DNS response history for ns4.lightreading.com

ns4.lightreading.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 2026-08-19. For this date, NameServerHistory found 75 DNS check records, 73 successful responses, 2 failed responses, and 224 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 ns4.lightreading.com.
Records on Selected Date

75

Historical checks stored for this nameserver on selected date

Average Latency

224 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:58

All timestamps shown in UTC

Latest Resolved IP on Selected Date

205.251.192.40

Most recently resolved hosting IP on selected date

Successful Responses

73

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 ns4.lightreading.com

Showing DNS history for 2026-08-19 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
75 2026-08-19 23:58 639227805445376839
48 ms 205.251.192.40
74 2026-08-19 23:42 639227795899225951
2028 ms 205.251.192.40
73 2026-08-19 23:26 639227786351762008
131 ms 205.251.192.40
72 2026-08-19 23:10 639227776640591733
10 ms 205.251.192.40
71 2026-08-19 22:54 639227767128841282
10 ms 205.251.192.40
70 2026-08-19 22:38 639227757477304711
30 ms 205.251.192.40
69 2026-08-19 22:22 639227747572098014
44 ms 205.251.192.40
68 2026-08-19 22:05 639227737588613113
7 ms 205.251.192.40
67 2026-08-19 21:12 639227706134603955
43 ms 205.251.192.40
66 2026-08-19 20:56 639227696589027396
30 ms 205.251.192.40
65 2026-08-19 20:41 639227687097707639
15 ms 205.251.192.40
64 2026-08-19 20:25 639227677474464487
31 ms 205.251.192.40
63 2026-08-19 20:09 639227667767441118
52 ms 205.251.192.40
62 2026-08-19 19:52 639227657984833832
11 ms 205.251.192.40
61 2026-08-19 19:36 639227648079992640
10 ms 205.251.192.40
60 2026-08-19 19:19 639227638125048441
84 ms 205.251.192.40
59 2026-08-19 19:03 639227628211392142
50 ms 205.251.192.40
58 2026-08-19 18:46 639227618261696275
5 ms 205.251.192.40
57 2026-08-19 18:29 639227608366233645
16 ms 205.251.192.40
56 2026-08-19 18:13 639227598301787588
21 ms 205.251.192.40
55 2026-08-19 17:19 639227566241010716
46 ms 205.251.192.40
54 2026-08-19 17:03 639227556454538959
6 ms 205.251.192.40
53 2026-08-19 16:47 639227546640305542
2028 ms 205.251.192.40
52 2026-08-19 16:30 639227536965466472
15 ms 205.251.192.40
51 2026-08-19 16:14 639227527048658280
13 ms 205.251.192.40
50 2026-08-19 15:58 639227517386634438
150 ms 205.251.192.40
49 2026-08-19 15:41 639227507459551637
2039 ms 205.251.192.40
48 2026-08-19 15:25 639227497515595277
10 ms 205.251.192.40
47 2026-08-19 15:08 639227487441798036
9 ms 205.251.192.40
46 2026-08-19 14:51 639227477445551863
8 ms 205.251.192.40
45 2026-08-19 14:34 639227467297067891
45 ms 205.251.192.40
44 2026-08-19 14:17 639227457057795635
41 ms 205.251.192.40
43 2026-08-19 13:24 639227425244777397
6 ms 205.251.192.40
42 2026-08-19 13:08 639227415422116485
53 ms 205.251.192.40
41 2026-08-19 12:51 639227405307256053
17 ms 205.251.192.40
40 2026-08-19 12:35 639227395396602630
18 ms 205.251.192.40
39 2026-08-19 12:18 639227385510363611
16 ms 205.251.192.40
38 2026-08-19 12:01 639227375508324850
25 ms 205.251.192.40
37 2026-08-19 11:44 639227365326611906
11 ms 205.251.192.40
36 2026-08-19 11:28 639227355360014208
41 ms 205.251.192.40
35 2026-08-19 11:11 639227345036782165
2035 ms 205.251.192.40
34 2026-08-19 10:54 639227334992964533
11 ms 205.251.192.40
33 2026-08-19 10:37 639227324986605572
25 ms 205.251.192.40
32 2026-08-19 10:20 639227314928414539
30 ms 205.251.192.40
31 2026-08-19 09:27 639227283029182134
57 ms 205.251.192.40
30 2026-08-19 09:11 639227273294779350
11 ms 205.251.192.40
29 2026-08-19 08:55 639227263525231313
130 ms 205.251.192.40
28 2026-08-19 08:38 639227253578313363
2047 ms 205.251.192.40
27 2026-08-19 08:22 639227243649973322
45 ms 205.251.192.40
26 2026-08-19 08:05 639227233581059317
-
25 2026-08-19 07:48 639227223667352067
2062 ms 205.251.192.40
24 2026-08-19 07:32 639227213714837066
7 ms 205.251.192.40
23 2026-08-19 07:15 639227203701208496
8 ms 205.251.192.40
22 2026-08-19 06:58 639227193643202179
53 ms 205.251.192.40
21 2026-08-19 06:41 639227183584431597
6 ms 205.251.192.40
20 2026-08-19 06:25 639227173347403088
29 ms 205.251.192.40
19 2026-08-19 05:31 639227141523007601
36 ms 205.251.192.40
18 2026-08-19 05:15 639227131785931574
24 ms 205.251.192.40
17 2026-08-19 04:59 639227122176475389
34 ms 205.251.192.40
16 2026-08-19 04:43 639227112668934596
13 ms 205.251.192.40
15 2026-08-19 04:27 639227102773292788
46 ms 205.251.192.40
14 2026-08-19 04:11 639227093141136930
21 ms 205.251.192.40
13 2026-08-19 03:55 639227083449420147
44 ms 205.251.192.40
12 2026-08-19 03:38 639227073771748493
43 ms 205.251.192.40
11 2026-08-19 03:22 639227063977347614
45 ms 205.251.192.40
10 2026-08-19 03:06 639227054253519024
2019 ms 205.251.192.40
9 2026-08-19 02:49 639227044381963886
30 ms 205.251.192.40
8 2026-08-19 02:33 639227034441085514
5 ms 205.251.192.40
7 2026-08-19 01:41 639227003126489968
4 ms 205.251.192.40
6 2026-08-19 01:25 639226993456311614
10 ms 205.251.192.40
5 2026-08-19 01:09 639226983847312345
10 ms 205.251.192.40
4 2026-08-19 00:53 639226974357874853
52 ms 205.251.192.40
3 2026-08-19 00:37 639226964670484721
39 ms 205.251.192.40
2 2026-08-19 00:20 639226954857899696
-
1 2026-08-19 00:04 639226945091603488
24 ms 205.251.192.40