hsk-schulte.de

Valid Email Server
Domain Lookup › hsk-schulte.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
hsk-schulte.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-04 23:28:05 UTC · ↺ Refresh

MX Hostnames

  • mx01.kundenserver.de
  • mx00.kundenserver.de

MX Priorities

  • mx00.kundenserver.de: 10
  • mx01.kundenserver.de: 11

A / AAAA Records

  • 217.160.0.157 ↩ 217-160-0-157.elastic-ssl.ui-r.com

Mail Server IPs

  • 212.227.15.41 ↩ mx00.kundenserver.de
  • 217.72.192.67 ↩ mx01.kundenserver.de

SOA Record

Raw SOA ns-de.1and1-dns.biz hostmaster.1und1.com 2017033123 28800 7200 604800 600
Primary NS (mname)
ns-de.1and1-dns.biz
Admin Email (rname)
hostmaster@1und1.com
Serial
2017033123
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns-de.1and1-dns.de
ns-de.1and1-dns.org
ns-de.1and1-dns.biz
ns-de.1and1-dns.com

SPF Record

✓ Strict (-all)
v=spf1 mx a include:spf.nl2go.com include:_spf.perfora.net include:_spf.kundenserver.de -all
📊 DNS lookups: 5/10
✓ 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

1 record
  • SPFv=spf1 mx a include:spf.nl2go.com include:_spf.perfora.net include:_spf.kundenserver.de -all
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