Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
staedtereinigung-gerke.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 07:56:19 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)
ns2.vodafone-ip.de
ns1.vodafone-ip.de
ns3.vodafone-ip.de
SPF Record
✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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 mx -all
- MS=ms64081985
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