Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
schlapp-immobilien.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 20:51:08 UTC · ↺ Refresh
MX Hostnames
- server1.schlapp.net
- mail.schlapp-immobilien.de
MX Priorities
- server1.schlapp.net: 10
- mail.schlapp-immobilien.de: 10
A / AAAA Records
- 144.76.86.16 ↩ server1.schlapp.net
- 2a01:4f8:192:130f::2 ↩ server1.schlapp.net
Mail Server IPs
- 144.76.86.16 ↩ server1.schlapp.net
- 2a01:4f8:192:130f::2 ↩ server1.schlapp.net
SOA Record
Raw SOA
ns1.schlapp-immobilien.de abuse.schlapp-immobilien.de 2020041126 3600 1800 1209600 600
Primary NS (mname)
ns1.schlapp-immobilien.de
Admin Email (rname)
abuse@schlapp-immobilien.de
Serial
2020041126
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
ns2.schlapp-immobilien.de
ns1.schlapp-immobilien.de
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=70; ruf=mailto:[email protected]; rua=mailto:[email protected]; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
⚠ Policy applies to 70% of failing messages only
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx ~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 schlapp-immobilien.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits