lu-kruse.de

Valid Email Server
Domain Lookup › lu-kruse.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
lu-kruse.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 16:24:02 UTC · ↺ Refresh

MX Hostnames

  • mail-io.maxcluster.net

MX Priorities

  • mail-io.maxcluster.net: 10

A / AAAA Records

  • 185.88.215.100 ↩ srv-a-io.c-1374.maxcluster.net
  • 2a00:f48:1008::215:100:10 ↩ srv-a-io.c-1374.maxcluster.net

Mail Server IPs

  • 185.88.215.250 ↩ mail-io.maxcluster.net
  • 2a00:f48:1008::215:250:10 ↩ mail-io.maxcluster.net

SOA Record

Raw SOA nameserver-1-io.maxcluster.net info.maxcluster.net 2025100701 3600 1000 1209600 600
Primary NS (mname)
nameserver-1-io.maxcluster.net
Admin Email (rname)
info@maxcluster.net
Serial
2025100701
Refresh
3600s
Retry
1000s
Expire
1209600s
Minimum TTL
600s

Nameservers (NS)

nameserver-1-io.maxcluster.net
nameserver-2-io.maxcluster.net

SPF Record

✓ Soft Fail (~all)
v=spf1 ~all
📊 DNS lookups: 0/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 8 found
google._domainkey
selector2._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
sendgrid._domainkey
mxvault._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.

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

All TXT Records

1 record
  • SPFv=spf1 ~all
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