Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kornhardt.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 21:46:44 UTC · ↺ Refresh
MX Hostnames
- kornhardt.de
MX Priorities
- kornhardt.de: 10
A / AAAA Records
- 45.157.232.227 ↩ gigav03.alma-isp.de
Mail Server IPs
- 45.157.232.227 ↩ gigav03.alma-isp.de
SOA Record
Raw SOA
ns3.shells24.com support.alsoisp.de 2014060607 10800 3600 604800 86400
Primary NS (mname)
ns3.shells24.com
Admin Email (rname)
support@alsoisp.de
Serial
2014060607
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns4.shells24.com
ns3.shells24.com
SPF Record
✓ Soft Fail (~all)
v=spf1 +mx +a +ip4:45.157.232.227 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._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
2 records- SPFv=spf1 +mx +a +ip4:45.157.232.227 ~all
- DMARCv=DMARC1; p=none;
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