DNS response history for a.4e21.net

a.4e21.net 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 46 DNS check records, 46 successful responses, 0 failed responses, and 219 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 a.4e21.net.
Records on Selected Date

46

Historical checks stored for this nameserver on selected date

Average Latency

219 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-28 19:43

All timestamps shown in UTC

Latest Resolved IP on Selected Date

188.244.99.135

Most recently resolved hosting IP on selected date

Successful Responses

46

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 a.4e21.net

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
46 2026-08-28 19:43 639235427771603643
59 ms 188.244.99.135
45 2026-08-28 19:26 639235417327437217
49 ms 188.244.99.135
44 2026-08-28 18:33 639235385468729647
51 ms 188.244.99.135
43 2026-08-28 18:16 639235375227508188
46 ms 188.244.99.135
42 2026-08-28 17:59 639235364947407812
32 ms 188.244.99.135
41 2026-08-28 17:41 639235354434017190
69 ms 188.244.99.135
40 2026-08-28 16:48 639235322621629103
24 ms 188.244.99.135
39 2026-08-28 16:31 639235312230592801
47 ms 188.244.99.135
38 2026-08-28 16:13 639235301738139314
30 ms 188.244.99.135
37 2026-08-28 15:56 639235291168160936
56 ms 188.244.99.135
36 2026-08-28 15:02 639235258803654519
70 ms 188.244.99.135
35 2026-08-28 14:44 639235248596087996
33 ms 188.244.99.135
34 2026-08-28 14:27 639235238225955920
48 ms 188.244.99.135
33 2026-08-28 14:10 639235227727862105
26 ms 188.244.99.135
32 2026-08-28 13:16 639235195230848570
60 ms 188.244.99.135
31 2026-08-28 12:58 639235184840503274
74 ms 188.244.99.135
30 2026-08-28 12:41 639235174453894956
58 ms 188.244.99.135
29 2026-08-28 12:24 639235163898672622
47 ms 188.244.99.135
28 2026-08-28 11:31 639235132147470568
60 ms 188.244.99.135
27 2026-08-28 11:13 639235121907744088
24 ms 188.244.99.135
26 2026-08-28 10:56 639235111428014262
60 ms 188.244.99.135
25 2026-08-28 10:39 639235100921813626
81 ms 188.244.99.135
24 2026-08-28 09:45 639235068670703481
29 ms 188.244.99.135
23 2026-08-28 09:28 639235058337459445
26 ms 188.244.99.135
22 2026-08-28 09:10 639235047825109146
50 ms 188.244.99.135
21 2026-08-28 08:53 639235037383229033
62 ms 188.244.99.135
20 2026-08-28 08:00 639235005619242711
43 ms 188.244.99.135
19 2026-08-28 07:43 639234995310346584
62 ms 188.244.99.135
18 2026-08-28 07:25 639234984946548933
46 ms 188.244.99.135
17 2026-08-28 07:08 639234974608077290
47 ms 188.244.99.135
16 2026-08-28 06:15 639234942529845595
47 ms 188.244.99.135
15 2026-08-28 05:58 639234932259126627
64 ms 188.244.99.135
14 2026-08-28 05:40 639234921916735988
2035 ms 188.244.99.135
13 2026-08-28 05:23 639234911470038027
54 ms 188.244.99.135
12 2026-08-28 04:30 639234879588411654
24 ms 188.244.99.135
11 2026-08-28 04:13 639234869341589104
78 ms 188.244.99.135
10 2026-08-28 03:55 639234859012216675
8 ms 188.244.99.135
9 2026-08-28 03:38 639234848695364934
64 ms 188.244.99.135
8 2026-08-28 02:45 639234816952458162
2014 ms 188.244.99.135
7 2026-08-28 02:28 639234806773081598
54 ms 188.244.99.135
6 2026-08-28 02:11 639234796382955255
2026 ms 188.244.99.135
5 2026-08-28 01:54 639234786015782563
4 ms 188.244.99.135
4 2026-08-28 01:00 639234753811917646
2021 ms 188.244.99.135
3 2026-08-28 00:43 639234743739767811
94 ms 188.244.99.135
2 2026-08-28 00:26 639234733372362811
2 ms 188.244.99.135
1 2026-08-28 00:09 639234723048550337
1 ms 188.244.99.135