Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
franko-modelle.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 08:08:47 UTC · ↺ Refresh
MX Hostnames
- mail.knock-it-on.com
MX Priorities
- mail.knock-it-on.com: 10
A / AAAA Records
- 82.165.112.113 ↩ server3.knock-it-on.com
Mail Server IPs
- 82.165.112.113 ↩ server3.knock-it-on.com
SOA Record
Raw SOA
nsa7.schlundtech.de admin.knock-it-on.com 2021012601 43200 7200 1209600 86400
Primary NS (mname)
nsa7.schlundtech.de
Admin Email (rname)
admin@knock-it-on.com
Serial
2021012601
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
nsc7.schlundtech.de
nsd7.schlundtech.de
nsb7.schlundtech.de
nsa7.schlundtech.de
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +a:server1.knock-it-on.com +a:server2.knock-it-on.com +a:server3.knock-it-on.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; aspf=r; ri=172800
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 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 +a:server1.knock-it-on.com +a:server2.knock-it-on.com +a:server3.knock-it-on.com -all
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