Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
im-heisterholz.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 19:16:00 UTC · ↺ Refresh
MX Hostnames
- ssl.meinkundenserver.de
MX Priorities
- ssl.meinkundenserver.de: 10
A / AAAA Records
- 89.110.149.177 ↩ ssl.meinkundenserver.de
Mail Server IPs
- 89.110.149.177 ↩ ssl.meinkundenserver.de
SOA Record
Raw SOA
a.ns14.net do-not-reply.im-heisterholz.de 2026022404 43200 7200 1209600 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
do-not-reply@im-heisterholz.de
Serial
2026022404
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
d.ns14.net
b.ns14.net
a.ns14.net
c.ns14.net
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a a:ssl.meinkundenserver.de ip4:89.110.149.177 include:spf.crsend.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=s; aspf=s; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
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 a a:ssl.meinkundenserver.de ip4:89.110.149.177 include:spf.crsend.com ~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 im-heisterholz.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits