convincing-systems.de

Valid Email Server
Domain Lookup › convincing-systems.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
convincing-systems.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 10:08:35 UTC · ↺ Refresh

MX Hostnames

  • convincingsystems-de02e.mail.protection.outlook.com

MX Priorities

  • convincingsystems-de02e.mail.protection.outlook.com: 0

A / AAAA Records

  • 217.160.0.105 ↩ 217-160-0-105.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::2ac ↩ 2001-08d8-100f-f000-0000-0000-0000-02ac.elastic-ssl.ui-r.com

Mail Server IPs

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

SOA Record

Raw SOA ns1113.ui-dns.biz hostmaster.schlund.de 2017030651 28800 7200 604800 300
Primary NS (mname)
ns1113.ui-dns.biz
Admin Email (rname)
hostmaster@schlund.de
Serial
2017030651
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1113.ui-dns.de
ns1113.ui-dns.biz
ns1113.ui-dns.com
ns1113.ui-dns.org

SPF Record

✓ Strict (-all)
v=spf1 mx a:spf.protection.outlook.com a:smtp.1und1.de a:mrelayeu.kundenserver.de a:mout.kundenserver.de a:mout.perfora.net include:spf.protection.outlook.com -all
📊 DNS lookups: 7/10
✓ 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

11 records
  • MS=ms22663565
  • f364dpdgz7c4wcyzl3270zs4rblflyyz
  • 7cp6m34pc22qlz066c3w828qbh0973d7
  • gbr3tfhc4tll5mcgcv1s38lwbjqcgy7s
  • f46n6sq4nz8yq02wnq92ds0ldrgq4p2l
  • SPFv=spf1 mx a:spf.protection.outlook.com a:smtp.1und1.de a:mrelayeu.kundenserver.de a:mout.kundenserver.de a:mout.perfora.net include:spf.protection.outlook.com -all
  • _8xyyorp078sd5ug7vixt5nhwm2ftmx7
  • t723n986m39fm9g543vd3g0jv9n1h1lj
  • 2022011022411620qknshm6xa9iunfm91h0d920koqb5o0ialeq2atyjoytkcijv
  • _i9v7viz72k8u7q8i3rj4gkmtxjo3mll
  • _z9gcqwel6m95ek1fncshdq7qzotyqhr
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