Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
safe4u.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 17:31:44 UTC · ↺ Refresh
MX Hostnames
- mail.safe4u.de
MX Priorities
- mail.safe4u.de: 10
A / AAAA Records
- 185.158.133.1 (no PTR)
Mail Server IPs
- 92.205.163.166 ↩ 166.163.205.92.host.secureserver.net
SOA Record
Raw SOA
166.163.205.92.host.secureserver.net info.sadowsky.de 2026032401 10800 3600 1209600 10800
Primary NS (mname)
166.163.205.92.host.secureserver.net
Admin Email (rname)
info@sadowsky.de
Serial
2026032401
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
pdns02.domaincontrol.com
166.163.205.92.host.secureserver.net
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx include:secureserver.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate 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
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
1 record- SPFv=spf1 +a +mx include:secureserver.net ~all
Full email verification for safe4u.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits