Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
neckarcenter.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 14:48:17 UTC · ↺ Refresh
MX Hostnames
- mail.neckarcenter.de
MX Priorities
- mail.neckarcenter.de: 10
A / AAAA Records
- 85.215.123.6 ↩ w26.n-dib.net
- 2a01:239::166:0:0:0:1 ↩ w26.n-dib.net
Mail Server IPs
- 85.215.123.6 ↩ w26.n-dib.net
- 2a01:239::166:0:0:0:1 ↩ w26.n-dib.net
SOA Record
Raw SOA
ns1.he.net kemmner.neckar-center.de 2026032006 10800 3600 1209600 10800
Primary NS (mname)
ns1.he.net
Admin Email (rname)
kemmner@neckar-center.de
Serial
2026032006
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
ns3.he.net
ns2.he.net
ns4.he.net
ns1.he.net
ns5.he.net
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +a:w26.n-dib.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=10
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
⚠ Policy applies to 10% of failing messages only
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 +a +mx +a:w26.n-dib.net -all
- MS=ms24256115
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