DNS audit for gcore.com created on 2026-03-09 15:02:28

PDF

1. Name servers

Name servers listed at the parent server e.gtld-servers.net:

ns1.gcorelabs.net
ns2.gcdn.services

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 gcore.com.

2. NS records

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

Frankfurt, DE San Francisco, US Sydney, AU Johannesburg, ZA Singapore

ns1.gcorelabs.net [92.223.100.53] (1ms):
ns1.gcorelabs.net
ns2.gcdn.services

ns1.gcorelabs.net [92.223.100.253] (16ms):
ns1.gcorelabs.net
ns2.gcdn.services

ns2.gcdn.services [92.223.77.53] (16ms):
ns1.gcorelabs.net
ns2.gcdn.services

ns2.gcdn.services [92.223.77.253] (1ms):
ns1.gcorelabs.net
ns2.gcdn.services

ns1.gcorelabs.net [92.223.100.53] (4ms):
ns1.gcorelabs.net
ns2.gcdn.services

ns1.gcorelabs.net [92.223.100.253] (2ms):
ns1.gcorelabs.net
ns2.gcdn.services

ns2.gcdn.services [92.223.77.53] (3ms):
ns1.gcorelabs.net
ns2.gcdn.services

ns2.gcdn.services [92.223.77.253] (2ms):
ns1.gcorelabs.net
ns2.gcdn.services

ns1.gcorelabs.net [92.223.100.253] (0ms):
ns1.gcorelabs.net
ns2.gcdn.services

ns1.gcorelabs.net [92.223.100.53] (0ms):
ns1.gcorelabs.net
ns2.gcdn.services

ns2.gcdn.services [92.223.77.53] (1ms):
ns1.gcorelabs.net
ns2.gcdn.services

ns2.gcdn.services [92.223.77.253] (0ms):
ns1.gcorelabs.net
ns2.gcdn.services

ns1.gcorelabs.net [92.223.100.253] (0ms):
ns1.gcorelabs.net
ns2.gcdn.services

ns1.gcorelabs.net [92.223.100.53] (0ms):
ns1.gcorelabs.net
ns2.gcdn.services

ns2.gcdn.services [92.223.77.253] (0ms):
ns1.gcorelabs.net
ns2.gcdn.services

ns2.gcdn.services [92.223.77.53] (0ms):
ns1.gcorelabs.net
ns2.gcdn.services

ns1.gcorelabs.net [92.223.100.253] (2ms):
ns1.gcorelabs.net
ns2.gcdn.services

ns1.gcorelabs.net [92.223.100.53] (1ms):
ns1.gcorelabs.net
ns2.gcdn.services

ns2.gcdn.services [92.223.77.53] (1ms):
ns1.gcorelabs.net
ns2.gcdn.services

ns2.gcdn.services [92.223.77.253] (1ms):
ns1.gcorelabs.net
ns2.gcdn.services

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

Frankfurt, DE

ns1.gcorelabs.net [92.223.100.53] (0ms):
ns1.gcorelabs.net. support.gcorelabs.com. 1768960344 5400 3600 1209600 300

ns1.gcorelabs.net [92.223.100.253] (16ms):
ns1.gcorelabs.net. support.gcorelabs.com. 1768960344 5400 3600 1209600 300

ns2.gcdn.services [92.223.77.253] (16ms):
ns1.gcorelabs.net. support.gcorelabs.com. 1768960344 5400 3600 1209600 300

ns2.gcdn.services [92.223.77.53] (1ms):
ns1.gcorelabs.net. support.gcorelabs.com. 1768960344 5400 3600 1209600 300

San Francisco, US

ns1.gcorelabs.net [92.223.100.53] (1ms):
ns1.gcorelabs.net. support.gcorelabs.com. 1768960344 5400 3600 1209600 300

ns1.gcorelabs.net [92.223.100.253] (2ms):
ns1.gcorelabs.net. support.gcorelabs.com. 1768960344 5400 3600 1209600 300

ns2.gcdn.services [92.223.77.53] (2ms):
ns1.gcorelabs.net. support.gcorelabs.com. 1768960344 5400 3600 1209600 300

ns2.gcdn.services [92.223.77.253] (1ms):
ns1.gcorelabs.net. support.gcorelabs.com. 1768960344 5400 3600 1209600 300

Sydney, AU

ns1.gcorelabs.net [92.223.100.53] (0ms):
ns1.gcorelabs.net. support.gcorelabs.com. 1768960344 5400 3600 1209600 300

ns1.gcorelabs.net [92.223.100.253] (0ms):
ns1.gcorelabs.net. support.gcorelabs.com. 1768960344 5400 3600 1209600 300

ns2.gcdn.services [92.223.77.253] (0ms):
ns1.gcorelabs.net. support.gcorelabs.com. 1768960344 5400 3600 1209600 300

ns2.gcdn.services [92.223.77.53] (2ms):
ns1.gcorelabs.net. support.gcorelabs.com. 1768960344 5400 3600 1209600 300

