Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
masonbuildingcompany.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 20:14:07 UTC · ↺ Refresh
MX Hostnames
- masonbuildingcompany-com.mail.protection.outlook.com
MX Priorities
- masonbuildingcompany-com.mail.protection.outlook.com: 0
A / AAAA Records
- 160.153.0.118 ↩ 118.0.153.160.host.secureserver.net
Mail Server IPs
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns55.domaincontrol.com dns.jomax.net 2023072600 28800 7200 604800 600
Primary NS (mname)
ns55.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2023072600
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns55.domaincontrol.com
ns56.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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
4 records- ca3-85020398704f45e2a1d335e54e521140
- apple-domain-verification=rKaxO2tz5CBo6QoI
- logmein-verification-code=1e27584e-81d7-4590-ace8-86ba3d4e6b66
- SPFv=spf1 include:spf.protection.outlook.com -all
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