Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
blconstruction.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 06:12:52 UTC · ↺ Refresh
MX Hostnames
- blconstruction-com.mail.protection.outlook.com
MX Priorities
- blconstruction-com.mail.protection.outlook.com: 0
A / AAAA Records
- 69.174.48.165 (no PTR)
Mail Server IPs
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.servconfig.com systems-notices.servconfig.com 2024121901 86400 7200 3600000 86400
Primary NS (mname)
ns1.servconfig.com
Admin Email (rname)
systems-notices@servconfig.com
Serial
2024121901
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns2.servconfig.com
ns1.servconfig.com
SPF Record
✓ Strict (-all)
v=spf1 include:relay.mailchannels.net include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:relay.mailchannels.net include:spf.protection.outlook.com -all
- MS=ms98488085
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