Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
drhaehnel.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 15:16:06 UTC · ↺ Refresh
MX Hostnames
- cow.mailboxer.eu
MX Priorities
- cow.mailboxer.eu: 10
A / AAAA Records
- 195.201.221.41 ↩ static.41.221.201.195.clients.your-server.de
- 2a01:4f8:c2c:a02a::1 (no PTR)
Mail Server IPs
- 116.203.136.68 ↩ cow.mailboxer.eu
- 2a01:4f8:c0c:f26d::1 ↩ cow.mailboxer.eu
SOA Record
Raw SOA
ns1.first-ns.de dns.hetzner.com 2020071101 86400 10800 3600000 86400
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dns@hetzner.com
Serial
2020071101
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
robotns2.second-ns.de
ns1.first-ns.de
robotns3.second-ns.com
SPF Record
✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=s; aspf=s; pct=100; rf=afrf; sp=none
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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 mx -all
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