isfh.de

Valid Email Server
Domain Lookup › isfh.de

Domain Overview

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

Checked via [email protected] · 2026-03-27 13:37:26 UTC · ↺ Refresh

MX Hostnames

  • w0084764.kasserver.com

MX Priorities

  • w0084764.kasserver.com: 10

A / AAAA Records

  • 188.34.162.216 ↩ static.216.162.34.188.clients.your-server.de

Mail Server IPs

  • 85.13.139.65 ↩ dd18814.kasserver.com

SOA Record

Raw SOA ns5.kasserver.com hostmaster.kasserver.com 2603251332 28800 7200 1209600 7200
Primary NS (mname)
ns5.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2603251332
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s

Nameservers (NS)

ns5.kasserver.com
ns6.kasserver.com

SPF Record

✓ Strict (-all)
v=spf1 mx a -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;sp=none;pct=100;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none

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 -all
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