koendringen.de

Valid Email Server
Domain Lookup › koendringen.de

Domain Overview

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

Checked via [email protected] · 2026-03-26 03:16:13 UTC · ↺ Refresh

MX Hostnames

  • v39900.goserver.host

MX Priorities

  • v39900.goserver.host: 10

A / AAAA Records

  • 37.17.225.186 ↩ v39900.goserver.host

Mail Server IPs

  • 37.17.225.186 ↩ v39900.goserver.host

SOA Record

Raw SOA nsa3.schlundtech.de u.u7w.de 2025061006 43200 7200 1209600 86400
Primary NS (mname)
nsa3.schlundtech.de
Admin Email (rname)
u@u7w.de
Serial
2025061006
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

nsd3.schlundtech.de
nsa3.schlundtech.de
nsc3.schlundtech.de
nsb3.schlundtech.de

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx ip4:37.17.224.0/21 ip4:185.30.32.0/22 ip4:88.82.224.0/19 ip4:45.153.56.0/22 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No 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 ip4:37.17.224.0/21 ip4:185.30.32.0/22 ip4:88.82.224.0/19 ip4:45.153.56.0/22 ~all
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