Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
seiberth-immobilien.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 21:46:59 UTC · ↺ Refresh
MX Hostnames
- mx00.ionos.de
- mx01.ionos.de
MX Priorities
- mx01.ionos.de: 10
- mx00.ionos.de: 10
A / AAAA Records
- 217.160.0.166 ↩ 217-160-0-166.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::247 ↩ 2001-08d8-100f-f000-0000-0000-0000-0247.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
ns1098.ui-dns.de hostmaster.1und1.com 2017060127 28800 7200 604800 600
Primary NS (mname)
ns1098.ui-dns.de
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060127
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1098.ui-dns.de
ns1092.ui-dns.org
ns1092.ui-dns.biz
ns1121.ui-dns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx include:cemsc.net ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=50; 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]
⚠ Policy applies to 50% of failing messages only
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 mx include:cemsc.net ~all
- google-site-verification=XUE8TqCgk7VvVRglFQhmW3m79sWxniJxpbvpqXUmUN0
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