Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sv-deck.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 19:03:31 UTC · ↺ Refresh
MX Hostnames
- sm21.sdsolutions.de
MX Priorities
- sm21.sdsolutions.de: 10
A / AAAA Records
- 193.110.7.52 ↩ nochfrei52.sdsolutions.de
Mail Server IPs
- 193.110.7.148 ↩ sm21.sdsolutions.de
SOA Record
Raw SOA
ns0.sd-cross.de administrator.sd-cross.de 2022011401 21600 3600 604800 800
Primary NS (mname)
ns0.sd-cross.de
Admin Email (rname)
administrator@sd-cross.de
Serial
2022011401
Refresh
21600s
Retry
3600s
Expire
604800s
Minimum TTL
800s
Nameservers (NS)
ns0.sd-cross.de
ns1.sdsolutions.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:193.110.7.43/32 ip4:193.110.7.148/32 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 ip4:193.110.7.43/32 ip4:193.110.7.148/32 -all
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