Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
immobilien-strobl.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 23:53:00 UTC · ↺ Refresh
MX Hostnames
- mx-a.secumail.de
- mx-b.secumail.de
MX Priorities
- mx-a.secumail.de: 10
- mx-b.secumail.de: 10
A / AAAA Records
- 85.13.137.131 ↩ dd44918.kasserver.com
Mail Server IPs
- 212.11.225.17 ↩ sc03.secumail.de
- 212.11.225.133 ↩ sc01.secumail.de
- 212.11.224.132 ↩ sc02.secumail.de
- 212.11.224.154 ↩ sc04.secumail.de
SOA Record
Raw SOA
ns5.kasserver.com hostmaster.kasserver.com 2512160813 28800 7200 1209600 7200
Primary NS (mname)
ns5.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2512160813
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s
Nameservers (NS)
ns3.kas-dns-server.de
a-dns-service.de
ns5.kasserver.com
ns6.kasserver.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.sendinblue.com a:w0189b3f.kasserver.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]!10m; ruf=mailto:[email protected]!10m; rf=afrf; pct=100; ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]!10m
↳ Subdomain policy: none
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- Sendinblue-code:ef4580a2013bebf74a07a64a9c3eabe1
- SPFv=spf1 include:spf.protection.outlook.com include:spf.sendinblue.com a:w0189b3f.kasserver.com -all
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