Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
planb-werbeberatung.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 22:28:28 UTC · ↺ Refresh
MX Hostnames
- mail2.rnssystems.de
MX Priorities
- mail2.rnssystems.de: 10
A / AAAA Records
- 144.76.198.111 ↩ hosting02.rns-systems.net
- 2a01:4f8:200:746e::2 ↩ hosting02.rns-systems.net
Mail Server IPs
- 144.76.198.111 ↩ hosting02.rns-systems.net
- 2a01:4f8:200:746e::2 ↩ hosting02.rns-systems.net
SOA Record
Raw SOA
ns1.rns-systems.de support.rnssystems.de 2025121801 14400 1800 604800 3600
Primary NS (mname)
ns1.rns-systems.de
Admin Email (rname)
support@rnssystems.de
Serial
2025121801
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.rns-systems.de
ns3.rns-systems.net
ns2.rns-systems.de
SPF Record
✓ Strict (-all)
v=spf1 a:mail2.rnssystems.de include:_spf.rns-systems.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a:mail2.rnssystems.de include:_spf.rns-systems.net -all
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