rethem.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rethem.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-03 10:52:19 UTC · ↺ Refresh

MX Hostnames

  • mta2in.kdo.de
  • mta1in.kdo.de

MX Priorities

  • mta1in.kdo.de: 10
  • mta2in.kdo.de: 10

A / AAAA Records

  • 85.114.145.166 ↩ nolis11.nol-is.de
  • 2001:4ba0:92e0:5166::1 ↩ nolis11.nol-is.de

Mail Server IPs

  • 194.76.65.144 ↩ mta1in.kdo.de
  • 194.76.65.145 ↩ mta2in.kdo.de

SOA Record

Raw SOA ns.norplex-communications.com technik.norplex.net 2025102701 14400 3600 2419200 3600
Primary NS (mname)
ns.norplex-communications.com
Admin Email (rname)
technik@norplex.net
Serial
2025102701
Refresh
14400s
Retry
3600s
Expire
2419200s
Minimum TTL
3600s

Nameservers (NS)

ns.norplex-communications.net
ns.norplex-communications.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.kdo.de include:_spf.nol-is.de ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; adkim=r; aspf=r; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 1 found
dkim._domainkey
✓ DKIM properly configured for selector: dkim

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

All TXT Records

1 record
  • SPFv=spf1 include:_spf.kdo.de include:_spf.nol-is.de ~all
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