slk-gmbh.de

Valid Email Server
Domain Lookup › slk-gmbh.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
slk-gmbh.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-22 09:50:33 UTC · ↺ Refresh

MX Hostnames

  • mx1.slk-gmbh.de
  • mx2.slk-gmbh.de

MX Priorities

  • mx2.slk-gmbh.de: 20
  • mx1.slk-gmbh.de: 10

A / AAAA Records

  • 23.236.62.147 ↩ 147.62.236.23.bc.googleusercontent.com

Mail Server IPs

  • 217.91.176.77 ↩ mx2.slk-gmbh.de
  • 89.246.242.146 ↩ mx1.slk-gmbh.de

SOA Record

Raw SOA ns11.treuorga.net hostmaster.treuorga.net 2025040803 43200 7200 1209600 3600
Primary NS (mname)
ns11.treuorga.net
Admin Email (rname)
hostmaster@treuorga.net
Serial
2025040803
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns11.treuorga.net
ns12.treuorga.net

SPF Record

✓ Strict (-all)
v=spf1 mx a ip4:62.112.46.132 ip4:89.246.242.146 ip4:217.91.176.77 include:spf.nl2go.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 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

3 records
  • apple-domain-verification=WAw55Cyu6fwO4PRV
  • SPFv=spf1 mx a ip4:62.112.46.132 ip4:89.246.242.146 ip4:217.91.176.77 include:spf.nl2go.com include:spf.protection.outlook.com -all
  • google-site-verification=B8ZhCBNW9YSAWLmVRtcMYB6jmYnjELXAjp641sGQHqI
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