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 2026-08-13. For this date, NameServerHistory found 72 DNS check records, 71 successful responses, 1 failed responses, and 337 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

72

Historical checks stored for this nameserver on selected date

Average Latency

337 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-13 23:56

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

71

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 authns2.netcraft.com

Showing DNS history for 2026-08-13 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
72 2026-08-13 23:56 639222618462620588
40 ms 91.236.64.5
71 2026-08-13 23:39 639222608688333012
2035 ms 91.236.64.5
70 2026-08-13 23:23 639222598741756356
32 ms 91.236.64.5
69 2026-08-13 23:06 639222588615244093
48 ms 91.236.64.5
68 2026-08-13 22:12 639222556495289724
-
67 2026-08-13 21:55 639222546477917698
106 ms 91.236.64.5
66 2026-08-13 21:38 639222536257653790
42 ms 91.236.64.5
65 2026-08-13 21:20 639222525833084485
220 ms 91.236.64.5
64 2026-08-13 21:03 639222515446085004
102 ms 91.236.64.5
63 2026-08-13 20:46 639222505166766781
55 ms 91.236.64.5
62 2026-08-13 20:29 639222494930541001
55 ms 91.236.64.5
61 2026-08-13 20:12 639222484469216890
142 ms 91.236.64.5
60 2026-08-13 19:54 639222474270039940
155 ms 91.236.64.5
59 2026-08-13 19:37 639222464005587385
113 ms 91.236.64.5
58 2026-08-13 19:20 639222453485975041
45 ms 91.236.64.5
57 2026-08-13 19:02 639222442984828770
67 ms 91.236.64.5
56 2026-08-13 18:08 639222410191353397
34 ms 91.236.64.5
55 2026-08-13 17:51 639222399952628376
32 ms 91.236.64.5
54 2026-08-13 17:34 639222389608608647
90 ms 91.236.64.5
53 2026-08-13 17:17 639222379604012481
34 ms 91.236.64.5
52 2026-08-13 17:00 639222369372672858
67 ms 91.236.64.5
51 2026-08-13 16:43 639222359096909298
33 ms 91.236.64.5
50 2026-08-13 16:26 639222348814301655
2030 ms 91.236.64.5
49 2026-08-13 16:08 639222338608331104
33 ms 91.236.64.5
48 2026-08-13 15:51 639222328204609760
87 ms 91.236.64.5
47 2026-08-13 15:34 639222317859759909
61 ms 91.236.64.5
46 2026-08-13 15:17 639222307560137918
37 ms 91.236.64.5
45 2026-08-13 14:59 639222297274357149
43 ms 91.236.64.5
44 2026-08-13 14:05 639222265004477827
4009 ms 91.236.64.5
43 2026-08-13 13:49 639222255176583683
79 ms 91.236.64.5
42 2026-08-13 13:32 639222245340146131
2108 ms 91.236.64.5
41 2026-08-13 13:16 639222235662219956
53 ms 91.236.64.5
40 2026-08-13 13:00 639222225817223284
16 ms 91.236.64.5
39 2026-08-13 12:44 639222216341869648
52 ms 91.236.64.5
38 2026-08-13 12:28 639222206848442189
38 ms 91.236.64.5
37 2026-08-13 12:13 639222197538963225
81 ms 91.236.64.5
36 2026-08-13 11:57 639222188113685569
34 ms 91.236.64.5
35 2026-08-13 11:42 639222178880138458
35 ms 91.236.64.5
34 2026-08-13 11:26 639222169343013317
34 ms 91.236.64.5
33 2026-08-13 11:10 639222159910600596
39 ms 91.236.64.5
32 2026-08-13 10:18 639222128676274866
61 ms 91.236.64.5
31 2026-08-13 10:02 639222119169781983
66 ms 91.236.64.5
30 2026-08-13 09:47 639222109996148889
43 ms 91.236.64.5
29 2026-08-13 09:32 639222100791323799
45 ms 91.236.64.5
28 2026-08-13 09:17 639222091647893142
32 ms 91.236.64.5
27 2026-08-13 09:01 639222082524717649
2031 ms 91.236.64.5
26 2026-08-13 08:46 639222073378630456
46 ms 91.236.64.5
25 2026-08-13 08:31 639222064537306701
78 ms 91.236.64.5
24 2026-08-13 08:16 639222055409471864
34 ms 91.236.64.5
23 2026-08-13 08:01 639222046117152411
35 ms 91.236.64.5
22 2026-08-13 07:45 639222036915107067
39 ms 91.236.64.5
21 2026-08-13 07:30 639222027654889141
37 ms 91.236.64.5
20 2026-08-13 06:38 639221996824612035
2047 ms 91.236.64.5
19 2026-08-13 06:23 639221987863418113
44 ms 91.236.64.5
18 2026-08-13 06:08 639221979006823112
92 ms 91.236.64.5
17 2026-08-13 05:53 639221970068466615
37 ms 91.236.64.5
16 2026-08-13 05:38 639221961001585139
2095 ms 91.236.64.5
15 2026-08-13 05:23 639221952104046397
41 ms 91.236.64.5
14 2026-08-13 05:09 639221943247694484
2070 ms 91.236.64.5
13 2026-08-13 04:54 639221934603388241
29 ms 91.236.64.5
12 2026-08-13 04:39 639221925729273358
39 ms 91.236.64.5
11 2026-08-13 04:24 639221916777813401
57 ms 91.236.64.5
10 2026-08-13 04:09 639221907816913910
32 ms 91.236.64.5
9 2026-08-13 03:54 639221898639694322
28 ms 91.236.64.5
8 2026-08-13 03:04 639221868257567489
33 ms 91.236.64.5
7 2026-08-13 02:49 639221859270235608
74 ms 91.236.64.5
6 2026-08-13 02:34 639221850184464515
60 ms 91.236.64.5
5 2026-08-13 02:18 639221841141973425
32 ms 91.236.64.5
4 2026-08-13 01:28 639221810548753083
37 ms 91.236.64.5
3 2026-08-13 01:13 639221801656796262
67 ms 91.236.64.5
2 2026-08-13 00:58 639221792658715334
2037 ms 91.236.64.5
1 2026-08-13 00:43 639221783571379176
46 ms 91.236.64.5