knappworst.de

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-24 01:11:43 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 78.47.15.109 ↩ www300.your-server.de

Mail Server IPs

  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com

SOA Record

Raw SOA ns1046.ui-dns.com hostmaster.kundenserver.de 2016040731 28800 7200 604800 300
Primary NS (mname)
ns1046.ui-dns.com
Admin Email (rname)
hostmaster@kundenserver.de
Serial
2016040731
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1046.ui-dns.biz
ns1046.ui-dns.org
ns1046.ui-dns.com
ns1046.ui-dns.de

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:80.153.189.217 include:_spf-eu.ionos.com include:_spf.kundenserver.de include:spf.protection.outlook.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

6 records
  • MS=ms98005790
  • SPFv=spf1 ip4:80.153.189.217 include:_spf-eu.ionos.com include:_spf.kundenserver.de include:spf.protection.outlook.com ~all
  • 8254e51fb6a513738441e6b83212b9b88ab782f4d4dea1bd4f81a2a1f91e07eb
  • MS=ms50852941
  • 307957fc11c23139d40a88727a33cba76ec271dab47a44517e6a57d579f9f2b3
  • bdca61cadc2c6a903e5f6b76e7100550a05b274135108daff82b6878e245ac35
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