 ms 76.223.54.146
60 2026-08-28 12:40 639235174453894956
59 ms 13.248.169.48
59 2026-08-28 12:40 639235174453894956
59 ms 76.223.54.146
58 2026-08-28 12:22 639235163898672622
92 ms 13.248.169.48
57 2026-08-28 12:22 639235163898672622
92 ms 76.223.54.146
56 2026-08-28 11:29 639235132147470568
2062 ms 76.223.54.146
55 2026-08-28 11:29 639235132147470568
2062 ms 13.248.169.48
54 2026-08-28 11:12 639235121907744088
53 ms 13.248.169.48
53 2026-08-28 11:12 639235121907744088
53 ms 76.223.54.146
52 2026-08-28 10:55 639235111428014262
72 ms 76.223.54.146
51 2026-08-28 10:55 639235111428014262
72 ms 13.248.169.48
50 2026-08-28 10:37 639235100921813626
9 ms 13.248.169.48
49 2026-08-28 10:37 639235100921813626
9 ms 76.223.54.146
48 2026-08-28 09:43 639235068670703481
57 ms 13.248.169.48
47 2026-08-28 09:43 639235068670703481
57 ms 76.223.54.146
46 2026-08-28 09:26 639235058337459445
60 ms 13.248.169.48
45 2026-08-28 09:26 639235058337459445
60 ms 76.223.54.146
44 2026-08-28 09:09 639235047825109146
108 ms 13.248.169.48
43 2026-08-28 09:09 639235047825109146
108 ms 76.223.54.146
42 2026-08-28 08:51 639235037383229033
32 ms 13.248.169.48
41 2026-08-28 08:51 639235037383229033
32 ms 76.223.54.146
40 2026-08-28 07:58 639235005619242711
48 ms 13.248.169.48
39 2026-08-28 07:58 639235005619242711
48 ms 76.223.54.146
38 2026-08-28 07:41 639234995310346584
37 ms 13.248.169.48
37 2026-08-28 07:41 639234995310346584
37 ms 76.223.54.146
36 2026-08-28 07:24 639234984946548933
2032 ms 76.223.54.146
35 2026-08-28 07:24 639234984946548933
2032 ms 13.248.169.48
34 2026-08-28 07:07 639234974608077290
2020 ms 13.248.169.48
33 2026-08-28 07:07 639234974608077290
2020 ms 76.223.54.146
32 2026-08-28 06:13 639234942529845595
82 ms 13.248.169.48
31 2026-08-28 06:13 639234942529845595
82 ms 76.223.54.146
30 2026-08-28 05:56 639234932259126627
69 ms 13.248.169.48
29 2026-08-28 05:56 639234932259126627
69 ms 76.223.54.146
28 2026-08-28 05:39 639234921916735988
51 ms 13.248.169.48
27 2026-08-28 05:39 639234921916735988
51 ms 76.223.54.146
26 2026-08-28 05:21 639234911470038027
22 ms 76.223.54.146
25 2026-08-28 05:21 639234911470038027
22 ms 13.248.169.48
24 2026-08-28 04:28 639234879588411654
78 ms 13.248.169.48
23 2026-08-28 04:28 639234879588411654
78 ms 76.223.54.146
22 2026-08-28 04:11 639234869341589104
30 ms 76.223.54.146
21 2026-08-28 04:11 639234869341589104
30 ms 13.248.169.48
20 2026-08-28 03:54 639234859012216675
37 ms 76.223.54.146
19 2026-08-28 03:54 639234859012216675
37 ms 13.248.169.48
18 2026-08-28 03:37 639234848695364934
30 ms 13.248.169.48
17 2026-08-28 03:37 639234848695364934
30 ms 76.223.54.146
16 2026-08-28 02:44 639234816952458162
10 ms 13.248.169.48
15 2026-08-28 02:44 639234816952458162
10 ms 76.223.54.146
14 2026-08-28 02:27 639234806773081598
29 ms 13.248.169.48
13 2026-08-28 02:27 639234806773081598
29 ms 76.223.54.146
12 2026-08-28 02:10 639234796382955255
35 ms 76.223.54.146
11 2026-08-28 02:10 639234796382955255
35 ms 13.248.169.48
10 2026-08-28 01:52 639234786015782563
49 ms 13.248.169.48
9 2026-08-28 01:52 639234786015782563
49 ms 76.223.54.146
8 2026-08-28 00:58 639234753811917646
12 ms 13.248.169.48
7 2026-08-28 00:58 639234753811917646
12 ms 76.223.54.146
6 2026-08-28 00:42 639234743739767811
39 ms 13.248.169.48
5 2026-08-28 00:42 639234743739767811
39 ms 76.223.54.146
4 2026-08-28 00:24 639234733372362811
55 ms 13.248.169.48
3 2026-08-28 00:24 639234733372362811
55 ms 76.223.54.146
2 2026-08-28 00:07 639234723048550337
33 ms 13.248.169.48
1 2026-08-28 00:07 639234723048550337
33 ms 76.223.54.146