| Property | Value |
| NameServer | AUTH2.DNS.COGENTCO.COM |
| Created | 1998-05-26 00:00:00 |
| Changed | 2012-08-05 00:00:00 |
| Expires | 2019-05-25 00:00:00 |
| Registrar | NETWORK SOLUTIONS, L |
| Date | IP Address |
| 2014-07-28 | 38.96.208.103 (ClassC) |
| 2019-12-10 | 38.96.208.200 (ClassC) |
| 2020-03-25 | 52.176.149.197 (ClassC) |
| 2025-12-02 | 40.117.138.103 (ClassC) |
| Date | Domain | IP |
| dalmr02.bldr.com | 2014-06-25 | 38.96.208.7 |
| resources.bldr.com | 2025-11-12 | 104.248.111.229 |
| careers.bldr.com | 2025-09-01 | 34.225.249.158 |
| investors.bldr.com | 2025-09-01 | 162.159.130.11 |