Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bldr.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 20:08:29 UTC · ↺ Refresh
MX Hostnames
- bldr-com.mail.protection.outlook.com
MX Priorities
- bldr-com.mail.protection.outlook.com: 5
A / AAAA Records
- 40.117.138.103 (no PTR)
Mail Server IPs
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
udns2.cscdns.uk hostmaster.cscdns.net 2024072875 86400 86400 86400 60
Primary NS (mname)
udns2.cscdns.uk
Admin Email (rname)
hostmaster@cscdns.net
Serial
2024072875
Refresh
86400s
Retry
86400s
Expire
86400s
Minimum TTL
60s
Nameservers (NS)
udns1.cscdns.net
udns2.cscdns.uk
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:_spfb.bldr.com include:sendgrid.net include:aspmx.pardot.com include:_spf.salesforce.com include:us._netblocks.mimecast.com include:_spfc.bldr.com ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;rua=mailto:[email protected];ruf=mailto:[email protected];pct=100;sp=none;fo=1:d;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
s1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
17 records- pardot965693=6edb74de0475d49a9709577b6dc3dd4e959de3473504d2224e03374642854c76
- Dynatrace-site-verification=1875bbd2-cf1b-465e-8f97-26421612e3cd__tcnrbcut8hga5gj1cdvguh1fc7
- F/C5I/qwgkiYZx4dR6ZgbwDMpZ3Ku8UP9NUrL6GnCvvdfsq4x60WxgwrzbYeVDKNcPNQeU9RhJleeDShmCi1pQ==
- +fWRIZ705317p5cl1o5NXJ+O2IV4UkDh0yXRLl38FJLdF4RNol42h5OMWi1qNS6ncNEVdgeRIkf2wbrQ3i5DGw==
- P20ZAL2EHV6DXFX7MU6DW7YQZR7AXSJLR7X2DTR5
- google-site-verification=_Nk100h8mXuJaIsxiKZl4cTf6rdKGz7k0oSZWCfCOcQ
- bldr.azurewebsites.net
- 4dg0r34rfnjvik05671vq1pnd2
- MS=ms61741639
- pardot823583=062291790ba18c275212cb5d17f67a76cdd7626d5ac051020115ad5f848fc2d3
- MS=ms38092393
- docusign=078c6fa3-695b-4d2b-907c-693190915eb8
- SPFv=spf1 include:spf.protection.outlook.com include:_spfb.bldr.com include:sendgrid.net include:aspmx.pardot.com include:_spf.salesforce.com include:us._netblocks.mimecast.com include:_spfc.bldr.com ~all
- MS=9EA95405D26386AE7EC24B0F5A6A663202D51C52
- box-domain-verification=be75fb8d5c78998168fdc2cdd449165f9411a9d92608fccf8ac604cee30789df
- atlassian-domain-verification=K6ECXTKMbD3ai5ghUg/XUsMZYcFY4Zd71X12L7u8jbtQ5nlFbUdUM7YrUy+PCere
- google-site-verification=voa_cMdATGoPx1RfWf5idgbzgmDjGeCE1GFEMZt6KfI
Full email verification for bldr.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits