Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
fhcup.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 14:30:38 UTC · ↺ Refresh
MX Hostnames
- s004.provider24.de
MX Priorities
- s004.provider24.de: 10
A / AAAA Records
- 144.76.58.107 ↩ s004.provider24.de
- 2a01:4f8:191:626a::2 ↩ s004.provider24.de
Mail Server IPs
- 144.76.58.107 ↩ s004.provider24.de
- 2a01:4f8:191:626a::2 ↩ s004.provider24.de
SOA Record
Raw SOA
nsa6.schlundtech.de soa.fhisy.de 2018100500 43200 7200 1209600 86400
Primary NS (mname)
nsa6.schlundtech.de
Admin Email (rname)
soa@fhisy.de
Serial
2018100500
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
nsd6.schlundtech.de
nsb6.schlundtech.de
nsc6.schlundtech.de
nsa6.schlundtech.de
SPF Record
✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx -all
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