kosytec.de

Valid Email Server
Domain Lookup › kosytec.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
kosytec.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 04:52:10 UTC · ↺ Refresh

MX Hostnames

  • mx.mymailwall.com

MX Priorities

  • mx.mymailwall.com: 10

A / AAAA Records

  • 81.169.145.86 ↩ w86.rzone.de
  • 2a01:238:20a:202:1086:: ↩ w86.rzone.de

Mail Server IPs

  • 91.212.136.1 ↩ mx.mymailwall.com

SOA Record

Raw SOA shades15.rzone.de hostmaster.strato-rz.de 2020051602 86400 7200 604800 300
Primary NS (mname)
shades15.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020051602
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

docks08.rzone.de
shades15.rzone.de

SPF Record

✓ Strict (-all)
v=spf1 mx a:mail.provantis.de a:mail.kosytec.de include:spf.mxg.cloud include:spf.protection.outlook.com include:_spf.strato.com include:_spf-e.cegedim.fr include:_spf-i.cegedim.fr include:mymailwall.com -all
📊 DNS lookups: 9/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;
✓ Reject — strongest protection
📋 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

5 records
  • DMARCv=DMARC1; p=none
  • REDDOXX=4c768e5848c4f9c5608023b7f81688f5d79f2239
  • apple-domain-verification=nOirGP8mm4VUyAfQ
  • SPFv=spf1 mx a:mail.provantis.de a:mail.kosytec.de include:spf.mxg.cloud include:spf.protection.outlook.com include:_spf.strato.com include:_spf-e.cegedim.fr include:_spf-i.cegedim.fr include:mymailwall.com -all
  • spcheck=577720ac1cf683b070ab3965e898826752eaf737f0ef94e8661c9a7df92b2cb9
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