schiller-systems.de

Valid Email Server
Domain Lookup › schiller-systems.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
schiller-systems.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-03 22:48:19 UTC · ↺ Refresh

MX Hostnames

  • mx0.schiller-systems.de

MX Priorities

  • mx0.schiller-systems.de: 20

A / AAAA Records

  • 37.120.175.242 ↩ sam.schiller-systems.de

Mail Server IPs

  • 37.120.175.242 ↩ sam.schiller-systems.de
  • 2a03:4000:6:7209:9111:7111:5111:3111 ↩ sam.schiller-systems.de

SOA Record

Raw SOA ns.inwx.de hostmaster.inwx.de 2026020701 10800 3600 604800 3600
Primary NS (mname)
ns.inwx.de
Admin Email (rname)
hostmaster@inwx.de
Serial
2026020701
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns2.inwx.de
ns.inwx.de
ns3.inwx.de

SPF Record

✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 250 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
  • spf2.0/pra ?all
  • SPFv=spf1 mx -all
Full email verification for schiller-systems.de

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits