Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
n-lehnert.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 17:52:09 UTC · ↺ Refresh
MX Hostnames
- smtp-backup2.portunity.de
- mail.postsystem.de
- smtp-backup1.portunity.de
MX Priorities
- mail.postsystem.de: 10
- smtp-backup2.portunity.de: 60
- smtp-backup1.portunity.de: 50
A / AAAA Records
- 185.230.162.98 ↩ mail.postsystem.de
- 2a09:6301::7:68a5:50e2:3820:dcf5 ↩ mail.postsystem.de
Mail Server IPs
- 185.230.162.98 ↩ mail.postsystem.de
- 37.120.186.72 ↩ smtp-backup2-2.portunity.de
- 2a03:4000:f:5b9::25 ↩ smtp-backup2-2.portunity.de
- 217.144.128.54 ↩ smtp-backup1.portunity.de
- 2a02:a00::2:0:0:54 ↩ smtp-backup1.portunity.de
SOA Record
Raw SOA
ns1.limenet.de root.limenet.de 2024061501 10800 3600 604800 3600
Primary NS (mname)
ns1.limenet.de
Admin Email (rname)
root@limenet.de
Serial
2024061501
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.limenet.de
ns4.limenet.de
ns2.limenet.de
ns3.limenet.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:185.230.162.98 ip6:2a09:6301:0:7:68a5:50e2:3820:dcf5 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; adkim=r; aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict
· 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
2 records- google-site-verification=yVBooRSr8fskxzBgtW2PX05noh_CKaxk1vdBjSpD8K0
- SPFv=spf1 ip4:185.230.162.98 ip6:2a09:6301:0:7:68a5:50e2:3820:dcf5 -all
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