Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
business-on.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 09:32:30 UTC · ↺ Refresh
MX Hostnames
- mx00.kundenserver.de
- mx01.kundenserver.de
MX Priorities
- mx01.kundenserver.de: 10
- mx00.kundenserver.de: 10
A / AAAA Records
- 216.150.1.1 (no PTR)
Mail Server IPs
- 217.72.192.67 ↩ mx01.kundenserver.de
- 212.227.15.41 ↩ mx00.kundenserver.de
SOA Record
Raw SOA
fay.ns.cloudflare.com dns.cloudflare.com 2398744219 10000 2400 604800 1800
Primary NS (mname)
fay.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398744219
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
rodney.ns.cloudflare.com
fay.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf-eu.ionos.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate 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
k1._domainkey
✓ Public key: 736 chars (valid)
✓ DKIM properly configured for selector: k1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- SPFv=spf1 include:_spf-eu.ionos.com ~all
- facebook-domain-verification=m7xd7vamrbfy7ocm7af15a5sfgph25
- google-site-verification=4-fwzGyFsa3xZ4hzaKvMRMDl1iu1kxugM7vvGtwGypY
- google-site-verification=KFswHt-oD2mrKlLaFz89StpLr5xbnjl8fv9LdUfr9Zg
- DMARCv=DMARC1;p=reject;pct=100;rua=mailto:[email protected]
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