Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
preferredcontracting.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 13:45:54 UTC · ↺ Refresh
MX Hostnames
- preferredcontracting-com.mail.protection.outlook.com
MX Priorities
- preferredcontracting-com.mail.protection.outlook.com: 10
A / AAAA Records
- 34.74.196.28 ↩ 28.196.74.34.bc.googleusercontent.com
Mail Server IPs
- 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.hover.com dnsmaster.hover.com 1720467415 1800 900 604800 300
Primary NS (mname)
ns1.hover.com
Admin Email (rname)
dnsmaster@hover.com
Serial
1720467415
Refresh
1800s
Retry
900s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1.hover.com
ns2.hover.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
2 records- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms64512712
Full email verification for preferredcontracting.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits