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 2026-08-11. For this date, NameServerHistory found 76 DNS check records, 75 successful responses, 1 failed responses, and 176 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

76

Historical checks stored for this nameserver on selected date

Average Latency

176 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-11 23:51

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

75

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 2026-08-11 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 23:51 639220888396333845
112 ms 77.223.137.136
75 2026-08-11 23:36 639220878864937382
131 ms 77.223.137.136
74 2026-08-11 22:43 639220847369072314
140 ms 77.223.137.136
73 2026-08-11 22:27 639220838037764925
108 ms 77.223.137.136
72 2026-08-11 22:11 639220828735120634
103 ms 77.223.137.136
71 2026-08-11 21:56 639220819447979766
87 ms 77.223.137.136
70 2026-08-11 21:41 639220810056531741
104 ms 77.223.137.136
69 2026-08-11 21:25 639220800745746593
64 ms 77.223.137.136
68 2026-08-11 21:09 639220791351626349
2007 ms 77.223.137.136
67 2026-08-11 20:54 639220782021256610
53 ms 77.223.137.136
66 2026-08-11 20:38 639220772603347755
60 ms 77.223.137.136
65 2026-08-11 20:22 639220763224057047
81 ms 77.223.137.136
64 2026-08-11 20:07 639220753691117767
125 ms 77.223.137.136
63 2026-08-11 19:50 639220744107836218
2070 ms 77.223.137.136
62 2026-08-11 18:57 639220711927629898
121 ms 77.223.137.136
61 2026-08-11 18:41 639220702299437921
26 ms 77.223.137.136
60 2026-08-11 18:25 639220692505468181
113 ms 77.223.137.136
59 2026-08-11 18:08 639220682669911239
2097 ms 77.223.137.136
58 2026-08-11 17:52 639220672929841526
110 ms 77.223.137.136
57 2026-08-11 17:36 639220663225662315
119 ms 77.223.137.136
56 2026-08-11 17:20 639220653846255684
37 ms 77.223.137.136
55 2026-08-11 17:04 639220644420909059
152 ms 77.223.137.136
54 2026-08-11 16:49 639220635074970435
178 ms 77.223.137.136
53 2026-08-11 16:33 639220625614385966
109 ms 77.223.137.136
52 2026-08-11 16:17 639220616132212636
125 ms 77.223.137.136
51 2026-08-11 16:01 639220606533651662
68 ms 77.223.137.136
50 2026-08-11 15:08 639220574514514318
153 ms 77.223.137.136
49 2026-08-11 14:53 639220565124823874
10 ms 77.223.137.136
48 2026-08-11 14:37 639220555799311478
135 ms 77.223.137.136
47 2026-08-11 14:22 639220546481577614
68 ms 77.223.137.136
46 2026-08-11 14:06 639220537036533154
126 ms 77.223.137.136
45 2026-08-11 13:50 639220527719177174
83 ms 77.223.137.136
44 2026-08-11 13:35 639220518173088308
109 ms 77.223.137.136
43 2026-08-11 13:19 639220508902896243
39 ms 77.223.137.136
42 2026-08-11 13:03 639220499455923005
148 ms 77.223.137.136
41 2026-08-11 12:48 639220490082583768
44 ms 77.223.137.136
40 2026-08-11 12:32 639220480636590998
107 ms 77.223.137.136
39 2026-08-11 12:14 639220469585029273
73 ms 77.223.137.136
38 2026-08-11 11:22 639220438074188884
143 ms 77.223.137.136
37 2026-08-11 11:06 639220428789720049
63 ms 77.223.137.136
36 2026-08-11 10:51 639220419558302820
109 ms 77.223.137.136
35 2026-08-11 10:36 639220410448738795
66 ms 77.223.137.136
34 2026-08-11 10:20 639220401034081530
24 ms 77.223.137.136
33 2026-08-11 10:05 639220391766674161
105 ms 77.223.137.136
32 2026-08-11 09:49 639220382275807148
127 ms 77.223.137.136
31 2026-08-11 09:33 639220373034162867
105 ms 77.223.137.136
30 2026-08-11 09:18 639220363994971859
19 ms 77.223.137.136
29 2026-08-11 09:03 639220354563965455
105 ms 77.223.137.136
28 2026-08-11 08:47 639220345437414880
109 ms 77.223.137.136
27 2026-08-11 08:32 639220336024248987
33 ms 77.223.137.136
26 2026-08-11 07:39 639220304233635692
105 ms 77.223.137.136
25 2026-08-11 07:24 639220294872170960
132 ms 77.223.137.136
24 2026-08-11 07:08 639220285547177980
252 ms 77.223.137.136
23 2026-08-11 06:53 639220276337941315
174 ms 77.223.137.136
22 2026-08-11 06:38 639220267175191677
272 ms 77.223.137.136
21 2026-08-11 06:22 639220257981518924
272 ms 77.223.137.136
20 2026-08-11 06:07 639220249265489070
121 ms 77.223.137.136
19 2026-08-11 05:53 639220240700249205
19 ms 77.223.137.136
18 2026-08-11 05:39 639220231975029986
112 ms 77.223.137.136
17 2026-08-11 05:24 639220223261176932
141 ms 77.223.137.136
16 2026-08-11 05:09 639220214366718456
66 ms 77.223.137.136
15 2026-08-11 04:54 639220205306334524
9 ms 77.223.137.136
14 2026-08-11 04:02 639220174463175061
144 ms 77.223.137.136
13 2026-08-11 03:47 639220165777190438
107 ms 77.223.137.136
12 2026-08-11 03:32 639220156880374825
62 ms 77.223.137.136
11 2026-08-11 03:18 639220148139986945
84 ms 77.223.137.136
10 2026-08-11 03:03 639220139271074299
8 ms 77.223.137.136
9 2026-08-11 02:48 639220130565901336
76 ms 77.223.137.136
8 2026-08-11 02:34 639220121659980575
-
7 2026-08-11 02:19 639220112857650894
120 ms 77.223.137.136
6 2026-08-11 02:04 639220103767686219
76 ms 77.223.137.136
5 2026-08-11 01:48 639220094545970611
24 ms 77.223.137.136
4 2026-08-11 01:33 639220085476091081
114 ms 77.223.137.136
3 2026-08-11 01:18 639220076243751161
57 ms 77.223.137.136
2 2026-08-11 00:26 639220045322845190
27 ms 77.223.137.136
1 2026-08-11 00:12 639220036434132314
48 ms 77.223.137.136