Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
duesseldorfer-sportportal.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 13:24:16 UTC · ↺ Refresh
MX Hostnames
- duesseldorfer-sportportal.de
MX Priorities
- duesseldorfer-sportportal.de: 0
A / AAAA Records
- 151.248.7.168 (no PTR)
Mail Server IPs
- 151.248.7.168 (no PTR)
SOA Record
Raw SOA
ns1.cprapid.com stack.conzap.com 2026021701 3600 1800 1209600 86400
Primary NS (mname)
ns1.cprapid.com
Admin Email (rname)
stack@conzap.com
Serial
2026021701
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
du1.duesseldorfer-sportportal.de
du2.duesseldorfer-sportportal.de
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
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
No TXT records found.
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