Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mtr-medizintechnik.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 14:15:26 UTC · ↺ Refresh
MX Hostnames
- mx1.rb-com.de
- viruswall.rb-com.de
- mx2.rb-com.de
MX Priorities
- mx1.rb-com.de: 30
- mx2.rb-com.de: 20
- viruswall.rb-com.de: 10
A / AAAA Records
- 49.12.41.40 ↩ cloud-4-fsn.securewebserver.de
Mail Server IPs
- 195.243.160.15 ↩ mx1.rb-com.de
- 2003:43:4015::15 ↩ mx1.rb-com.de
- 195.243.160.17 ↩ mx2.rb-com.de
- 2003:43:4015::17 ↩ mx2.rb-com.de
- 195.243.160.14 ↩ viruswall.rb-com.de
- 2003:43:4015::14 ↩ viruswall.rb-com.de
SOA Record
Raw SOA
ns1.securenameserver.de fenrich.designpark.de 2025112504 14400 3600 604800 900
Primary NS (mname)
ns1.securenameserver.de
Admin Email (rname)
fenrich@designpark.de
Serial
2025112504
Refresh
14400s
Retry
3600s
Expire
604800s
Minimum TTL
900s
Nameservers (NS)
ns2.securenameserver.de
ns3.securenameserver.de
ns1.securenameserver.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:195.243.160.0/24 ~all
📊 DNS lookups: 2/10
~ 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 mx ip4:195.243.160.0/24 ~all
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