Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kerscher-michael.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 15:33:59 UTC · ↺ Refresh
MX Hostnames
- mail.kerscher-michael.de
MX Priorities
- mail.kerscher-michael.de: 10
A / AAAA Records
- 37.120.177.73 ↩ kerscher-michael.de
- 2a03:4000:6:8098:c4a9:baff:fefd:e98f ↩ kerscher-michael.de
Mail Server IPs
- 37.120.177.73 ↩ kerscher-michael.de
SOA Record
Raw SOA
nsa2.schlundtech.de michael.kerscher-michael.de 2025111305 43200 7200 1209600 600
Primary NS (mname)
nsa2.schlundtech.de
Admin Email (rname)
michael@kerscher-michael.de
Serial
2025111305
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
nsc2.schlundtech.de
nsd2.schlundtech.de
nsb2.schlundtech.de
nsa2.schlundtech.de
SPF Record
✓ Strict (-all)
v=spf1 a mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- mailconf=https://autoconfig.kerscher-michael.de/mail/config-v1.1.xml
- SPFv=spf1 a mx -all
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