Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
f19.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 14:30:18 UTC · ↺ Refresh
MX Hostnames
- kds.inet-kom.net
MX Priorities
- kds.inet-kom.net: 10
A / AAAA Records
- 168.119.77.148 ↩ kds.inet-kom.net
Mail Server IPs
- 168.119.77.148 ↩ kds.inet-kom.net
SOA Record
Raw SOA
kds.inet-kom.net postmaster.f19.de 2026012504 900 900 2419200 3600
Primary NS (mname)
kds.inet-kom.net
Admin Email (rname)
postmaster@f19.de
Serial
2026012504
Refresh
900s
Retry
900s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
robotns2.second-ns.de
robotns3.second-ns.com
ns1.first-ns.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a:kds.linsrv.de ?all
📊 DNS lookups: 1/10
? Neutral (?all) — no enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
1 record- SPFv=spf1 a:kds.linsrv.de ?all
Full email verification for f19.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits