Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
caredent-dr-bussmann.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 15:24:10 UTC · ↺ Refresh
MX Hostnames
- mx01.ionos.de
- mx00.ionos.de
MX Priorities
- mx01.ionos.de: 10
- mx00.ionos.de: 10
A / AAAA Records
- 217.160.0.239 ↩ 217-160-0-239.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::254 ↩ 2001-08d8-100f-f000-0000-0000-0000-0254.elastic-ssl.ui-r.com
Mail Server IPs
- 217.72.192.67 ↩ mx01.kundenserver.de
- 212.227.15.41 ↩ mx00.kundenserver.de
SOA Record
Raw SOA
ns1017.ui-dns.org hostmaster.1und1.de 2016042840 28800 7200 604800 300
Primary NS (mname)
ns1017.ui-dns.org
Admin Email (rname)
hostmaster@1und1.de
Serial
2016042840
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1017.ui-dns.biz
ns1017.ui-dns.org
ns1017.ui-dns.com
ns1017.ui-dns.de
SPF Record
✓ Strict (-all)
v=spf1 mx include:_spf-eu.ionos.com -all
📊 DNS lookups: 2/10
✓ 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
✓ 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 mx include:_spf-eu.ionos.com -all
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