Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
summitmechanical.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 03:37:51 UTC · ↺ Refresh
MX Hostnames
- summitmechanical-net.mail.protection.outlook.com
MX Priorities
- summitmechanical-net.mail.protection.outlook.com: 0
A / AAAA Records
- 72.167.140.212 ↩ 212.140.167.72.host.secureserver.net
Mail Server IPs
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.earthlink.net hostmaster.earthlink.net 2024040810 86400 86400 3600000 86400
Primary NS (mname)
dns1.earthlink.net
Admin Email (rname)
hostmaster@earthlink.net
Serial
2024040810
Refresh
86400s
Retry
86400s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
dns2.earthlink.net
dns1.earthlink.net
dns3.earthlink.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com +mx +a +ip4:72.167.140.212 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
3 records- har6mlijnv2f4kdhqijk5iec9r
- SPFv=spf1 include:spf.protection.outlook.com +mx +a +ip4:72.167.140.212 -all
- MS=ms28926767
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