Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hb-hb-immobilien.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 10:39:48 UTC · ↺ Refresh
MX Hostnames
- mailin100.dcpserver.de
MX Priorities
- mailin100.dcpserver.de: 10
A / AAAA Records
- 78.46.179.108 ↩ dedi4976.your-server.de
- 2a01:4f8:d0a:6030::2 ↩ dedi4976.your-server.de
Mail Server IPs
- 212.53.180.5 ↩ mailin200.dcpserver.de
- 212.53.180.4 ↩ mailin200.dcpserver.de
- 212.53.180.6 ↩ mailin200.dcpserver.de
- 2a00:1f78:af02::4 ↩ mailin200.dcpserver.de
- 2a00:1f78:af02::6 ↩ mailin200.dcpserver.de
- 2a00:1f78:af02::5 ↩ mailin200.dcpserver.de
SOA Record
Raw SOA
ns1.your-server.de postmaster.your-server.de 2026011500 86400 10800 3600000 3600
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026011500
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
ns.second-ns.com
ns1.your-server.de
ns3.second-ns.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.dcpserver.de -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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- google-site-verification=-HD7_ahX_BEsnVTzMQTC5kyLNCKn6eHb6kiVualQ9L8
- SPFv=spf1 include:spf.dcpserver.de -all
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site · Customize →
See demo & docs
Deep verification
Full email verification for hb-hb-immobilien.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits