DNS audit for gdufsedu.org created on 2026-11-03 09:31:10

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1. Name servers

Name servers listed at the parent server b2.org.afilias-nst.org:

ns1.impreza.host
ns2.impreza.host
ns3.impreza.host
ns4.impreza.host

Result: 4 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 gdufsedu.org.

2. NS records

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

San Francisco, US Sydney, AU Singapore

ns1.impreza.host [162.251.82.251] (28ms):

ns1.impreza.host [162.251.82.250] (24ms):

ns1.impreza.host [162.251.82.123] (28ms):

ns1.impreza.host [162.251.82.122] (4ms):

ns2.impreza.host [162.251.82.249] (32ms):

ns2.impreza.host [162.251.82.120] (24ms):

ns2.impreza.host [162.251.82.248] (4ms):

ns2.impreza.host [162.251.82.121] (24ms):

ns3.impreza.host [162.251.82.119] (28ms):

ns3.impreza.host [162.251.82.118] (24ms):

ns3.impreza.host [162.251.82.247] (28ms):

ns3.impreza.host [162.251.82.246] (4ms):

ns4.impreza.host [162.251.82.125] (32ms):

ns4.impreza.host [162.251.82.124] (4ms):

ns4.impreza.host [162.251.82.253] (4ms):

ns4.impreza.host [162.251.82.252] (24ms):

ns1.impreza.host [162.251.82.122] (176ms):

ns1.impreza.host [162.251.82.123] (176ms):

ns1.impreza.host [162.251.82.250] (176ms):

ns1.impreza.host [162.251.82.251] (4ms):

ns2.impreza.host [162.251.82.249] (4ms):

ns2.impreza.host [162.251.82.120] (172ms):

ns2.impreza.host [162.251.82.121] (4ms):

ns2.impreza.host [162.251.82.248] (0ms):

ns3.impreza.host [162.251.82.246] (4ms):

ns3.impreza.host [162.251.82.247] (4ms):

ns3.impreza.host [162.251.82.118] (4ms):

ns3.impreza.host [162.251.82.119] (4ms):

ns4.impreza.host [162.251.82.252] (0ms):

ns4.impreza.host [162.251.82.253] (4ms):

ns4.impreza.host [162.251.82.124] (4ms):

ns4.impreza.host [162.251.82.125] (172ms):

ns1.impreza.host [162.251.82.123] (4ms):

ns1.impreza.host [162.251.82.250] (64ms):

ns1.impreza.host [162.251.82.251] (196ms):

ns1.impreza.host [162.251.82.122] (68ms):

ns2.impreza.host [162.251.82.248] (68ms):

ns2.impreza.host [162.251.82.249] (204ms):

ns2.impreza.host [162.251.82.120] (68ms):

ns2.impreza.host [162.251.82.121] (12ms):

ns3.impreza.host [162.251.82.119] (180ms):

ns3.impreza.host [162.251.82.246] (64ms):

ns3.impreza.host [162.251.82.247] (188ms):

ns3.impreza.host [162.251.82.118] (64ms):

ns4.impreza.host [162.251.82.125] (4ms):

ns4.impreza.host [162.251.82.252] (8ms):

ns4.impreza.host [162.251.82.253] (0ms):

ns4.impreza.host [162.251.82.124] (4ms):

Result: The NS records returned by the DNS servers are not the same as the name servers set at the parent server.
Recommendation: Check the synchronization between the DNS servers. Returned NS records must be exactly the same as these returned by the parent server.

3. SOA record

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

San Francisco, US

ns1.impreza.host [162.251.82.250] (28ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793690032 10800 3600 604800 3600

ns1.impreza.host [162.251.82.122] (24ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793690936 10800 3600 604800 3600

ns1.impreza.host [162.251.82.123] (4ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793690936 10800 3600 604800 3600

ns1.impreza.host [162.251.82.251] (28ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793691044 10800 3600 604800 3600

ns2.impreza.host [162.251.82.249] (4ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793690032 10800 3600 604800 3600

ns2.impreza.host [162.251.82.120] (4ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793690936 10800 3600 604800 3600

ns2.impreza.host [162.251.82.248] (4ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793691044 10800 3600 604800 3600

ns2.impreza.host [162.251.82.121] (24ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793690936 10800 3600 604800 3600

ns3.impreza.host [162.251.82.119] (4ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793690936 10800 3600 604800 3600

ns3.impreza.host [162.251.82.118] (4ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793690936 10800 3600 604800 3600

ns3.impreza.host [162.251.82.246] (28ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793691044 10800 3600 604800 3600

ns3.impreza.host [162.251.82.247] (24ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793691044 10800 3600 604800 3600

ns4.impreza.host [162.251.82.125] (28ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793691047 10800 3600 604800 3600

ns4.impreza.host [162.251.82.124] (24ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793691043 10800 3600 604800 3600

ns4.impreza.host [162.251.82.253] (4ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793691044 10800 3600 604800 3600

ns4.impreza.host [162.251.82.252] (24ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793691044 10800 3600 604800 3600

Sydney, AU

ns1.impreza.host [162.251.82.250] (176ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793690936 10800 3600 604800 3600

ns1.impreza.host [162.251.82.251] (0ms):

ns1.impreza.host [162.251.82.122] (4ms):

ns1.impreza.host [162.251.82.123] (8ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793690936 10800 3600 604800 3600

ns2.impreza.host [162.251.82.121] (4ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793690936 10800 3600 604800 3600

ns2.impreza.host [162.251.82.248] (4ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793690936 10800 3600 604800 3600

ns2.impreza.host [162.251.82.249] (0ms):

ns2.impreza.host [162.251.82.120] (4ms):

ns3.impreza.host [162.251.82.246] (4ms):

ns3.impreza.host [162.251.82.247] (4ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793690936 10800 3600 604800 3600

ns3.impreza.host [162.251.82.118] (172ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793691052 10800 3600 604800 3600

ns3.impreza.host [162.251.82.119] (4ms):

ns4.impreza.host [162.251.82.125] (4ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793690936 10800 3600 604800 3600

ns4.impreza.host [162.251.82.252] (0ms):

ns4.impreza.host [162.251.82.253] (4ms):

ns4.impreza.host [162.251.82.124] (4ms):
Singapore

ns1.impreza.host [162.251.82.251] (64ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793691062 10800 3600 604800 3600

ns1.impreza.host [162.251.82.122] (4ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793691062 10800 3600 604800 3600

ns1.impreza.host [162.251.82.123] (64ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793691062 10800 3600 604800 3600

ns1.impreza.host [162.251.82.250] (64ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793691062 10800 3600 604800 3600

ns2.impreza.host [162.251.82.121] (8ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793691062 10800 3600 604800 3600

ns2.impreza.host [162.251.82.248] (68ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793691062 10800 3600 604800 3600

ns2.impreza.host [162.251.82.249] (60ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793691062 10800 3600 604800 3600

ns2.impreza.host [162.251.82.120] (8ms):

ns3.impreza.host [162.251.82.247] (4ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793691062 10800 3600 604800 3600

ns3.impreza.host [162.251.82.118] (212ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793690936 10800 3600 604800 3600

ns3.impreza.host [162.251.82.119] (212ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793691062 10800 3600 604800 3600

ns3.impreza.host [162.251.82.246] (104ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793691064 10800 3600 604800 3600

ns4.impreza.host [162.251.82.124] (4ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793691064 10800 3600 604800 3600

ns4.impreza.host [162.251.82.125] (4ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793691062 10800 3600 604800 3600

ns4.impreza.host [162.251.82.252] (64ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793691064 10800 3600 604800 3600

ns4.impreza.host [162.251.82.253] (72ms):
208.91.197.91. hostmaster.gdufsedu.org. 1793691062 10800 3600 604800 3600

Result: The SOA record returned by the name servers is not the same on all of them.
Recommendation: Check the synchronization between the DNS servers. Returned SOA record must be exactly the same on all DNS servers.

4. A record distribution by location for gdufsedu.org

Shows how the name servers respond to requests for gdufsedu.org

San Francisco, US Sydney, AU Singapore

ns1.impreza.host [162.251.82.250] (24ms):
127.0.0.1

ns1.impreza.host [162.251.82.122] (28ms):
127.0.0.1

ns1.impreza.host [162.251.82.251] (28ms):
127.0.0.1

ns1.impreza.host [162.251.82.123] (24ms):
127.0.0.1

ns2.impreza.host [162.251.82.249] (4ms):
127.0.0.1

ns2.impreza.host [162.251.82.120] (4ms):
127.0.0.1

ns2.impreza.host [162.251.82.248] (24ms):
127.0.0.1

ns2.impreza.host [162.251.82.121] (4ms):
127.0.0.1

ns3.impreza.host [162.251.82.119] (28ms):
127.0.0.1

ns3.impreza.host [162.251.82.118] (4ms):
127.0.0.1

ns3.impreza.host [162.251.82.246] (24ms):
127.0.0.1

ns3.impreza.host [162.251.82.247] (4ms):
127.0.0.1

ns4.impreza.host [162.251.82.125] (4ms):
127.0.0.1

ns4.impreza.host [162.251.82.124] (28ms):
127.0.0.1

ns4.impreza.host [162.251.82.253] (4ms):
127.0.0.1

ns4.impreza.host [162.251.82.252] (4ms):
127.0.0.1

ns1.impreza.host [162.251.82.123] (180ms):
127.0.0.1

ns1.impreza.host [162.251.82.250] (0ms):
127.0.0.1

ns1.impreza.host [162.251.82.251] (176ms):
127.0.0.1

ns1.impreza.host [162.251.82.122] (4ms):
127.0.0.1

ns2.impreza.host [162.251.82.120] (4ms):
127.0.0.1

ns2.impreza.host [162.251.82.121] (180ms):
127.0.0.1

ns2.impreza.host [162.251.82.248] (4ms):
127.0.0.1

ns2.impreza.host [162.251.82.249] (4ms):
127.0.0.1

ns3.impreza.host [162.251.82.119] (0ms):
127.0.0.1

ns3.impreza.host [162.251.82.246] (8ms):
127.0.0.1

ns3.impreza.host [162.251.82.247] (0ms):
127.0.0.1

ns3.impreza.host [162.251.82.118] (0ms):
127.0.0.1

ns4.impreza.host [162.251.82.252] (168ms):
127.0.0.1

ns4.impreza.host [162.251.82.253] (8ms):
127.0.0.1

ns4.impreza.host [162.251.82.124] (4ms):
127.0.0.1

ns4.impreza.host [162.251.82.125] (4ms):
127.0.0.1

ns1.impreza.host [162.251.82.123] (64ms):
127.0.0.1

ns1.impreza.host [162.251.82.250] (216ms):
127.0.0.1

ns1.impreza.host [162.251.82.251] (60ms):
127.0.0.1

ns1.impreza.host [162.251.82.122] (184ms):
127.0.0.1

ns2.impreza.host [162.251.82.249] (204ms):
127.0.0.1

ns2.impreza.host [162.251.82.120] (200ms):
127.0.0.1

ns2.impreza.host [162.251.82.121] (64ms):
127.0.0.1

ns2.impreza.host [162.251.82.248] (4ms):
127.0.0.1

ns3.impreza.host [162.251.82.246] (64ms):
127.0.0.1

ns3.impreza.host [162.251.82.247] (12ms):
127.0.0.1

ns3.impreza.host [162.251.82.118] (64ms):
127.0.0.1

ns3.impreza.host [162.251.82.119] (68ms):
127.0.0.1

ns4.impreza.host [162.251.82.252] (4ms):
127.0.0.1

ns4.impreza.host [162.251.82.253] (64ms):
127.0.0.1

ns4.impreza.host [162.251.82.124] (204ms):
127.0.0.1

ns4.impreza.host [162.251.82.125] (4ms):
127.0.0.1

5. A record distribution by location for www.gdufsedu.org

Shows how the name servers respond to requests for www.gdufsedu.org

San Francisco, US Sydney, AU Singapore

ns1.impreza.host [162.251.82.250] (24ms):
127.0.0.1

ns1.impreza.host [162.251.82.122] (4ms):
127.0.0.1

ns1.impreza.host [162.251.82.123] (28ms):
127.0.0.1

ns1.impreza.host [162.251.82.251] (4ms):

