Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
werbestudio-luebke.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 08:24:30 UTC · ↺ Refresh
MX Hostnames
- mail.luebke.de
MX Priorities
- mail.luebke.de: 10
A / AAAA Records
- 202.61.229.165 ↩ mail.luebke.de
- 2a03:4000:57:e6b:6867:bdff:fee0:c9d ↩ mail.luebke.de
Mail Server IPs
- 202.61.229.165 ↩ mail.luebke.de
- 2a03:4000:57:e6b:6867:bdff:fee0:c9d ↩ mail.luebke.de
SOA Record
Raw SOA
root-dns.netcup.net dnsadmin.netcup.net 2024012908 28800 7200 1209600 43200
Primary NS (mname)
root-dns.netcup.net
Admin Email (rname)
dnsadmin@netcup.net
Serial
2024012908
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
43200s
Nameservers (NS)
third-dns.netcup.net
root-dns.netcup.net
second-dns.netcup.net
SPF Record
✓ Strict (-all)
v=spf1 a:mail.luebke.de include:spf.server-he.de -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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 a:mail.luebke.de include:spf.server-he.de -all
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