knowis.de

Valid Email Server
Domain Lookup › knowis.de

Domain Overview

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

Checked via [email protected] · 2026-04-02 10:52:51 UTC · ↺ Refresh

MX Hostnames

  • knowis-de.mail.protection.outlook.com

MX Priorities

  • knowis-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 199.60.103.167 (no PTR)
  • 199.60.103.67 (no PTR)

Mail Server IPs

  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com

SOA Record

Raw SOA ns-1656.awsdns-15.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1656.awsdns-15.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1656.awsdns-15.co.uk
ns-371.awsdns-46.com
ns-907.awsdns-49.net
ns-1441.awsdns-52.org

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.exclaimer.net include:mail.zendesk.com include:3312966.spf08.hubspotemail.net -all
📊 DNS lookups: 4/10
✓ 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

5 records
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.exclaimer.net include:mail.zendesk.com include:3312966.spf08.hubspotemail.net -all
  • MS=ms93870167
  • atlassian-domain-verification=tjjOZWHJQMckcOOci1tAJLKAXt4cjNOPaz1NkAj1WBfNtlObVG13Qt8FhNXWCCkx
  • miro-verification=bec5a30401f25295024511be993f15c756167c36
  • sophos-domain-verification=7d21bceb2e6796e8c0b2a51ff79cf94e38ccde386554a54e3b262b17deae2eed
Full email verification for knowis.de

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