Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hfu-business-network.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 01:37:51 UTC · ↺ Refresh
MX Hostnames
- mail.hfu-business-network.de
MX Priorities
- mail.hfu-business-network.de: 10
A / AAAA Records
- 217.160.17.98 ↩ merkur.matoma.net
Mail Server IPs
- 217.160.17.98 ↩ merkur.matoma.net
SOA Record
Raw SOA
nsb3.schlundtech.de root.matoma.de 2026030301 1800 1800 1800 1800
Primary NS (mname)
nsb3.schlundtech.de
Admin Email (rname)
root@matoma.de
Serial
2026030301
Refresh
1800s
Retry
1800s
Expire
1800s
Minimum TTL
1800s
Nameservers (NS)
nsmerkur.matoma.net
nsb3.schlundtech.de
SPF Record
✓ Strict (-all)
v=spf1 +a +mx ip4:85.215.224.132 include:secureserver.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 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 +a +mx ip4:85.215.224.132 include:secureserver.net -all
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