Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
3rc.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 13:54:18 UTC · ↺ Refresh
MX Hostnames
- srv.ncxs.de
MX Priorities
- srv.ncxs.de: 5
A / AAAA Records
- 178.63.23.179 ↩ srv.ncxs.de
Mail Server IPs
- 178.63.23.185 ↩ srv.ncxs.de
SOA Record
Raw SOA
ns3.ncx-systems.de hostmaster.ncx-systems.de 2023082902 10800 3600 604800 3600
Primary NS (mname)
ns3.ncx-systems.de
Admin Email (rname)
hostmaster@ncx-systems.de
Serial
2023082902
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns5.ncx-systems.de
ns3.ncx-systems.de
ns4.ncx-systems.de
SPF Record
✓ Soft Fail (~all)
v=spf1 +mx +a ip4:178.63.23.179 ip4:178.63.23.185 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 +mx +a ip4:178.63.23.179 ip4:178.63.23.185 ~all
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