Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dhv-speyer.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 11:19:43 UTC · ↺ Refresh
MX Hostnames
- mailgate-3.zdv.net
- mailgate-2.zdv.net
- mailgate-1.zdv.net
- mailgate-4.zdv.net
MX Priorities
- mailgate-4.zdv.net: 10
- mailgate-3.zdv.net: 10
- mailgate-1.zdv.net: 10
- mailgate-2.zdv.net: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 134.93.178.243 ↩ mailgate-3.zdv.net
- 2001:4c80:40:62d::25:3 ↩ mailgate-3.zdv.net
- 134.93.178.241 ↩ mailgate-1.zdv.net
- 2001:4c80:40:62d::25:1 ↩ mailgate-1.zdv.net
- 134.93.178.242 ↩ mailgate-2.zdv.net
- 2001:4c80:40:62d::25:2 ↩ mailgate-2.zdv.net
SOA Record
Raw SOA
srvrei.dhv-speyer.de srvbrei.dhv-speyer.de 2026021202 28800 7200 604800 86400
Primary NS (mname)
srvrei.dhv-speyer.de
Admin Email (rname)
srvbrei@dhv-speyer.de
Serial
2026021202
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
srvbrei.dhv-speyer.de
xlink1.xlink.net
ns-auth.rptu.de
srvrei.dhv-speyer.de
SPF Record
✓ Strict (-all)
v=spf1 include:zdv.net -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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 include:zdv.net -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 dhv-speyer.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits