Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jung-werkzeugbau.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 14:33:24 UTC · ↺ Refresh
MX Hostnames
- mx-57595663.mail.eu.retarus.com
MX Priorities
- mx-57595663.mail.eu.retarus.com: 10
A / AAAA Records
- 185.214.120.200 ↩ proxy.ronet.de
Mail Server IPs
- 94.199.92.130 ↩ mx-in01.eu.retarus.com
- 94.199.89.39 ↩ mx-in02.eu.retarus.com
SOA Record
Raw SOA
ns1.centaur-it.net do-not-reply.jung-werkzeugbau.de 2025033102 43200 7200 1209600 86400
Primary NS (mname)
ns1.centaur-it.net
Admin Email (rname)
do-not-reply@jung-werkzeugbau.de
Serial
2025033102
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns4.centaur-it.net
ns2.centaur-it.net
ns1.centaur-it.net
ns3.centaur-it.net
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.retarus.com include:spf.protection.outlook.com include:agenturserver.de -all
📊 DNS lookups: 3/10
✓ 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
2 records- SPFv=spf1 include:_spf.retarus.com include:spf.protection.outlook.com include:agenturserver.de -all
- MS=ms52848945
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