Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lennetz.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 00:57:08 UTC · ↺ Refresh
MX Hostnames
- mail.adebahr.de
MX Priorities
- mail.adebahr.de: 10
A / AAAA Records
- 185.66.179.117 ↩ fixed-ip-185-66-179-117.adebahr.de
Mail Server IPs
- 185.66.179.123 ↩ mail.adebahr.de
- 2a05:901:1::5054:ff:fea7:cd5a ↩ mail.adebahr.de
SOA Record
Raw SOA
ns1.core-networks.de hostmaster.core-networks.de 2024092151 28800 7200 604800 1800
Primary NS (mname)
ns1.core-networks.de
Admin Email (rname)
hostmaster@core-networks.de
Serial
2024092151
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ns1.core-networks.de
ns2.core-networks.eu
ns3.core-networks.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:185.66.179.96/27 mx ?all
📊 DNS lookups: 1/10
? Neutral (?all) — no enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; sp=reject; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ 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 ip4:185.66.179.96/27 mx ?all
Full email verification for lennetz.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits