isenmann.de

Valid Email Server
Domain Lookup › isenmann.de

Domain Overview

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

Checked via [email protected] · 2026-03-21 15:14:08 UTC · ↺ Refresh

MX Hostnames

  • mxlb.ispgateway.de

MX Priorities

  • mxlb.ispgateway.de: 100

A / AAAA Records

  • 92.205.215.132 ↩ sh23221.ispgateway.de
  • 2a00:1169:103:6cc0:: ↩ sh23221.ispgateway.de

Mail Server IPs

  • 80.67.18.126 ↩ mxlb.ispgateway.de

SOA Record

Raw SOA ns81.domaincontrol.com dns.jomax.net 2026030201 28800 7200 604800 600
Primary NS (mname)
ns81.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026030201
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns82.domaincontrol.com
ns81.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 mx a include:ispgateway.de ip4:134.119.233.6 ip4:92.204.55.133 ip4:92.205.48.83 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; pct=10; sp=none; aspf=r
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
⚠ Policy applies to 10% of failing messages only

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:ispgateway.de ip4:134.119.233.6 ip4:92.204.55.133 ip4:92.205.48.83 -all
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