Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
leadon.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-03 04:18:24 UTC · ↺ Refresh
MX Hostnames
- mail02.leadon.de
- mail01.leadon.de
MX Priorities
- mail01.leadon.de: 10
- mail02.leadon.de: 5
A / AAAA Records
- 213.188.110.107 ↩ mail107.opticom.it
Mail Server IPs
- 213.188.110.107 ↩ mail107.opticom.it
- 213.188.111.200 ↩ mail01.opticom.it
SOA Record
Raw SOA
dns02.opticom.it julian\.fetz.leadon.de 2026011302 10800 3600 1209600 10800
Primary NS (mname)
dns02.opticom.it
Admin Email (rname)
julian\@fetz.leadon.de
Serial
2026011302
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
dns02.opticom.it
dns01.opticom.it
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +a:plesk01.opticom.it ip4:213.188.110.0/23 ip4:168.119.248.45 ip4:213.188.107.38 ip4:90.187.46.229 ip4:213.30.251.50 include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 +a +mx +a:plesk01.opticom.it ip4:213.188.110.0/23 ip4:168.119.248.45 ip4:213.188.107.38 ip4:90.187.46.229 ip4:213.30.251.50 include:spf.protection.outlook.com -all
- MS=ms80370174
- google-site-verification=aOA_iQRxFqsnQ7jDEOE1Ar0hSjv0sEawehJjlAT1fb4
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