Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
leader-huemmling.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 06:31:40 UTC · ↺ Refresh
MX Hostnames
- mail.backslash-n.com
MX Priorities
- mail.backslash-n.com: 10
A / AAAA Records
- 88.99.189.246 ↩ web02.hcloud.backslash-n.io
Mail Server IPs
- 128.140.97.8 ↩ mail.backslash-n.com
SOA Record
Raw SOA
ns1.first-ns.de dns.hetzner.com 2025111700 14400 1800 604800 500
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dns@hetzner.com
Serial
2025111700
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
500s
Nameservers (NS)
robotns3.second-ns.com
ns1.first-ns.de
robotns2.second-ns.de
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.backslash-n.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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 include:_spf.backslash-n.com -all
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