Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lyonmtg.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 11:13:52 UTC · ↺ Refresh
MX Hostnames
- lyonmtg-com.mail.protection.outlook.com
MX Priorities
- lyonmtg-com.mail.protection.outlook.com: 0
A / AAAA Records
- 100.24.208.97 ↩ staticip2.multiscreensite.com
- 35.172.94.1 ↩ staticip.multiscreensite.com
Mail Server IPs
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.systemdns.com hostmaster.systemdns.com 1772478565 10800 3600 1209600 60
Primary NS (mname)
ns1.systemdns.com
Admin Email (rname)
hostmaster@systemdns.com
Serial
1772478565
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
60s
Nameservers (NS)
ns2.systemdns.com
ns3.systemdns.com
ns1.systemdns.com
SPF Record
✓ Strict (-all)
v=spf1 a:mailgun.org a:_spf.salesforce.com include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
zoho._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- 00DHu00000199SK=1TBOF00000000Xt
- SPFv=spf1 a:mailgun.org a:_spf.salesforce.com include:spf.protection.outlook.com -all
- MS=ms96248450
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