sl-rack.de

Valid Email Server
Domain Lookup › sl-rack.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sl-rack.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 03:20:59 UTC · ↺ Refresh

MX Hostnames

  • mxtls.expurgate.net

MX Priorities

  • mxtls.expurgate.net: 10

A / AAAA Records

  • 85.13.132.253

Mail Server IPs

  • 194.145.224.122 ↩ mxtls.expurgate.net
  • 194.145.224.123 ↩ mxtls.expurgate.net
  • 194.145.224.124 ↩ mxtls.expurgate.net
  • 194.145.224.125 ↩ mxtls.expurgate.net
  • 195.190.135.120 ↩ mxtls.expurgate.net
  • 195.190.135.121 ↩ mxtls.expurgate.net
  • 195.190.135.122 ↩ mxtls.expurgate.net
  • 195.190.135.123 ↩ mxtls.expurgate.net
  • 195.190.135.124 ↩ mxtls.expurgate.net
  • 195.190.135.125 ↩ mxtls.expurgate.net
  • 194.145.224.120
  • 194.145.224.121

SOA Record

Raw SOA ns5.kasserver.com hostmaster.kasserver.com 2602241030 28800 7200 1209600 7200
Primary NS (mname)
ns5.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2602241030
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s

Nameservers (NS)

ns6.kasserver.com
ns5.name-server-kas.de
ns5.kasserver.com
ns3.ai-dns.de

SPF Record

✓ Strict (-all)
v=spf1 a mx mx:mail.schletter.email ip4:87.138.163.129 include:spf.crsend.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

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

2 records
  • SPFv=spf1 a mx mx:mail.schletter.email ip4:87.138.163.129 include:spf.crsend.com -all
  • 8dmarckqr16n6gh1mrnjv26aii
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