kstools.de

Valid Email Server
Domain Lookup › kstools.de

Domain Overview

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

Checked via [email protected] · 2026-03-27 14:41:12 UTC · ↺ Refresh

MX Hostnames

  • mx.kstools.com

MX Priorities

  • mx.kstools.com: 10

A / AAAA Records

  • 193.23.176.124 (no PTR)
  • 2a0c:82c1:1041:c0fe::2a8e (no PTR)

Mail Server IPs

  • 87.130.46.27 ↩ mail.kstools.com

SOA Record

Raw SOA ns1.smcc.de hostmaster.smcc.net 2026032601 10800 3600 604800 10400
Primary NS (mname)
ns1.smcc.de
Admin Email (rname)
hostmaster@smcc.net
Serial
2026032601
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10400s

Nameservers (NS)

ns1.smcc.de
ns2.smcc.de

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:193.23.176.0/22 ip4:5.10.164.76/32 ip4:194.50.33.0/24 ip4:130.117.188.0/25 ip4:212.83.36.172/32 ip4:168.245.70.7/32 include:sendgrid.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

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

All TXT Records

1 record
  • SPFv=spf1 a mx ip4:193.23.176.0/22 ip4:5.10.164.76/32 ip4:194.50.33.0/24 ip4:130.117.188.0/25 ip4:212.83.36.172/32 ip4:168.245.70.7/32 include:sendgrid.net -all
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