Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
alzheimer-forschung.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 22:41:02 UTC · ↺ Refresh
MX Hostnames
- mail.alzheimer-forschung.de
MX Priorities
- mail.alzheimer-forschung.de: 10
A / AAAA Records
- 185.233.53.124 ↩ r21793.agenturserver.it
Mail Server IPs
- 217.91.46.179 ↩ mail.alzheimer-forschung.de
SOA Record
Raw SOA
nsa2.schlundtech.de office.fixpunkt.com 2025101005 43200 7200 1209600 86400
Primary NS (mname)
nsa2.schlundtech.de
Admin Email (rname)
office@fixpunkt.com
Serial
2025101005
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
nsa2.schlundtech.de
nsd2.schlundtech.de
nsc2.schlundtech.de
nsb2.schlundtech.de
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com include:_spf.zimpel.de -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 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
2 records- SPFv=spf1 a mx include:spf.protection.outlook.com include:_spf.zimpel.de -all
- MS=ms95007297
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