DNS audit for davidtestlab.cloudns.ch created on 2026-09-07 16:59:12

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1. Name servers

Name servers listed at the parent server ns52.cloudns.net:

coen.ns.cloudflare.com
virginia.ns.cloudflare.com

Result: 2 name servers found at the parent server (set at the domain provider).
Recommendation: Everything is okay. There is more than one name server added to davidtestlab.cloudns.ch.

2. NS records

NS records returned by each name server configured for the domain name

San Francisco, US Sydney, AU Johannesburg, ZA Singapore

coen.ns.cloudflare.com [172.64.35.151] (8ms):
coen.ns.cloudflare.com
virginia.ns.cloudflare.com

coen.ns.cloudflare.com [108.162.195.151] (3ms):
coen.ns.cloudflare.com
virginia.ns.cloudflare.com

coen.ns.cloudflare.com [162.159.44.151] (15ms):
coen.ns.cloudflare.com
virginia.ns.cloudflare.com

virginia.ns.cloudflare.com [172.64.34.37] (4ms):
coen.ns.cloudflare.com
virginia.ns.cloudflare.com

virginia.ns.cloudflare.com [108.162.194.37] (3ms):
coen.ns.cloudflare.com
virginia.ns.cloudflare.com

virginia.ns.cloudflare.com [162.159.38.37] (14ms):
coen.ns.cloudflare.com
virginia.ns.cloudflare.com

coen.ns.cloudflare.com [162.159.44.151] (1ms):
coen.ns.cloudflare.com
virginia.ns.cloudflare.com

coen.ns.cloudflare.com [172.64.35.151] (3ms):
coen.ns.cloudflare.com
virginia.ns.cloudflare.com

coen.ns.cloudflare.com [108.162.195.151] (3ms):
coen.ns.cloudflare.com
virginia.ns.cloudflare.com

virginia.ns.cloudflare.com [172.64.34.37] (8ms):
coen.ns.cloudflare.com
virginia.ns.cloudflare.com

virginia.ns.cloudflare.com [108.162.194.37] (2ms):
coen.ns.cloudflare.com
virginia.ns.cloudflare.com

virginia.ns.cloudflare.com [162.159.38.37] (2ms):
coen.ns.cloudflare.com
virginia.ns.cloudflare.com

coen.ns.cloudflare.com [162.159.44.151] (24ms):
coen.ns.cloudflare.com
virginia.ns.cloudflare.com

coen.ns.cloudflare.com [108.162.195.151] (20ms):
coen.ns.cloudflare.com
virginia.ns.cloudflare.com

coen.ns.cloudflare.com [172.64.35.151] (16ms):
coen.ns.cloudflare.com
virginia.ns.cloudflare.com

virginia.ns.cloudflare.com [162.159.38.37] (28ms):
coen.ns.cloudflare.com
virginia.ns.cloudflare.com

virginia.ns.cloudflare.com [108.162.194.37] (20ms):
coen.ns.cloudflare.com
virginia.ns.cloudflare.com

virginia.ns.cloudflare.com [172.64.34.37] (20ms):
coen.ns.cloudflare.com
virginia.ns.cloudflare.com

coen.ns.cloudflare.com [162.159.44.151] (73ms):
coen.ns.cloudflare.com
virginia.ns.cloudflare.com

coen.ns.cloudflare.com [172.64.35.151] (5ms):
coen.ns.cloudflare.com
virginia.ns.cloudflare.com

coen.ns.cloudflare.com [108.162.195.151] (7ms):
coen.ns.cloudflare.com
virginia.ns.cloudflare.com

virginia.ns.cloudflare.com [108.162.194.37] (5ms):
coen.ns.cloudflare.com
virginia.ns.cloudflare.com

virginia.ns.cloudflare.com [162.159.38.37] (68ms):
coen.ns.cloudflare.com
virginia.ns.cloudflare.com

virginia.ns.cloudflare.com [172.64.34.37] (11ms):
coen.ns.cloudflare.com
virginia.ns.cloudflare.com

Result: The NS records returned by the DNS servers are the same as the name servers set at the parent server.
Recommendation: It is not required to do any changes. All name servers are synchronized.

3. SOA record

SOA record returned by each name server configured for the domain name

San Francisco, US

coen.ns.cloudflare.com [172.64.35.151] (2ms):
coen.ns.cloudflare.com. dns.cloudflare.com. 2413758773 10000 2400 604800 1800

coen.ns.cloudflare.com [108.162.195.151] (7ms):
coen.ns.cloudflare.com. dns.cloudflare.com. 2413758773 10000 2400 604800 1800

coen.ns.cloudflare.com [162.159.44.151] (16ms):
coen.ns.cloudflare.com. dns.cloudflare.com. 2413758773 10000 2400 604800 1800

virginia.ns.cloudflare.com [172.64.34.37] (3ms):
coen.ns.cloudflare.com. dns.cloudflare.com. 2413758773 10000 2400 604800 1800

virginia.ns.cloudflare.com [108.162.194.37] (5ms):
coen.ns.cloudflare.com. dns.cloudflare.com. 2413758773 10000 2400 604800 1800

virginia.ns.cloudflare.com [162.159.38.37] (25ms):
coen.ns.cloudflare.com. dns.cloudflare.com. 2413758773 10000 2400 604800 1800

Sydney, AU

coen.ns.cloudflare.com [172.64.35.151] (3ms):
coen.ns.cloudflare.com. dns.cloudflare.com. 2413758773 10000 2400 604800 1800

coen.ns.cloudflare.com [108.162.195.151] (3ms):
coen.ns.cloudflare.com. dns.cloudflare.com. 2413758773 10000 2400 604800 1800

coen.ns.cloudflare.com [162.159.44.151] (2ms):
coen.ns.cloudflare.com. dns.cloudflare.com. 2413758773 10000 2400 604800 1800

virginia.ns.cloudflare.com [172.64.34.37] (1ms):
coen.ns.cloudflare.com. dns.cloudflare.com. 2413758773 10000 2400 604800 1800

virginia.ns.cloudflare.com [108.162.194.37] (2ms):
coen.ns.cloudflare.com. dns.cloudflare.com. 2413758773 10000 2400 604800 1800

virginia.ns.cloudflare.com [162.159.38.37] (2ms):
coen.ns.cloudflare.com. dns.cloudflare.com. 2413758773 10000 2400 604800 1800

Johannesburg, ZA

coen.ns.cloudflare.com [108.162.195.151] (20ms):
coen.ns.cloudflare.com. dns.cloudflare.com. 2413758773 10000 2400 604800 1800

coen.ns.cloudflare.com [162.159.44.151] (20ms):
coen.ns.cloudflare.com. dns.cloudflare.com. 2413758773 10000 2400 604800 1800

coen.ns.cloudflare.com [172.64.35.151] (28ms):
coen.ns.cloudflare.com. dns.cloudflare.com. 2413758773 10000 2400 604800 1800

virginia.ns.cloudflare.com [108.162.194.37] (20ms):
coen.ns.cloudflare.com. dns.cloudflare.com. 2413758773 10000 2400 604800 1800

virginia.ns.cloudflare.com [172.64.34.37] (24ms):
coen.ns.cloudflare.com. dns.cloudflare.com. 2413758773 10000 2400 604800 1800

virginia.ns.cloudflare.com [162.159.38.37] (20ms):
coen.ns.cloudflare.com. dns.cloudflare.com. 2413758773 10000 2400 604800 1800

Singapore

coen.ns.cloudflare.com [108.162.195.151] (5ms):
coen.ns.cloudflare.com. dns.cloudflare.com. 2413758773 10000 2400 604800 1800

coen.ns.cloudflare.com [162.159.44.151] (92ms):
coen.ns.cloudflare.com. dns.cloudflare.com. 2413758773 10000 2400 604800 1800

coen.ns.cloudflare.com [172.64.35.151] (6ms):
coen.ns.cloudflare.com. dns.cloudflare.com. 2413758773 10000 2400 604800 1800

virginia.ns.cloudflare.com [108.162.194.37] (6ms):
coen.ns.cloudflare.com. dns.cloudflare.com. 2413758773 10000 2400 604800 1800

virginia.ns.cloudflare.com [162.159.38.37] (84ms):
coen.ns.cloudflare.com. dns.cloudflare.com. 2413758773 10000 2400 604800 1800

virginia.ns.cloudflare.com [172.64.34.37] (6ms):
coen.ns.cloudflare.com. dns.cloudflare.com. 2413758773 10000 2400 604800 1800

Result: The SOA record returned by the name servers is the same on all of them.
Recommendation: It is not required to do any changes. The name servers are synchronized.

4. A record distribution by location for davidtestlab.cloudns.ch

Shows how the name servers respond to requests for davidtestlab.cloudns.ch

San Francisco, US Sydney, AU Johannesburg, ZA Singapore

coen.ns.cloudflare.com [162.159.44.151] (15ms):
104.21.40.164
172.67.187.111

coen.ns.cloudflare.com [108.162.195.151] (6ms):
104.21.40.164
172.67.187.111

coen.ns.cloudflare.com [172.64.35.151] (4ms):
104.21.40.164
172.67.187.111

virginia.ns.cloudflare.com [162.159.38.37] (16ms):
104.21.40.164
172.67.187.111

virginia.ns.cloudflare.com [108.162.194.37] (4ms):
104.21.40.164
172.67.187.111

virginia.ns.cloudflare.com [172.64.34.37] (4ms):
104.21.40.164
172.67.187.111

coen.ns.cloudflare.com [172.64.35.151] (3ms):
104.21.40.164
172.67.187.111

coen.ns.cloudflare.com [108.162.195.151] (4ms):
104.21.40.164
172.67.187.111

coen.ns.cloudflare.com [162.159.44.151] (3ms):
104.21.40.164
172.67.187.111

virginia.ns.cloudflare.com [172.64.34.37] (3ms):
104.21.40.164
172.67.187.111

virginia.ns.cloudflare.com [108.162.194.37] (4ms):
104.21.40.164
172.67.187.111

virginia.ns.cloudflare.com [162.159.38.37] (3ms):
104.21.40.164
172.67.187.111

coen.ns.cloudflare.com [172.64.35.151] (24ms):
104.21.40.164
172.67.187.111

coen.ns.cloudflare.com [162.159.44.151] (28ms):
104.21.40.164
172.67.187.111

coen.ns.cloudflare.com [108.162.195.151] (28ms):
104.21.40.164
172.67.187.111

virginia.ns.cloudflare.com [162.159.38.37] (24ms):
104.21.40.164
172.67.187.111

virginia.ns.cloudflare.com [172.64.34.37] (28ms):
104.21.40.164
172.67.187.111

virginia.ns.cloudflare.com [108.162.194.37] (24ms):
104.21.40.164
172.67.187.111

coen.ns.cloudflare.com [108.162.195.151] (20ms):
104.21.40.164
172.67.187.111

coen.ns.cloudflare.com [162.159.44.151] (84ms):
104.21.40.164
172.67.187.111

coen.ns.cloudflare.com [172.64.35.151] (14ms):
104.21.40.164
172.67.187.111

virginia.ns.cloudflare.com [108.162.194.37] (7ms):
104.21.40.164
172.67.187.111

virginia.ns.cloudflare.com [162.159.38.37] (90ms):
104.21.40.164
172.67.187.111

virginia.ns.cloudflare.com [172.64.34.37] (9ms):
104.21.40.164
172.67.187.111

5. A record distribution by location for www.davidtestlab.cloudns.ch

Shows how the name servers respond to requests for www.davidtestlab.cloudns.ch

San Francisco, US Sydney, AU Johannesburg, ZA Singapore

coen.ns.cloudflare.com [162.159.44.151] (13ms):

coen.ns.cloudflare.com [172.64.35.151] (3ms):

coen.ns.cloudflare.com [108.162.195.151] (8ms):

virginia.ns.cloudflare.com [162.159.38.37] (28ms):

virginia.ns.cloudflare.com [108.162.194.37] (5ms):

virginia.ns.cloudflare.com [172.64.34.37] (5ms):

coen.ns.cloudflare.com [162.159.44.151] (2ms):

coen.ns.cloudflare.com [172.64.35.151] (6ms):

coen.ns.cloudflare.com [108.162.195.151] (3ms):

virginia.ns.cloudflare.com [172.64.34.37] (2ms):

virginia.ns.cloudflare.com [108.162.194.37] (3ms):

virginia.ns.cloudflare.com [162.159.38.37] (2ms):

coen.ns.cloudflare.com [172.64.35.151] (28ms):

coen.ns.cloudflare.com [108.162.195.151] (24ms):

coen.ns.cloudflare.com [162.159.44.151] (28ms):

virginia.ns.cloudflare.com [162.159.38.37] (24ms):

virginia.ns.cloudflare.com [108.162.194.37] (24ms):

virginia.ns.cloudflare.com [172.64.34.37] (24ms):

coen.ns.cloudflare.com [108.162.195.151] (6ms):

coen.ns.cloudflare.com [162.159.44.151] (79ms):

coen.ns.cloudflare.com [172.64.35.151] (6ms):

virginia.ns.cloudflare.com [172.64.34.37] (5ms):

virginia.ns.cloudflare.com [108.162.194.37] (9ms):

virginia.ns.cloudflare.com [162.159.38.37] (83ms):

6. Speed

Result: During the checks in the previous steps, multiple DNS requests were executed to the name servers responsible for the domain name. Average response time of the name servers is 17.32ms.
Recommendation: The name servers have good response time.

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