DNS response history for ns1.iad.qwest.net

ns1.iad.qwest.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 2026-08-27. For this date, NameServerHistory found 21 DNS check records, 21 successful responses, 0 failed responses, and 196 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.iad.qwest.net.
Records on Selected Date

21

Historical checks stored for this nameserver on selected date

Average Latency

196 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-27 06:34

All timestamps shown in UTC

Latest Resolved IP on Selected Date

63.150.72.4

Most recently resolved hosting IP on selected date

Successful Responses

21

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.iad.qwest.net

Showing DNS history for 2026-08-27 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
21 2026-08-27 06:34 639234086579410775
224 ms 63.150.72.4
20 2026-08-27 06:17 639234076291157956
201 ms 63.150.72.4
19 2026-08-27 06:00 639234065981939454
210 ms 63.150.72.4
18 2026-08-27 05:43 639234055548642997
202 ms 63.150.72.4
17 2026-08-27 05:26 639234045267979603
200 ms 63.150.72.4
16 2026-08-27 05:08 639234034999717463
354 ms 63.150.72.4
15 2026-08-27 04:51 639234024739225358
101 ms 63.150.72.4
14 2026-08-27 04:34 639234014311170162
209 ms 63.150.72.4
13 2026-08-27 04:17 639234003806017640
215 ms 63.150.72.4
12 2026-08-27 03:59 639233993356203030
224 ms 63.150.72.4
11 2026-08-27 03:06 639233961301716608
202 ms 63.150.72.4
10 2026-08-27 02:48 639233950834200647
113 ms 63.150.72.4
9 2026-08-27 02:31 639233940431849026
107 ms 63.150.72.4
8 2026-08-27 02:14 639233930110596398
203 ms 63.150.72.4
7 2026-08-27 01:56 639233919705434540
220 ms 63.150.72.4
6 2026-08-27 01:39 639233909452807845
211 ms 63.150.72.4
5 2026-08-27 01:22 639233899096420820
205 ms 63.150.72.4
4 2026-08-27 01:05 639233888707824939
103 ms 63.150.72.4
3 2026-08-27 00:48 639233878461203802
201 ms 63.150.72.4
2 2026-08-27 00:30 639233868060868209
205 ms 63.150.72.4
1 2026-08-27 00:13 639233857450922991
201 ms 63.150.72.4