DNS response history for ns2.rubybooks.info

ns2.rubybooks.info 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 74 DNS check records, 73 successful responses, 1 failed responses, and 391 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.rubybooks.info.
Records on Selected Date

74

Historical checks stored for this nameserver on selected date

Average Latency

391 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:50

All timestamps shown in UTC

Latest Resolved IP on Selected Date

66.45.242.220

Most recently resolved hosting IP on selected date

Successful Responses

73

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.rubybooks.info

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
74 2026-08-19 23:50 639227795899225951
110 ms 66.45.242.220
73 2026-08-19 23:34 639227786351762008
2 ms 66.45.242.220
72 2026-08-19 23:18 639227776640591733
94 ms 66.45.242.220
71 2026-08-19 23:02 639227767128841282
200 ms 66.45.242.220
70 2026-08-19 22:46 639227757477304711
2008 ms 66.45.242.220
69 2026-08-19 22:30 639227747572098014
3 ms 66.45.242.220
68 2026-08-19 22:13 639227737588613113
9 ms 66.45.242.220
67 2026-08-19 21:20 639227706134603955
95 ms 66.45.242.220
66 2026-08-19 21:05 639227696589027396
2101 ms 66.45.242.220
65 2026-08-19 20:48 639227687097707639
9 ms 66.45.242.220
64 2026-08-19 20:33 639227677474464487
106 ms 66.45.242.220
63 2026-08-19 20:16 639227667767441118
3 ms 66.45.242.220
62 2026-08-19 20:00 639227657984833832
2108 ms 66.45.242.220
61 2026-08-19 19:44 639227648079992640
98 ms 66.45.242.220
60 2026-08-19 19:27 639227638125048441
196 ms 66.45.242.220
59 2026-08-19 19:10 639227628211392142
94 ms 66.45.242.220
58 2026-08-19 18:54 639227618261696275
12 ms 66.45.242.220
57 2026-08-19 18:37 639227608366233645
3 ms 66.45.242.220
56 2026-08-19 18:21 639227598301787588
98 ms 66.45.242.220
55 2026-08-19 17:27 639227566241010716
204 ms 66.45.242.220
54 2026-08-19 17:11 639227556454538959
2203 ms 66.45.242.220
53 2026-08-19 16:55 639227546640305542
203 ms 66.45.242.220
52 2026-08-19 16:38 639227536965466472
3 ms 66.45.242.220
51 2026-08-19 16:22 639227527048658280
4 ms 66.45.242.220
50 2026-08-19 16:06 639227517386634438
199 ms 66.45.242.220
49 2026-08-19 15:49 639227507459551637
114 ms 66.45.242.220
48 2026-08-19 15:33 639227497515595277
5 ms 66.45.242.220
47 2026-08-19 15:16 639227487441798036
198 ms 66.45.242.220
46 2026-08-19 14:59 639227477445551863
2097 ms 66.45.242.220
45 2026-08-19 14:42 639227467297067891
3 ms 66.45.242.220
44 2026-08-19 14:26 639227457057795635
-
43 2026-08-19 13:32 639227425244777397
4 ms 66.45.242.220
42 2026-08-19 13:16 639227415422116485
114 ms 66.45.242.220
41 2026-08-19 12:59 639227405307256053
95 ms 66.45.242.220
40 2026-08-19 12:42 639227395396602630
4236 ms 66.45.242.220
39 2026-08-19 12:26 639227385510363611
3 ms 66.45.242.220
38 2026-08-19 12:09 639227375508324850
101 ms 66.45.242.220
37 2026-08-19 11:52 639227365326611906
243 ms 66.45.242.220
36 2026-08-19 11:36 639227355360014208
2104 ms 66.45.242.220
35 2026-08-19 11:19 639227345036782165
4 ms 66.45.242.220
34 2026-08-19 11:02 639227334992964533
4 ms 66.45.242.220
33 2026-08-19 10:45 639227324986605572
4 ms 66.45.242.220
32 2026-08-19 10:28 639227314928414539
312 ms 66.45.242.220
31 2026-08-19 09:35 639227283029182134
4 ms 66.45.242.220
30 2026-08-19 09:19 639227273294779350
96 ms 66.45.242.220
29 2026-08-19 09:02 639227263525231313
2099 ms 66.45.242.220
28 2026-08-19 08:46 639227253578313363
96 ms 66.45.242.220
27 2026-08-19 08:29 639227243649973322
241 ms 66.45.242.220
26 2026-08-19 08:13 639227233581059317
3 ms 66.45.242.220
25 2026-08-19 07:56 639227223667352067
3 ms 66.45.242.220
24 2026-08-19 07:40 639227213714837066
192 ms 66.45.242.220
23 2026-08-19 07:23 639227203701208496
2126 ms 66.45.242.220
22 2026-08-19 07:06 639227193643202179
105 ms 66.45.242.220
21 2026-08-19 06:50 639227183584431597
196 ms 66.45.242.220
20 2026-08-19 06:33 639227173347403088
3 ms 66.45.242.220
19 2026-08-19 05:39 639227141523007601
204 ms 66.45.242.220
18 2026-08-19 05:23 639227131785931574
95 ms 66.45.242.220
17 2026-08-19 05:07 639227122176475389
4 ms 66.45.242.220
16 2026-08-19 04:51 639227112668934596
103 ms 66.45.242.220
15 2026-08-19 04:35 639227102773292788
240 ms 66.45.242.220
14 2026-08-19 04:19 639227093141136930
2093 ms 66.45.242.220
13 2026-08-19 04:02 639227083449420147
3 ms 66.45.242.220
12 2026-08-19 03:46 639227073771748493
3 ms 66.45.242.220
11 2026-08-19 03:30 639227063977347614
191 ms 66.45.242.220
10 2026-08-19 03:14 639227054253519024
7 ms 66.45.242.220
9 2026-08-19 02:57 639227044381963886
107 ms 66.45.242.220
8 2026-08-19 02:41 639227034441085514
203 ms 66.45.242.220
7 2026-08-19 01:49 639227003126489968
3 ms 66.45.242.220
6 2026-08-19 01:33 639226993456311614
2 ms 66.45.242.220
5 2026-08-19 01:16 639226983847312345
95 ms 66.45.242.220
4 2026-08-19 01:00 639226974357874853
95 ms 66.45.242.220
3 2026-08-19 00:45 639226964670484721
94 ms 66.45.242.220
2 2026-08-19 00:28 639226954857899696
3 ms 66.45.242.220
1 2026-08-19 00:12 639226945091603488
2 ms 66.45.242.220