Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
rtjebruns.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-04 18:32:30 UTC · ↺ Refresh
MX Hostnames
- mx3.prtdiag.de
MX Priorities
- mx3.prtdiag.de: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 217.154.210.53 ↩ mx3.prtdiag.de
SOA Record
Raw SOA
auth1.artfiles.de hostmaster.artfiles.de 2025111701 28800 14400 860400 86400
Primary NS (mname)
auth1.artfiles.de
Admin Email (rname)
hostmaster@artfiles.de
Serial
2025111701
Refresh
28800s
Retry
14400s
Expire
860400s
Minimum TTL
86400s
Nameservers (NS)
auth1.artfiles.de
auth2.artfiles.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:217.154.210.53 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 ip4:217.154.210.53 -all
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