Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
knutkohl.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 18:38:07 UTC · ↺ Refresh
MX Hostnames
- cronos.kkvs.de
MX Priorities
- cronos.kkvs.de: 10
A / AAAA Records
- 148.251.178.234 ↩ rhea.kkvs.de
- 2a01:4f8:211:55d::2 (no PTR)
Mail Server IPs
- 91.228.53.233 ↩ cronos.kkvs.de
SOA Record
Raw SOA
nsa9.schlundtech.de schlund.knutkohl.de 2025020602 43200 7200 1209600 600
Primary NS (mname)
nsa9.schlundtech.de
Admin Email (rname)
schlund@knutkohl.de
Serial
2025020602
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
nsd9.schlundtech.de
nsa9.schlundtech.de
nsb9.schlundtech.de
nsc9.schlundtech.de
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:91.228.53.233 ~all
📊 DNS lookups: 0/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 ip4:91.228.53.233 ~all
Full email verification for knutkohl.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits