kossakowski.de

Valid Email Server
Domain Lookup › kossakowski.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
kossakowski.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 02:20:08 UTC · ↺ Refresh

MX Hostnames

  • mailscanner01.work.de
  • mailscanner03.work.de
  • mailscanner02.work.de

MX Priorities

  • mailscanner01.work.de: 10
  • mailscanner03.work.de: 10
  • mailscanner02.work.de: 10

A / AAAA Records

  • 212.12.41.26 ↩ first.pre-secure.de

Mail Server IPs

  • 212.12.45.122 ↩ mailscanner01.work.de
  • 212.12.42.234 ↩ mailscanner03.work.de
  • 212.12.37.79 ↩ mailscanner02.work.de

SOA Record

Raw SOA ns.work.de hostmaster.work.de 2022120900 28800 7200 604800 86400
Primary NS (mname)
ns.work.de
Admin Email (rname)
hostmaster@work.de
Serial
2022120900
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

hulk.work.de
ns.work.de

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:213.238.39.93 ip4:213.238.39.107 ip4:213.238.39.74 ip4:212.12.60.67 ip4:212.12.41.23 include:workspf.work.de ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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 ip4:213.238.39.93 ip4:213.238.39.107 ip4:213.238.39.74 ip4:212.12.60.67 ip4:212.12.41.23 include:workspf.work.de ~all
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