Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kufatec.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 08:06:01 UTC · ↺ Refresh
MX Hostnames
- mail.kufatec.de
MX Priorities
- mail.kufatec.de: 10
A / AAAA Records
- 138.201.1.55 ↩ k17o94.meinserver.io
Mail Server IPs
- 45.136.30.111 ↩ mail.kufatec.de
- 2a03:4000:49:16e:781b:41ff:fe6f:7cb1 ↩ mail.kufatec.de
SOA Record
Raw SOA
ns.checkdomain.de heinzelmann.kufatec.de 2026031804 40000 7200 604800 600
Primary NS (mname)
ns.checkdomain.de
Admin Email (rname)
heinzelmann@kufatec.de
Serial
2026031804
Refresh
40000s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns2.checkdomain.de
ns.checkdomain.de
SPF Record
✓ Strict (-all)
v=spf1 a mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=s; aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
default._domainkey
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx -all
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