Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
blm-bueroservice.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 02:02:52 UTC · ↺ Refresh
MX Hostnames
- mx11.system-hoster.com
- mx12.system-hoster.com
MX Priorities
- mx11.system-hoster.com: 10
- mx12.system-hoster.com: 10
A / AAAA Records
- 78.47.62.6 ↩ dedi2820.your-server.de
Mail Server IPs
- 193.143.122.115 ↩ mx20.system-hoster.com
- 193.143.122.117 ↩ mx21.system-hoster.com
SOA Record
Raw SOA
ns1.first-ns.de dns.hetzner.com 2026040100 14400 1800 604800 86400
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dns@hetzner.com
Serial
2026040100
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
robotns3.second-ns.com
ns1.first-ns.de
robotns2.second-ns.de
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.system-hoster.com include:spf.brevo.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 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- SPFv=spf1 a mx include:spf.system-hoster.com include:spf.brevo.com -all
- brevo-code:5e6b380eb0e50123a2616b1aa3a70f14
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