Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mvh-dinslaken.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 18:18:23 UTC · ↺ Refresh
MX Hostnames
- mail.corika.com
- mx2.corika.com
MX Priorities
- mx2.corika.com: 20
- mail.corika.com: 10
A / AAAA Records
- 88.198.56.112 ↩ ns.corika.com
- 2a01:4f8:222:283::1 (no PTR)
Mail Server IPs
- 213.239.230.82 ↩ mail.corika.com
- 2a01:4f8:222:283::21 (no PTR)
- 2a01:4f8:222:283::2 ↩ mail.corika.com
SOA Record
Raw SOA
ns.corika.com postmaster.corika.com 2024042220 14400 1800 604800 86400
Primary NS (mname)
ns.corika.com
Admin Email (rname)
postmaster@corika.com
Serial
2024042220
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
robotns3.second-ns.com
ns.corika.com
robotns2.second-ns.de
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.corika.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=quarantine; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
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 include:_spf.corika.com -all
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