Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
acusplus.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 19:19:11 UTC · ↺ Refresh
MX Hostnames
- mail.acusplus.com
MX Priorities
- mail.acusplus.com: 10
A / AAAA Records
- 176.9.35.204 ↩ web.acusplus.com
Mail Server IPs
- 176.9.35.205 ↩ mail.acusplus.com
SOA Record
Raw SOA
nsa4.schlundtech.de technik.aplusgruppe.de 2025112411 43200 7200 1209600 86400
Primary NS (mname)
nsa4.schlundtech.de
Admin Email (rname)
technik@aplusgruppe.de
Serial
2025112411
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
nsb4.schlundtech.de
nsa4.schlundtech.de
nsd4.schlundtech.de
nsc4.schlundtech.de
SPF Record
✓ Strict (-all)
v=spf1 a mx mx:mail.acusplus.com ip4:176.9.35.205 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=r; aspf=r; pct=50; rf=afrf; sp=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: quarantine
⚠ Policy applies to 50% of failing messages only
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx mx:mail.acusplus.com ip4:176.9.35.205 -all
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