Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
frontiermechanical.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 08:48:29 UTC · ↺ Refresh
MX Hostnames
- frontiermechanical-com.mail.protection.outlook.com
MX Priorities
- frontiermechanical-com.mail.protection.outlook.com: 10
A / AAAA Records
- 192.185.5.251 ↩ luvconnetwork.com
Mail Server IPs
- 52.101.9.17 (no PTR)
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
ns15.worldnic.com namehost.worldnic.com 121030116 10800 3600 604800 3600
Primary NS (mname)
ns15.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
121030116
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns16.worldnic.com
ns15.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:65.132.202.50 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- MS=ms34221310
- SPFv=spf1 ip4:65.132.202.50 include:spf.protection.outlook.com -all
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