Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mdmechanical.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 07:43:32 UTC · ↺ Refresh
MX Hostnames
- mdmechanical-com.mail.protection.outlook.com
MX Priorities
- mdmechanical-com.mail.protection.outlook.com: 0
A / AAAA Records
- 199.116.77.3 (no PTR)
Mail Server IPs
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
dns41.cloudns.net support.cloudns.net 2026031801 7200 1800 1209600 3600
Primary NS (mname)
dns41.cloudns.net
Admin Email (rname)
support@cloudns.net
Serial
2026031801
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
dns42.cloudns.net
dns41.cloudns.net
dns43.cloudns.net
dns44.cloudns.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; adkim=s;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
2 records- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms29486548
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