Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zahnarzt-malter.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 08:57:57 UTC · ↺ Refresh
MX Hostnames
- filter30.antispamcloud.com
- filter20.antispamcloud.com
- filter10.antispamcloud.com
- filter40.antispamcloud.com
MX Priorities
- filter10.antispamcloud.com: 10
- filter40.antispamcloud.com: 40
- filter30.antispamcloud.com: 30
- filter20.antispamcloud.com: 20
A / AAAA Records
- 5.44.106.175 ↩ thor.cl-server.de
Mail Server IPs
- 38.101.250.150 ↩ fe3-r2-in.atl06.l.antispamcloud.com
- 2001:550:2:78::ca:100 ↩ fe3-r2-in.atl06.l.antispamcloud.com
- 38.71.16.244 ↩ fe2-r2-in.la10.l.antispamcloud.com
- 2001:550:2:3::62:100 ↩ fe2-r2-in.la10.l.antispamcloud.com
- 38.89.254.156 ↩ fe1-r2-in.ch03.l.antispamcloud.com
- 2001:550:2:61::2fc:100 (no PTR)
SOA Record
Raw SOA
ns1.crayssnlabs.de hosting.crayssnlabs.de 2023030500 43200 7200 1209600 86400
Primary NS (mname)
ns1.crayssnlabs.de
Admin Email (rname)
hosting@crayssnlabs.de
Serial
2023030500
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.crayssnlabs.de
ns4.crayssnlabs.de
ns3.crayssnlabs.de
ns2.crayssnlabs.de
SPF Record
✓ Strict (-all)
v=spf1 +a +mx include:spf.cl-server.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict 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
default._domainkey
✓ Public key: 216 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 +a +mx include:spf.cl-server.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
See demo & docs
Deep verification
Full email verification for zahnarzt-malter.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits