.courses TLD Report
Description: -
Delegated to: OPEN UNIVERSITIES AUSTRALIA PTY LTD
Nameserver Status
IPv4 Enabled Nameservers
A Glue in the Root Zone
IPv6 Enabled Nameservers
AAAA Glue in the Root Zone
Domains:
11,393
A records:
10,172
A glue:
22
AAAA records:
6,414
AAAA glue:
12
Updated:
11 Feb 2026 02:58 PST
| A Record Breakdown | ||
|---|---|---|
| Range | Prefix | Count |
| unicast | 10,172 | |
| invalid | 24 | |
| loopback | 127.0.0.0/8 | 5 |
| AAAA Record Breakdown | ||
|---|---|---|
| Range | Prefix | Count |
| unicast | 2000::/3 | 6,414 |
| invalid | 0 | |
| v4-mapped | ::ffff:0.0.0.0/96 | 1 |
| Nameservers for .courses TLD and SOA Query Test | ||||
|---|---|---|---|---|
| Nameserver | Pass | A | Pass | AAAA |
| a.nic.courses |
|
37.209.192.9 |
|
2001:dcd:1::9 |
| b.nic.courses |
|
37.209.194.9 |
|
2001:dcd:2::9 |
| c.nic.courses |
|
37.209.196.9 |
|
2001:dcd:3::9 |
| x.nic.courses |
|
156.154.172.82 |
|
2610:a1:1074::1:82 |
| y.nic.courses |
|
156.154.173.82 |
|
2610:a1:1075::1:82 |
| z.nic.courses |
|
156.154.174.82 |
|
2610:a1:1076::1:82 |
 | |
|---|---|
| Host | IP |
| point.courses | 127.0.0.0 |
| championship.courses | 127.0.0.1 |
| investools.courses | 127.0.0.1 |
| swiftcode.courses | 127.0.0.1 |
| tdameritrade.courses | 127.0.0.1 |
| |
|---|---|
| Host | IP |
| simplexity.courses | ::ffff:35.187.115.88 |