Johannesburg, ZA

ns1.gcorelabs.net [92.223.100.53] (0ms):
ns1.gcorelabs.net. support.gcorelabs.com. 1768960344 5400 3600 1209600 300

ns1.gcorelabs.net [92.223.100.253] (0ms):
ns1.gcorelabs.net. support.gcorelabs.com. 1768960344 5400 3600 1209600 300

ns2.gcdn.services [92.223.77.253] (0ms):
ns1.gcorelabs.net. support.gcorelabs.com. 1768960344 5400 3600 1209600 300

ns2.gcdn.services [92.223.77.53] (0ms):
ns1.gcorelabs.net. support.gcorelabs.com. 1768960344 5400 3600 1209600 300

Singapore

ns1.gcorelabs.net [92.223.100.53] (1211ms):
ns1.gcorelabs.net. support.gcorelabs.com. 1768960344 5400 3600 1209600 300

ns1.gcorelabs.net [92.223.100.253] (1ms):
ns1.gcorelabs.net. support.gcorelabs.com. 1768960344 5400 3600 1209600 300

ns2.gcdn.services [92.223.77.253] (1ms):
ns1.gcorelabs.net. support.gcorelabs.com. 1768960344 5400 3600 1209600 300

ns2.gcdn.services [92.223.77.53] (1ms):
ns1.gcorelabs.net. support.gcorelabs.com. 1768960344 5400 3600 1209600 300

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 gcore.com

Shows how the name servers respond to requests for gcore.com

Frankfurt, DE San Francisco, US Sydney, AU Johannesburg, ZA Singapore

ns1.gcorelabs.net [92.223.100.253] (16ms):
92.223.124.62

ns1.gcorelabs.net [92.223.100.53] (1ms):
92.223.124.62

ns2.gcdn.services [92.223.77.253] (16ms):
92.223.124.62

ns2.gcdn.services [92.223.77.53] (1ms):
92.223.124.62

ns1.gcorelabs.net [92.223.100.53] (3ms):
92.38.145.145

ns1.gcorelabs.net [92.223.100.253] (2ms):
92.38.145.145

ns2.gcdn.services [92.223.77.253] (2ms):
92.38.145.145

ns2.gcdn.services [92.223.77.53] (2ms):
92.38.145.145

ns1.gcorelabs.net [92.223.100.53] (1ms):
92.223.78.30

ns1.gcorelabs.net [92.223.100.253] (1ms):
92.223.78.30

ns2.gcdn.services [92.223.77.53] (0ms):
92.223.78.30

ns2.gcdn.services [92.223.77.253] (0ms):
92.223.78.30

ns1.gcorelabs.net [92.223.100.253] (0ms):
109.61.19.19

ns1.gcorelabs.net [92.223.100.53] (0ms):
109.61.19.19

ns2.gcdn.services [92.223.77.253] (0ms):
109.61.19.19

ns2.gcdn.services [92.223.77.53] (0ms):
109.61.19.19

ns1.gcorelabs.net [92.223.100.253] (1ms):
92.223.116.254

ns1.gcorelabs.net [92.223.100.53] (1ms):
92.223.116.254

ns2.gcdn.services [92.223.77.53] (1ms):
92.223.116.254

ns2.gcdn.services [92.223.77.253] (1ms):
92.223.116.254

5. A record distribution by location for www.gcore.com

Shows how the name servers respond to requests for www.gcore.com

Frankfurt, DE San Francisco, US Sydney, AU Johannesburg, ZA Singapore

ns1.gcorelabs.net [92.223.100.53] (16ms):
92.223.124.62

ns1.gcorelabs.net [92.223.100.253] (1ms):
92.223.124.62

ns2.gcdn.services [92.223.77.253] (16ms):
92.223.124.62

ns2.gcdn.services [92.223.77.53] (1ms):
92.223.124.62

ns1.gcorelabs.net [92.223.100.53] (2ms):
92.38.145.145

ns1.gcorelabs.net [92.223.100.253] (2ms):
92.38.145.145

ns2.gcdn.services [92.223.77.53] (2ms):
92.38.145.145

ns2.gcdn.services [92.223.77.253] (6ms):
92.38.145.145

ns1.gcorelabs.net [92.223.100.253] (1ms):
92.223.78.30

ns1.gcorelabs.net [92.223.100.53] (0ms):
92.223.78.30

ns2.gcdn.services [92.223.77.53] (0ms):
92.223.78.30

ns2.gcdn.services [92.223.77.253] (0ms):
92.223.78.30

ns1.gcorelabs.net [92.223.100.253] (0ms):
109.61.19.19

ns1.gcorelabs.net [92.223.100.53] (4ms):
109.61.19.19

ns2.gcdn.services [92.223.77.53] (4ms):
109.61.19.19

ns2.gcdn.services [92.223.77.253] (0ms):
109.61.19.19

ns1.gcorelabs.net [92.223.100.53] (1ms):
92.223.116.254

ns1.gcorelabs.net [92.223.100.253] (1ms):
92.223.116.254

ns2.gcdn.services [92.223.77.53] (1ms):
92.223.116.254

ns2.gcdn.services [92.223.77.253] (1ms):
92.223.116.254

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 17.55ms.
Recommendation: The name servers have good response time.

Previous reports for gcore.com: 2026-01-06 17:39:52 , 2025-12-28 14:31:12 , 2025-12-20 19:08:15 , 2025-09-20 22:36:41
Newer reports for gcore.com: 2026-08-20 21:32:57
Blog | Cloud DNS
Sponsored by ClouDNS