keisinger-werbung.de

Valid Email Server
Domain Lookup › keisinger-werbung.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
keisinger-werbung.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 12:28:27 UTC · ↺ Refresh

MX Hostnames

  • antispam.fhd.de

MX Priorities

  • antispam.fhd.de: 10

A / AAAA Records

  • 91.221.204.70 ↩ niklas.fhd.de

Mail Server IPs

  • 91.221.204.128 ↩ antispam.fhd.de
  • 2001:67c:56c::2:0:128 ↩ antispam.fhd.de

SOA Record

Raw SOA nsa4.schlundtech.de info.keisinger-werbung.de 2025042200 43200 7200 1209600 600
Primary NS (mname)
nsa4.schlundtech.de
Admin Email (rname)
info@keisinger-werbung.de
Serial
2025042200
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s

Nameservers (NS)

nsd4.schlundtech.de
nsb4.schlundtech.de
nsc4.schlundtech.de
nsa4.schlundtech.de

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:212.123.34.96/28 ip4:91.221.204.0/23 ip4:212.15.212.171 ip4:130.180.112.136/29 ip4:212.123.36.25 ip4:5.28.40.196/32 ip4:5.28.40.197/32 ip4:5.28.40.195/32 ip4:5.28.40.218/32 ip4:5.28.41.10/32 -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

1 record
  • SPFv=spf1 mx ip4:212.123.34.96/28 ip4:91.221.204.0/23 ip4:212.15.212.171 ip4:130.180.112.136/29 ip4:212.123.36.25 ip4:5.28.40.196/32 ip4:5.28.40.197/32 ip4:5.28.40.195/32 ip4:5.28.40.218/32 ip4:5.28.41.10/32 -all
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