Company Index › Builders FirstSource › DNS records › bldr.com
bldr.com
Builders FirstSource · tier primary (primary site) · 33.3% of the company's traffic weight · scan of 2026-10-19 · last checked 2026-10-19
CSCDNS (zone bldr.com)
AzureCDN & security
AS8075 Microsoft network40.112.0.0/13
Records
| Status | live |
|---|---|
| CNAME chain | — |
| A | 40.117.138.103 |
| AAAA | — |
| Zone | bldr.com |
| Zone NS | udns1.cscdns.net udns2.cscdns.uk |
| Network (ASN) | AS8075 Microsoft network |
| BGP prefix | 40.112.0.0/13 |
| DNS evidence | NS udns1.cscdns.net, udns2.cscdns.uk |
| CDN evidence | A 40.117.138.103 in published Azure ranges |
Showing 10 of 10 records. Log in free with your email to see all.