Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
fu-wi.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 07:29:48 UTC · ↺ Refresh
MX Hostnames
- mail.serverimnetz.de
MX Priorities
- mail.serverimnetz.de: 0
A / AAAA Records
- 85.13.146.194 ↩ dd28212.kasserver.com
Mail Server IPs
- 195.88.45.245 ↩ mailgw1.serverimnetz.de
- 89.107.68.125 ↩ mailgw3.serverimnetz.de
SOA Record
Raw SOA
ns5.kasserver.com hostmaster.kasserver.com 2601191054 28800 7200 1209600 7200
Primary NS (mname)
ns5.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2601191054
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s
Nameservers (NS)
ns6.kasserver.com
ns5.kasserver.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.mail.serverimnetz.de include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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- MS=ms74958376
- SPFv=spf1 include:spf.mail.serverimnetz.de include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
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