Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hartmann-online.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 17:49:33 UTC · ↺ Refresh
MX Hostnames
- mx1.hc852-1.eu.iphmx.com
- mx2.hc852-1.eu.iphmx.com
MX Priorities
- mx2.hc852-1.eu.iphmx.com: 20
- mx1.hc852-1.eu.iphmx.com: 10
A / AAAA Records
- 185.184.100.43 (no PTR)
Mail Server IPs
- 23.90.116.147 ↩ esa.hc852-1.eu.iphmx.com
- 23.90.111.180 ↩ esa.hc852-1.eu.iphmx.com
SOA Record
Raw SOA
dns1.hartmann.info dns-admins.hartmann.info 2012061548 10000 600 604800 180
Primary NS (mname)
dns1.hartmann.info
Admin Email (rname)
dns-admins@hartmann.info
Serial
2012061548
Refresh
10000s
Retry
600s
Expire
604800s
Minimum TTL
180s
Nameservers (NS)
pdns2.cscdns.net
pdns1.cscdns.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
1 record- MS=ms76561559
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 hartmann-online.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits