DNS response history for ns2.a1cert.com

ns2.a1cert.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 77 DNS check records, 76 successful responses, 1 failed responses, and 294 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 ns2.a1cert.com.
Records on Selected Date

77

Historical checks stored for this nameserver on selected date

Average Latency

294 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-15 23:59

All timestamps shown in UTC

Latest Resolved IP on Selected Date

77.223.137.136

Most recently resolved hosting IP on selected date

Successful Responses

76

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 ns2.a1cert.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
77 2026-08-15 23:59 639224347685767174
58 ms 77.223.137.136
76 2026-08-15 23:43 639224338276675277
2116 ms 77.223.137.136
75 2026-08-15 22:50 639224306594546649
105 ms 77.223.137.136
74 2026-08-15 22:34 639224297145423303
2061 ms 77.223.137.136
73 2026-08-15 22:18 639224287678238833
160 ms 77.223.137.136
72 2026-08-15 22:03 639224278490872828
64 ms 77.223.137.136
71 2026-08-15 21:47 639224269149307826
120 ms 77.223.137.136
70 2026-08-15 21:32 639224259868597616
121 ms 77.223.137.136
69 2026-08-15 21:16 639224250518642175
2120 ms 77.223.137.136
68 2026-08-15 21:00 639224241064772383
103 ms 77.223.137.136
67 2026-08-15 20:45 639224231691099605
165 ms 77.223.137.136
66 2026-08-15 20:30 639224222468168159
108 ms 77.223.137.136
65 2026-08-15 20:14 639224213173899635
120 ms 77.223.137.136
64 2026-08-15 19:58 639224203914451783
2079 ms 77.223.137.136
63 2026-08-15 19:06 639224172202542163
58 ms 77.223.137.136
62 2026-08-15 18:51 639224163338654093
2110 ms 77.223.137.136
61 2026-08-15 18:36 639224154287995374
115 ms 77.223.137.136
60 2026-08-15 18:21 639224145118612503
66 ms 77.223.137.136
59 2026-08-15 18:05 639224135995990731
57 ms 77.223.137.136
58 2026-08-15 17:50 639224127185332624
102 ms 77.223.137.136
57 2026-08-15 17:35 639224118229289175
143 ms 77.223.137.136
56 2026-08-15 17:21 639224109273796359
108 ms 77.223.137.136
55 2026-08-15 17:06 639224100490805608
127 ms 77.223.137.136
54 2026-08-15 16:51 639224091353714490
88 ms 77.223.137.136
53 2026-08-15 16:35 639224082033126828
10 ms 77.223.137.136
52 2026-08-15 16:20 639224072736962403
58 ms 77.223.137.136
51 2026-08-15 15:26 639224041475563754
93 ms 77.223.137.136
50 2026-08-15 15:11 639224032345604453
2009 ms 77.223.137.136
49 2026-08-15 14:56 639224023169497283
2106 ms 77.223.137.136
48 2026-08-15 14:40 639224013981146405
104 ms 77.223.137.136
47 2026-08-15 14:25 639224004883412586
67 ms 77.223.137.136
46 2026-08-15 14:10 639223995612880615
119 ms 77.223.137.136
45 2026-08-15 13:54 639223986271830789
54 ms 77.223.137.136
44 2026-08-15 13:39 639223977005780949
-
43 2026-08-15 13:23 639223967653137793
52 ms 77.223.137.136
42 2026-08-15 13:07 639223958286010799
53 ms 77.223.137.136
41 2026-08-15 12:52 639223948936108345
110 ms 77.223.137.136
40 2026-08-15 12:36 639223939673066880
121 ms 77.223.137.136
39 2026-08-15 11:45 639223908317760530
7 ms 77.223.137.136
38 2026-08-15 11:29 639223898992594258
105 ms 77.223.137.136
37 2026-08-15 11:14 639223889761312823
14 ms 77.223.137.136
36 2026-08-15 10:58 639223880359273507
56 ms 77.223.137.136
35 2026-08-15 10:43 639223870920466808
62 ms 77.223.137.136
34 2026-08-15 10:27 639223861579762179
27 ms 77.223.137.136
33 2026-08-15 10:11 639223852238616009
7 ms 77.223.137.136
32 2026-08-15 09:56 639223843019815620
8 ms 77.223.137.136
31 2026-08-15 09:40 639223833669915012
34 ms 77.223.137.136
30 2026-08-15 09:25 639223824494613222
128 ms 77.223.137.136
29 2026-08-15 09:09 639223815116325293
106 ms 77.223.137.136
28 2026-08-15 08:54 639223805493870221
134 ms 77.223.137.136
27 2026-08-15 08:01 639223774218660438
104 ms 77.223.137.136
26 2026-08-15 07:46 639223764663090372
108 ms 77.223.137.136
25 2026-08-15 07:30 639223755338811400
18 ms 77.223.137.136
24 2026-08-15 07:14 639223746019193268
117 ms 77.223.137.136
23 2026-08-15 06:59 639223736658778104
2023 ms 77.223.137.136
22 2026-08-15 06:43 639223727330194499
106 ms 77.223.137.136
21 2026-08-15 06:28 639223717848514742
82 ms 77.223.137.136
20 2026-08-15 06:12 639223708284754056
36 ms 77.223.137.136
19 2026-08-15 05:56 639223699061259933
97 ms 77.223.137.136
18 2026-08-15 05:40 639223689592545140
121 ms 77.223.137.136
17 2026-08-15 05:24 639223680143410810
75 ms 77.223.137.136
16 2026-08-15 05:09 639223670514517104
118 ms 77.223.137.136
15 2026-08-15 04:16 639223638855054294
9 ms 77.223.137.136
14 2026-08-15 04:01 639223629623335972
63 ms 77.223.137.136
13 2026-08-15 03:45 639223620390189495
98 ms 77.223.137.136
12 2026-08-15 03:30 639223610916950440
101 ms 77.223.137.136
11 2026-08-15 03:14 639223601597759168
66 ms 77.223.137.136
10 2026-08-15 02:59 639223592342172093
71 ms 77.223.137.136
9 2026-08-15 02:44 639223583324121497
62 ms 77.223.137.136
8 2026-08-15 02:28 639223574086714218
19 ms 77.223.137.136
7 2026-08-15 02:13 639223564698424889
121 ms 77.223.137.136
6 2026-08-15 01:57 639223555408664206
82 ms 77.223.137.136
5 2026-08-15 01:41 639223546000912416
72 ms 77.223.137.136
4 2026-08-15 01:26 639223536550774847
133 ms 77.223.137.136
3 2026-08-15 00:32 639223505017205611
103 ms 77.223.137.136
2 2026-08-15 00:17 639223495784410207
104 ms 77.223.137.136
1 2026-08-15 00:01 639223486524583054
123 ms 77.223.137.136