Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
e-postkasten.de
Disposable
✓ Yes
Unknown
⚠ Yes
Yes
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-14 05:41:49 UTC · ↺ Refresh
MX Hostnames
- tja.papierkorb.me
MX Priorities
- tja.papierkorb.me: 1
A / AAAA Records
- 172.67.223.197 (no PTR)
- 104.21.62.124 (no PTR)
- 2606:4700:3031::6815:3e7c (no PTR)
- 2606:4700:3032::ac43:dfc5 (no PTR)
Mail Server IPs
- 37.27.136.159 ↩ static.159.136.27.37.clients.your-server.de
SOA Record
Raw SOA
albert.ns.cloudflare.com dns.cloudflare.com 2395736988 10000 2400 604800 1800
Primary NS (mname)
albert.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2395736988
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
maya.ns.cloudflare.com
albert.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 a:outbound.muellmail.com -all
📊 DNS lookups: 1/10
✓ 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 a:outbound.muellmail.com -all
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