standard-knapp.com

Valid Email Server
Domain Lookup › standard-knapp.com

Domain Overview

DNS: ✓ 9h ago Checker: ✓ 9h ago
standard-knapp.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-20 20:43:23 UTC · ↺ Refresh

MX Hostnames

  • standardknapp-com02b.mail.protection.outlook.com
  • standard-knapp-com.mail.protection.outlook.com

MX Priorities

  • standard-knapp-com.mail.protection.outlook.com: 0
  • standardknapp-com02b.mail.protection.outlook.com: 100

A / AAAA Records

  • 104.219.72.53 ↩ cyan-goldfish.chi-1.vm.plesk-server.com

Mail Server IPs

  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
  • 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com

SOA Record

Raw SOA dns.cyber-stack.de hostmaster.cyberstack.de 2025101301 10800 1800 2592000 3600
Primary NS (mname)
dns.cyber-stack.de
Admin Email (rname)
hostmaster@cyberstack.de
Serial
2025101301
Refresh
10800s
Retry
1800s
Expire
2592000s
Minimum TTL
3600s

Nameservers (NS)

dns.cyber-stack.com
dns.cyber-stack.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.mailfusion.de include:spf.protection.outlook.com mx -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 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

2 records
  • MS=ms29470872
  • SPFv=spf1 include:spf.mailfusion.de include:spf.protection.outlook.com mx -all
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