Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
drkasten.eu
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 12:05:14 UTC · ↺ Refresh
MX Hostnames
- mail.drkasten.eu
MX Priorities
- mail.drkasten.eu: 10
A / AAAA Records
- 172.67.128.249 (no PTR)
- 104.21.1.95 (no PTR)
- 2606:4700:3032::ac43:80f9 (no PTR)
- 2606:4700:3030::6815:15f (no PTR)
Mail Server IPs
- 109.237.130.10 ↩ alfa3082.alfahosting-server.de
SOA Record
Raw SOA
chuck.ns.cloudflare.com dns.cloudflare.com 2398617876 10000 2400 604800 1800
Primary NS (mname)
chuck.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398617876
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
chuck.ns.cloudflare.com
cruz.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:secure-mailgate.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate 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
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx include:secure-mailgate.com ~all
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