rtr-partner.de

Valid Email Server
Domain Lookup › rtr-partner.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rtr-partner.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 06:17:06 UTC · ↺ Refresh

MX Hostnames

  • mail.zimbramail.de

MX Priorities

  • mail.zimbramail.de: 0

A / AAAA Records

  • 195.30.107.21 (no PTR)
  • 2001:608:e00:72::21:0 (no PTR)

Mail Server IPs

  • 195.30.107.41 ↩ mail.zimbramail.de
  • 2001:608:e00:72::1:41:0 ↩ mail.zimbramail.de

SOA Record

Raw SOA ns5.ns35.de support.serverprofis.de 2024082000 3600 1800 1209600 86400
Primary NS (mname)
ns5.ns35.de
Admin Email (rname)
support@serverprofis.de
Serial
2024082000
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns5.ns35.de
ns8.ns35.de
ns7.ns35.de
ns6.ns35.de

SPF Record

✓ Strict (-all)
v=spf1 mx a:195.30.107.41 ip6:2001:608:e00:72:0:1:41:0 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

1 record
  • SPFv=spf1 mx a:195.30.107.41 ip6:2001:608:e00:72:0:1:41:0 -all
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