Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rgzm.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-04 17:49:37 UTC · ↺ Refresh
MX Hostnames
- mailgate-2.zdv.net
- mailgate-1.zdv.net
- mailgate-4.zdv.net
- mailgate-3.zdv.net
MX Priorities
- mailgate-1.zdv.net: 10
- mailgate-3.zdv.net: 10
- mailgate-2.zdv.net: 10
- mailgate-4.zdv.net: 10
A / AAAA Records
- 134.93.175.216 ↩ rgzm-1.zdv.Uni-Mainz.DE
Mail Server IPs
- 134.93.178.241 ↩ mailgate-1.zdv.net
- 2001:4c80:40:62d::25:1 ↩ mailgate-1.zdv.net
- 134.93.178.243 ↩ mailgate-3.zdv.net
- 2001:4c80:40:62d::25:3 ↩ mailgate-3.zdv.net
- 134.93.178.242 ↩ mailgate-2.zdv.net
- 2001:4c80:40:62d::25:2 ↩ mailgate-2.zdv.net
SOA Record
Raw SOA
ns01.agenturserver.de support.mittwald.de 1765131206 28800 7200 604800 3600
Primary NS (mname)
ns01.agenturserver.de
Admin Email (rname)
support@mittwald.de
Serial
1765131206
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns01.agenturserver.it
ns01.agenturserver.de
ns01.agenturserver.co
SPF Record
✓ Strict (-all)
v=spf1 include:zdv.net a:emita.mittwald.de -all
📊 DNS lookups: 2/10
✓ 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
4 records- MS=64985D8C27648748B093214E8E4B86A27DCF4C9E
- SPFv=spf1 include:zdv.net a:emita.mittwald.de -all
- ZOOM_verify_A2SLxRDGp7oHpIswYpiOID
- adobe-idp-site-verification=66b64c8c355ed84f252403335929f0e4d76bed8487b22e079c4c4a5bd4df949f
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