Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
drk-nh.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 14:40:02 UTC · ↺ Refresh
MX Hostnames
- mx6.helios-kliniken.de
- mx5.helios-kliniken.de
MX Priorities
- mx6.helios-kliniken.de: 10
- mx5.helios-kliniken.de: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 193.104.84.102 ↩ mx6.helios-kliniken.de
- 193.104.84.101 ↩ mx5.helios-kliniken.de
SOA Record
Raw SOA
a1-53.akam.net hostmaster.drk-nh.de 2024030512 3600 600 604800 300
Primary NS (mname)
a1-53.akam.net
Admin Email (rname)
hostmaster@drk-nh.de
Serial
2024030512
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
a1-53.akam.net
a16-65.akam.net
a4-64.akam.net
a2-64.akam.net
a13-66.akam.net
a11-64.akam.net
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
No TXT records found.
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 drk-nh.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits