knowhow.de

Valid Email Server
Domain Lookup › knowhow.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
knowhow.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 09:52:00 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • knowhow-de.mail.protection.outlook.com: 50

A / AAAA Records

  • 185.76.237.178 (no PTR)
  • 2a00:1c98:60:1391::f990:ce75 (no PTR)

Mail Server IPs

  • 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com

SOA Record

Raw SOA ns27.domaincontrol.com dns.jomax.net 2026032400 28800 7200 604800 600
Primary NS (mname)
ns27.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026032400
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns28.domaincontrol.com
ns27.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:94.186.179.131 ip4:94.186.179.211 ip4:193.46.215.84 include:spf.protection.outlook.com include:_spf.salesforce.com include:_spf.senders.scnem.com include:spf.emailsignatures365.com include:marketing.dynamics.com include:_spf-e.cegedim.fr include:_spf-i.cegedim.fr ip4:178.77.111.91 ip6:2a01:488:42:1000:b24d:6f5b:: -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

13 records
  • 6g62811ij4rg08eli4u5i06ord
  • SPFv=spf1 ip4:94.186.179.131 ip4:94.186.179.211 ip4:193.46.215.84 include:spf.protection.outlook.com include:_spf.salesforce.com include:_spf.senders.scnem.com include:spf.emailsignatures365.com include:marketing.dynamics.com include:_spf-e.cegedim.fr include:_spf-i.cegedim.fr ip4:178.77.111.91 ip6:2a01:488:42:1000:b24d:6f5b:: -all
  • hb1l226em0f4m98kklnearu62d
  • google-site-verification=TKhqwnm_KMX9O9rQnfnVt6D6oGyeEMXueMphGxb2jaY
  • atlassian-domain-verification=m0rchhtjIugRExCnyKbzo4B7GnriBtBuojvWnemC7jFUacdyg7UbroGwABbXfSZl
  • have-i-been-pwned-verification=33141f2f27c72badc4fae9ca06c87005
  • vo7o6b5bb0k5n5k0i3nt7vjrf4
  • kdghelmou2i99crqtmhgldri30
  • f9a279rd667st2cofe1svaasn6
  • 5boqsaqo5mfq70qa5p5jifvev3
  • d365mktkey=pJojTfMa3EE1xruEYYvTb5TGxx6f6QNBStYxKA6i4Nsx
  • m0d1sc4nu6gqjreltl5gjgbuii
  • 2jm50o99fqcnedc85863v5pfc7
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