DNS response history for master.siscom.net

master.siscom.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 2026-08-19. For this date, NameServerHistory found 74 DNS check records, 73 successful responses, 1 failed responses, and 357 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 master.siscom.net.
Records on Selected Date

74

Historical checks stored for this nameserver on selected date

Average Latency

357 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:47

All timestamps shown in UTC

Latest Resolved IP on Selected Date

206.55.208.4

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 master.siscom.net

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 23:47 639227795899225951
40 ms 206.55.208.4
73 2026-08-19 23:31 639227786351762008
111 ms 206.55.208.4
72 2026-08-19 23:15 639227776640591733
2031 ms 206.55.208.4
71 2026-08-19 22:59 639227767128841282
11 ms 206.55.208.4
70 2026-08-19 22:43 639227757477304711
120 ms 206.55.208.4
69 2026-08-19 22:26 639227747572098014
34 ms 206.55.208.4
68 2026-08-19 22:10 639227737588613113
33 ms 206.55.208.4
67 2026-08-19 21:17 639227706134603955
2038 ms 206.55.208.4
66 2026-08-19 21:01 639227696589027396
118 ms 206.55.208.4
65 2026-08-19 20:45 639227687097707639
7 ms 206.55.208.4
64 2026-08-19 20:29 639227677474464487
139 ms 206.55.208.4
63 2026-08-19 20:13 639227667767441118
15 ms 206.55.208.4
62 2026-08-19 19:57 639227657984833832
11 ms 206.55.208.4
61 2026-08-19 19:40 639227648079992640
137 ms 206.55.208.4
60 2026-08-19 19:24 639227638125048441
215 ms 206.55.208.4
59 2026-08-19 19:07 639227628211392142
129 ms 206.55.208.4
58 2026-08-19 18:50 639227618261696275
130 ms 206.55.208.4
57 2026-08-19 18:34 639227608366233645
255 ms 206.55.208.4
56 2026-08-19 18:17 639227598301787588
144 ms 206.55.208.4
55 2026-08-19 17:24 639227566241010716
157 ms 206.55.208.4
54 2026-08-19 17:08 639227556454538959
233 ms 206.55.208.4
53 2026-08-19 16:51 639227546640305542
2036 ms 206.55.208.4
52 2026-08-19 16:35 639227536965466472
124 ms 206.55.208.4
51 2026-08-19 16:18 639227527048658280
8 ms 206.55.208.4
50 2026-08-19 16:02 639227517386634438
124 ms 206.55.208.4
49 2026-08-19 15:46 639227507459551637
148 ms 206.55.208.4
48 2026-08-19 15:29 639227497515595277
260 ms 206.55.208.4
47 2026-08-19 15:13 639227487441798036
115 ms 206.55.208.4
46 2026-08-19 14:56 639227477445551863
331 ms 206.55.208.4
45 2026-08-19 14:39 639227467297067891
12 ms 206.55.208.4
44 2026-08-19 14:22 639227457057795635
237 ms 206.55.208.4
43 2026-08-19 13:29 639227425244777397
144 ms 206.55.208.4
42 2026-08-19 13:12 639227415422116485
156 ms 206.55.208.4
41 2026-08-19 12:56 639227405307256053
23 ms 206.55.208.4
40 2026-08-19 12:39 639227395396602630
249 ms 206.55.208.4
39 2026-08-19 12:23 639227385510363611
7 ms 206.55.208.4
38 2026-08-19 12:06 639227375508324850
108 ms 206.55.208.4
37 2026-08-19 11:49 639227365326611906
222 ms 206.55.208.4
36 2026-08-19 11:32 639227355360014208
-
35 2026-08-19 11:15 639227345036782165
125 ms 206.55.208.4
34 2026-08-19 10:58 639227334992964533
216 ms 206.55.208.4
33 2026-08-19 10:42 639227324986605572
138 ms 206.55.208.4
32 2026-08-19 10:25 639227314928414539
222 ms 206.55.208.4
31 2026-08-19 09:32 639227283029182134
8 ms 206.55.208.4
30 2026-08-19 09:15 639227273294779350
209 ms 206.55.208.4
29 2026-08-19 08:59 639227263525231313
10 ms 206.55.208.4
28 2026-08-19 08:43 639227253578313363
2152 ms 206.55.208.4
27 2026-08-19 08:26 639227243649973322
4007 ms 206.55.208.4
26 2026-08-19 08:09 639227233581059317
2133 ms 206.55.208.4
25 2026-08-19 07:53 639227223667352067
111 ms 206.55.208.4
24 2026-08-19 07:36 639227213714837066
7 ms 206.55.208.4
23 2026-08-19 07:19 639227203701208496
123 ms 206.55.208.4
22 2026-08-19 07:03 639227193643202179
24 ms 206.55.208.4
21 2026-08-19 06:46 639227183584431597
3 ms 206.55.208.4
20 2026-08-19 06:29 639227173347403088
227 ms 206.55.208.4
19 2026-08-19 05:36 639227141523007601
222 ms 206.55.208.4
18 2026-08-19 05:20 639227131785931574
137 ms 206.55.208.4
17 2026-08-19 05:04 639227122176475389
6 ms 206.55.208.4
16 2026-08-19 04:48 639227112668934596
2149 ms 206.55.208.4
15 2026-08-19 04:31 639227102773292788
2114 ms 206.55.208.4
14 2026-08-19 04:15 639227093141136930
8 ms 206.55.208.4
13 2026-08-19 03:59 639227083449420147
17 ms 206.55.208.4
12 2026-08-19 03:43 639227073771748493
111 ms 206.55.208.4
11 2026-08-19 03:27 639227063977347614
15 ms 206.55.208.4
10 2026-08-19 03:11 639227054253519024
3 ms 206.55.208.4
9 2026-08-19 02:54 639227044381963886
431 ms 206.55.208.4
8 2026-08-19 02:38 639227034441085514
222 ms 206.55.208.4
7 2026-08-19 01:45 639227003126489968
45 ms 206.55.208.4
6 2026-08-19 01:29 639226993456311614
7 ms 206.55.208.4
5 2026-08-19 01:13 639226983847312345
149 ms 206.55.208.4
4 2026-08-19 00:57 639226974357874853
7 ms 206.55.208.4
3 2026-08-19 00:41 639226964670484721
149 ms 206.55.208.4
2 2026-08-19 00:25 639226954857899696
26 ms 206.55.208.4
1 2026-08-19 00:09 639226945091603488
114 ms 206.55.208.4