sleif.de

Valid Email Server
Domain Lookup › sleif.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sleif.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-25 10:52:35 UTC · ↺ Refresh

MX Hostnames

  • smtp-fb-01.sleif.de
  • smtp.sleif.de
  • mail.sleif.de

MX Priorities

  • mail.sleif.de: 10
  • smtp-fb-01.sleif.de: 100
  • smtp.sleif.de: 10

A / AAAA Records

  • 195.201.192.83 ↩ mail.sleif.de

Mail Server IPs

  • 195.201.192.83 ↩ mail.sleif.de
  • 45.157.179.126 ↩ smtp-fb-01.sleif.de
  • 2a03:4000:4b:8f:c499:30ff:fe6c:6d28 (no PTR)

SOA Record

Raw SOA ns.sleif.de inwx.sleif.de 2026030801 3600 900 604800 600
Primary NS (mname)
ns.sleif.de
Admin Email (rname)
inwx@sleif.de
Serial
2026030801
Refresh
3600s
Retry
900s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns.inwx.de
ns2.inwx.de
ns.sleif.de

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:148.251.132.190 ip4:148.251.132.175 ip6:2a01:4f8:210:31ae:190::25 ip4:195.201.192.83 ip4:195.201.192.84 ip4:195.201.192.85 ip6:2a01:4f8:13a:18a3:83::25 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict 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

✗ None detected

No 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 mx ip4:148.251.132.190 ip4:148.251.132.175 ip6:2a01:4f8:210:31ae:190::25 ip4:195.201.192.83 ip4:195.201.192.84 ip4:195.201.192.85 ip6:2a01:4f8:13a:18a3:83::25 -all
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