Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
esb-reisen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 23:35:10 UTC · ↺ Refresh
MX Hostnames
- mx.schmetterling-argus.de
MX Priorities
- mx.schmetterling-argus.de: 10
A / AAAA Records
- 213.95.81.32 (no PTR)
Mail Server IPs
- 213.95.81.224 ↩ mx.schmetterling-argus.de
SOA Record
Raw SOA
ns01.schmetterling.de rebecca\.kaden.schmetterling.de 2024061000 43200 14400 604800 86400
Primary NS (mname)
ns01.schmetterling.de
Admin Email (rname)
rebecca\@kaden.schmetterling.de
Serial
2024061000
Refresh
43200s
Retry
14400s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns02.schmetterling.de
ns04.schmetterling.de
ns01.schmetterling.de
ns03.schmetterling.de
SPF Record
✓ Strict (-all)
v=spf1 mx include:schmetterling-argus.de -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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 mx include:schmetterling-argus.de -all
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