ns2.impreza.host [162.251.82.249] (32ms):
127.0.0.1

ns2.impreza.host [162.251.82.120] (24ms):
127.0.0.1

ns2.impreza.host [162.251.82.248] (24ms):
127.0.0.1

ns2.impreza.host [162.251.82.121] (28ms):
127.0.0.1

ns3.impreza.host [162.251.82.119] (8ms):
127.0.0.1

ns3.impreza.host [162.251.82.118] (24ms):
127.0.0.1

ns3.impreza.host [162.251.82.247] (4ms):

ns3.impreza.host [162.251.82.246] (28ms):
127.0.0.1

ns4.impreza.host [162.251.82.125] (8ms):
127.0.0.1

ns4.impreza.host [162.251.82.124] (28ms):
127.0.0.1

ns4.impreza.host [162.251.82.253] (4ms):
127.0.0.1

ns4.impreza.host [162.251.82.252] (4ms):
127.0.0.1

ns1.impreza.host [162.251.82.250] (180ms):
127.0.0.1

ns1.impreza.host [162.251.82.251] (4ms):

ns1.impreza.host [162.251.82.122] (180ms):
127.0.0.1

ns1.impreza.host [162.251.82.123] (4ms):
127.0.0.1

ns2.impreza.host [162.251.82.121] (8ms):
127.0.0.1

ns2.impreza.host [162.251.82.248] (176ms):
127.0.0.1

ns2.impreza.host [162.251.82.249] (4ms):

ns2.impreza.host [162.251.82.120] (0ms):

ns3.impreza.host [162.251.82.119] (4ms):
127.0.0.1

ns3.impreza.host [162.251.82.246] (4ms):
127.0.0.1

ns3.impreza.host [162.251.82.247] (0ms):

ns3.impreza.host [162.251.82.118] (4ms):

ns4.impreza.host [162.251.82.125] (4ms):
127.0.0.1

ns4.impreza.host [162.251.82.252] (4ms):
127.0.0.1

ns4.impreza.host [162.251.82.253] (0ms):
127.0.0.1

ns4.impreza.host [162.251.82.124] (4ms):
127.0.0.1

ns1.impreza.host [162.251.82.250] (68ms):
127.0.0.1

ns1.impreza.host [162.251.82.251] (84ms):
127.0.0.1

ns1.impreza.host [162.251.82.122] (200ms):
127.0.0.1

ns1.impreza.host [162.251.82.123] (380ms):
127.0.0.1

ns2.impreza.host [162.251.82.249] (84ms):
127.0.0.1

ns2.impreza.host [162.251.82.120] (64ms):
127.0.0.1

ns2.impreza.host [162.251.82.121] (64ms):
127.0.0.1

ns2.impreza.host [162.251.82.248] (8ms):
127.0.0.1

ns3.impreza.host [162.251.82.246] (200ms):
127.0.0.1

ns3.impreza.host [162.251.82.247] (64ms):
127.0.0.1

ns3.impreza.host [162.251.82.118] (4ms):
127.0.0.1

ns3.impreza.host [162.251.82.119] (188ms):
127.0.0.1

ns4.impreza.host [162.251.82.253] (4ms):
127.0.0.1

ns4.impreza.host [162.251.82.124] (188ms):
127.0.0.1

ns4.impreza.host [162.251.82.125] (68ms):
127.0.0.1

ns4.impreza.host [162.251.82.252] (60ms):
127.0.0.1

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 46.98ms.
Recommendation: The name servers respond slow. Try moving to an Anycast DNS service in order to speed up the resolution of the domain name and first page load of the web site.

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