Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
stempelprofi.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 09:25:57 UTC · ↺ Refresh
MX Hostnames
- mail.stempelprofi.de
MX Priorities
- mail.stempelprofi.de: 10
A / AAAA Records
- 20.238.222.212 (no PTR)
Mail Server IPs
- 82.165.100.219 ↩ mail.stempelprofi.de
SOA Record
Raw SOA
nsa9.schlundtech.de service.stempelprofi.de 2025102701 43200 7200 1209600 600
Primary NS (mname)
nsa9.schlundtech.de
Admin Email (rname)
service@stempelprofi.de
Serial
2025102701
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
nsb9.schlundtech.de
nsd9.schlundtech.de
nsc9.schlundtech.de
nsa9.schlundtech.de
SPF Record
✓ Strict (-all)
v=spf1 a mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected];adkim=s;aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
default._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
1 record- SPFv=spf1 a mx -all
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