Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ertz.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 02:36:54 UTC · ↺ Refresh
MX Hostnames
- vpngw.ertz.de
MX Priorities
- vpngw.ertz.de: 10
A / AAAA Records
- 162.19.196.95 ↩ web03.hsb.net
- 2001:41d0:700:1809::eb03 ↩ web03.hsb.net
Mail Server IPs
- 24.134.47.81 ↩ business-24-134-47-81.pool2.vodafone-ip.de
SOA Record
Raw SOA
ns.hsb.net dns.hsb.net 2025080601 7200 900 1209600 600
Primary NS (mname)
ns.hsb.net
Admin Email (rname)
dns@hsb.net
Serial
2025080601
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
ns.hsb.net
ns2.hsb.net
SPF Record
✓ Soft Fail (~all)
v=spf1 a:mx01-smtp26-out.hsb.net ip4:24.134.47.81 ip4:195.145.127.26 ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
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- SPFv=spf1 a:mx01-smtp26-out.hsb.net ip4:24.134.47.81 ip4:195.145.127.26 ~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 ertz.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits