know.de

Valid Email Server
Domain Lookup › know.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
know.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-31 13:21:53 UTC · ↺ Refresh

MX Hostnames

  • mail.know.de
  • know-de.mail.protection.outlook.com
  • mx2.intersolute.de

MX Priorities

  • mail.know.de: 10
  • know-de.mail.protection.outlook.com: 0
  • mx2.intersolute.de: 20

A / AAAA Records

  • 185.60.251.251

Mail Server IPs

  • 91.215.74.9 ↩ server26.noc-it.de
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
  • 51.195.47.101 ↩ mx02.intersolute.de

SOA Record

Raw SOA ns01.intersolute.de ticket.intersolute.de 2026032601 86400 10800 3600000 86400
Primary NS (mname)
ns01.intersolute.de
Admin Email (rname)
ticket@intersolute.de
Serial
2026032601
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

ns04.intersolute.eu
ns02.intersolute.de
ns03.intersolute.eu
ns01.intersolute.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

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

2 records
  • MS=ms50344958
  • SPFv=spf1 include:spf.protection.outlook.com -all
Full email verification for know.de

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits