Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
open9.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 03:31:04 UTC · ↺ Refresh
MX Hostnames
- mx19c.antispameurope.com
- mx19d.antispameurope.com
- mx19a.antispameurope.com
- mx19b.antispameurope.com
MX Priorities
- mx19c.antispameurope.com: 30
- mx19b.antispameurope.com: 20
- mx19a.antispameurope.com: 10
- mx19d.antispameurope.com: 40
A / AAAA Records
- 45.144.186.41 (no PTR)
Mail Server IPs
- 94.100.132.100 ↩ hsmx01.antispameurope.com
- 83.246.65.85 ↩ hsmx01-hz2.antispameurope.com
SOA Record
Raw SOA
ns01.agenturserver.de support.mittwald.de 2026021910 28800 7200 604800 3600
Primary NS (mname)
ns01.agenturserver.de
Admin Email (rname)
support@mittwald.de
Serial
2026021910
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns01.agenturserver.co
ns01.agenturserver.de
ns01.agenturserver.it
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a include:spf.protection.outlook.com include:agenturserver.de include:spf.hornetsecurity.com a:mailservice.pccaddie.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx a include:spf.protection.outlook.com include:agenturserver.de include:spf.hornetsecurity.com a:mailservice.pccaddie.com ~all
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