DNS response history for ns1.rtc-couplings.com

ns1.rtc-couplings.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 2026-08-26. For this date, NameServerHistory found 47 DNS check records, 47 successful responses, 0 failed responses, and 2151 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 ns1.rtc-couplings.com.
Records on Selected Date

47

Historical checks stored for this nameserver on selected date

Average Latency

2151 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 15:47

All timestamps shown in UTC

Latest Resolved IP on Selected Date

5.9.187.245

Most recently resolved hosting IP on selected date

Successful Responses

47

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 ns1.rtc-couplings.com

Showing DNS history for 2026-08-26 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
47 2026-08-26 15:47 639233550544357027
2007 ms 5.9.187.245
46 2026-08-26 14:52 639233517966053117
2032 ms 5.9.187.245
45 2026-08-26 14:35 639233507603253585
2025 ms 5.9.187.245
44 2026-08-26 14:17 639233497229039167
2017 ms 5.9.187.245
43 2026-08-26 14:00 639233486864546406
2007 ms 5.9.187.245
42 2026-08-26 13:43 639233476455174682
2032 ms 5.9.187.245
41 2026-08-26 13:26 639233466171592605
2007 ms 5.9.187.245
40 2026-08-26 13:08 639233455747096265
2009 ms 5.9.187.245
39 2026-08-26 12:51 639233445367152284
2008 ms 5.9.187.245
38 2026-08-26 12:34 639233434974187439
2035 ms 5.9.187.245
37 2026-08-26 12:16 639233424567558554
2031 ms 5.9.187.245
36 2026-08-26 11:59 639233414056832719
2035 ms 5.9.187.245
35 2026-08-26 11:42 639233403515141099
2018 ms 5.9.187.245
34 2026-08-26 10:47 639233370841350248
2026 ms 5.9.187.245
33 2026-08-26 10:30 639233360361507238
2009 ms 5.9.187.245
32 2026-08-26 10:12 639233350067824371
2100 ms 5.9.187.245
31 2026-08-26 09:55 639233339545274518
2014 ms 5.9.187.245
30 2026-08-26 09:37 639233329214918079
2013 ms 5.9.187.245
29 2026-08-26 09:20 639233318749762337
2009 ms 5.9.187.245
28 2026-08-26 09:03 639233308387917838
2007 ms 5.9.187.245
27 2026-08-26 08:45 639233297961740122
2032 ms 5.9.187.245
26 2026-08-26 08:28 639233287487159094
2007 ms 5.9.187.245
25 2026-08-26 08:11 639233276995531707
2032 ms 5.9.187.245
24 2026-08-26 07:53 639233266521568229
4023 ms 5.9.187.245
23 2026-08-26 07:36 639233256081047431
2010 ms 5.9.187.245
22 2026-08-26 06:41 639233223620132921
2007 ms 5.9.187.245
21 2026-08-26 06:24 639233213287814244
2086 ms 5.9.187.245
20 2026-08-26 06:07 639233202925983161
4024 ms 5.9.187.245
19 2026-08-26 05:50 639233192644780696
2030 ms 5.9.187.245
18 2026-08-26 05:33 639233182401183833
2024 ms 5.9.187.245
17 2026-08-26 05:16 639233172074181051
2036 ms 5.9.187.245
16 2026-08-26 04:58 639233161808421455
2024 ms 5.9.187.245
15 2026-08-26 04:41 639233151357344052
2019 ms 5.9.187.245
14 2026-08-26 04:24 639233141034116946
4011 ms 5.9.187.245
13 2026-08-26 04:07 639233130828334142
2018 ms 5.9.187.245
12 2026-08-26 03:49 639233120373450007
2033 ms 5.9.187.245
11 2026-08-26 03:32 639233110066216193
2008 ms 5.9.187.245
10 2026-08-26 02:39 639233078065410564
2009 ms 5.9.187.245
9 2026-08-26 02:22 639233067787457832
2031 ms 5.9.187.245
8 2026-08-26 02:04 639233057501801162
2028 ms 5.9.187.245
7 2026-08-26 01:47 639233047089431703
2007 ms 5.9.187.245
6 2026-08-26 01:30 639233036754790688
2031 ms 5.9.187.245
5 2026-08-26 01:13 639233026412602472
2017 ms 5.9.187.245
4 2026-08-26 00:55 639233016064066127
2030 ms 5.9.187.245
3 2026-08-26 00:38 639233005922655772
2032 ms 5.9.187.245
2 2026-08-26 00:21 639232995672256907
2031 ms 5.9.187.245
1 2026-08-26 00:04 639232985300872416
2018 ms 5.9.187.245