DNS response history for authns2.netcraft.com

authns2.netcraft.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 2026-08-11. For this date, NameServerHistory found 76 DNS check records, 74 successful responses, 2 failed responses, and 261 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 authns2.netcraft.com.
Records on Selected Date

76

Historical checks stored for this nameserver on selected date

Average Latency

261 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-11 23:53

All timestamps shown in UTC

Latest Resolved IP on Selected Date

91.236.64.5

Most recently resolved hosting IP on selected date

Successful Responses

74

Checks that returned a measurable response

Failed Responses

2

Checks with no response or no returned latency

Failure Rate

3%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for authns2.netcraft.com

Showing DNS history for 2026-08-11 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
76 2026-08-11 23:53 639220888396333845
39 ms 91.236.64.5
75 2026-08-11 23:37 639220878864937382
34 ms 91.236.64.5
74 2026-08-11 22:45 639220847369072314
48 ms 91.236.64.5
73 2026-08-11 22:30 639220838037764925
61 ms 91.236.64.5
72 2026-08-11 22:14 639220828735120634
42 ms 91.236.64.5
71 2026-08-11 21:59 639220819447979766
35 ms 91.236.64.5
70 2026-08-11 21:43 639220810056531741
67 ms 91.236.64.5
69 2026-08-11 21:28 639220800745746593
74 ms 91.236.64.5
68 2026-08-11 21:12 639220791351626349
35 ms 91.236.64.5
67 2026-08-11 20:56 639220782021256610
30 ms 91.236.64.5
66 2026-08-11 20:41 639220772603347755
32 ms 91.236.64.5
65 2026-08-11 20:25 639220763224057047
28 ms 91.236.64.5
64 2026-08-11 20:09 639220753691117767
30 ms 91.236.64.5
63 2026-08-11 19:53 639220744107836218
35 ms 91.236.64.5
62 2026-08-11 19:00 639220711927629898
35 ms 91.236.64.5
61 2026-08-11 18:44 639220702299437921
42 ms 91.236.64.5
60 2026-08-11 18:27 639220692505468181
57 ms 91.236.64.5
59 2026-08-11 18:11 639220682669911239
32 ms 91.236.64.5
58 2026-08-11 17:55 639220672929841526
33 ms 91.236.64.5
57 2026-08-11 17:38 639220663225662315
43 ms 91.236.64.5
56 2026-08-11 17:23 639220653846255684
33 ms 91.236.64.5
55 2026-08-11 17:07 639220644420909059
31 ms 91.236.64.5
54 2026-08-11 16:52 639220635074970435
81 ms 91.236.64.5
53 2026-08-11 16:36 639220625614385966
2011 ms 91.236.64.5
52 2026-08-11 16:20 639220616132212636
34 ms 91.236.64.5
51 2026-08-11 16:04 639220606533651662
64 ms 91.236.64.5
50 2026-08-11 15:11 639220574514514318
59 ms 91.236.64.5
49 2026-08-11 14:55 639220565124823874
59 ms 91.236.64.5
48 2026-08-11 14:39 639220555799311478
32 ms 91.236.64.5
47 2026-08-11 14:24 639220546481577614
2048 ms 91.236.64.5
46 2026-08-11 14:08 639220537036533154
32 ms 91.236.64.5
45 2026-08-11 13:53 639220527719177174
2085 ms 91.236.64.5
44 2026-08-11 13:37 639220518173088308
34 ms 91.236.64.5
43 2026-08-11 13:21 639220508902896243
92 ms 91.236.64.5
42 2026-08-11 13:06 639220499455923005
34 ms 91.236.64.5
41 2026-08-11 12:50 639220490082583768
32 ms 91.236.64.5
40 2026-08-11 12:34 639220480636590998
58 ms 91.236.64.5
39 2026-08-11 12:17 639220469585029273
9 ms 91.236.64.5
38 2026-08-11 11:22 639220438074188884
94 ms 91.236.64.5
37 2026-08-11 11:07 639220428789720049
33 ms 91.236.64.5
36 2026-08-11 10:51 639220419558302820
58 ms 91.236.64.5
35 2026-08-11 10:36 639220410448738795
49 ms 91.236.64.5
34 2026-08-11 10:21 639220401034081530
36 ms 91.236.64.5
33 2026-08-11 10:05 639220391766674161
60 ms 91.236.64.5
32 2026-08-11 09:49 639220382275807148
-
31 2026-08-11 09:34 639220373034162867
43 ms 91.236.64.5
30 2026-08-11 09:18 639220363994971859
42 ms 91.236.64.5
29 2026-08-11 09:03 639220354563965455
34 ms 91.236.64.5
28 2026-08-11 08:48 639220345437414880
12 ms 91.236.64.5
27 2026-08-11 08:32 639220336024248987
10 ms 91.236.64.5
26 2026-08-11 07:38 639220304233635692
25 ms 91.236.64.5
25 2026-08-11 07:23 639220294872170960
20 ms 91.236.64.5
24 2026-08-11 07:07 639220285547177980
2082 ms 91.236.64.5
23 2026-08-11 06:52 639220276337941315
28 ms 91.236.64.5
22 2026-08-11 06:37 639220267175191677
2052 ms 91.236.64.5
21 2026-08-11 06:21 639220257981518924
31 ms 91.236.64.5
20 2026-08-11 06:07 639220249265489070
34 ms 91.236.64.5
19 2026-08-11 05:52 639220240700249205
61 ms 91.236.64.5
18 2026-08-11 05:38 639220231975029986
2008 ms 91.236.64.5
17 2026-08-11 05:23 639220223261176932
30 ms 91.236.64.5
16 2026-08-11 05:09 639220214366718456
30 ms 91.236.64.5
15 2026-08-11 04:54 639220205306334524
74 ms 91.236.64.5
14 2026-08-11 04:00 639220174463175061
2017 ms 91.236.64.5
13 2026-08-11 03:45 639220165777190438
31 ms 91.236.64.5
12 2026-08-11 03:31 639220156880374825
54 ms 91.236.64.5
11 2026-08-11 03:16 639220148139986945
41 ms 91.236.64.5
10 2026-08-11 03:01 639220139271074299
32 ms 91.236.64.5
9 2026-08-11 02:47 639220130565901336
2066 ms 91.236.64.5
8 2026-08-11 02:32 639220121659980575
61 ms 91.236.64.5
7 2026-08-11 02:17 639220112857650894
-
6 2026-08-11 02:02 639220103767686219
94 ms 91.236.64.5
5 2026-08-11 01:47 639220094545970611
56 ms 91.236.64.5
4 2026-08-11 01:31 639220085476091081
30 ms 91.236.64.5
3 2026-08-11 01:16 639220076243751161
62 ms 91.236.64.5
2 2026-08-11 00:25 639220045322845190
100 ms 91.236.64.5
1 2026-08-11 00:10 639220036434132314
68 ms 91.236.64.5