gsak.de

Valid Email Server
Domain Lookup › gsak.de

Domain Overview

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

Checked via [email protected] · 2026-03-30 16:32:07 UTC · ↺ Refresh

MX Hostnames

  • mail.swk.de
  • mail-2.swk.de
  • mail2.swk.de
  • mail-1.swk.de

MX Priorities

  • mail.swk.de: 100
  • mail2.swk.de: 105
  • mail-1.swk.de: 50
  • mail-2.swk.de: 55

A / AAAA Records

  • 13.93.40.174 (no PTR)

Mail Server IPs

  • 88.79.212.19 ↩ mail-1.swk.de
  • 88.79.212.24 ↩ mail2.swk.de

SOA Record

Raw SOA ns1.vodafone-ip.de hostmaster.adm.arcor.net 2026022300 28800 14400 1814400 7200
Primary NS (mname)
ns1.vodafone-ip.de
Admin Email (rname)
hostmaster@adm.arcor.net
Serial
2026022300
Refresh
28800s
Retry
14400s
Expire
1814400s
Minimum TTL
7200s

Nameservers (NS)

ns3.vodafone-ip.de
ns1.vodafone-ip.de
ns2.vodafone-ip.de

SPF Record

✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ 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

3 records
  • MS=ms29142119
  • atlassian-domain-verification=uNJtwf60bjQoaXatMT6h6X7RjZHRxzWZLXDrhb4PSoE4U6YdlvaaQhsen77rLgj2
  • SPFv=spf1 mx -all
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