k3works.de

Valid Email Server
Domain Lookup › k3works.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
k3works.de
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 02:38:18 UTC · ↺ Refresh

MX Hostnames

  • eu-smtp-inbound-1.mimecast.com

MX Priorities

  • eu-smtp-inbound-1.mimecast.com: 10

A / AAAA Records

  • 92.205.194.247 ↩ sh22787.ispgateway.de

Mail Server IPs

  • 91.220.42.211 ↩ eu-smtp-inbound-2.mimecast.com
  • 195.130.217.211 ↩ eu-smtp-inbound-1.mimecast.com
  • 195.130.217.241 ↩ eu-smtp-inbound-1.mimecast.com
  • 91.220.42.201 ↩ eu-smtp-inbound-1.mimecast.com
  • 195.130.217.201 ↩ eu-smtp-inbound-2.mimecast.com
  • 91.220.42.241 ↩ eu-smtp-inbound-2.mimecast.com

SOA Record

Raw SOA dns01-tld.t-online.de dns.telekom.de 2023120902 21600 3600 604800 86400
Primary NS (mname)
dns01-tld.t-online.de
Admin Email (rname)
dns@telekom.de
Serial
2023120902
Refresh
21600s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

dns02-tld.t-online.de
dns01-tld.t-online.de

SPF Record

✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim

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

All TXT Records

6 records
  • MUzg3s7rgEHztuNLUspSUa/+2Z2eutmC1bTie7zAIXw5Scieq10APajS6arZOTlqy8V2ZLulp397PcuX9ufx/Q==
  • 0ed1fe018a73c4020c0f5f4ac598a3b7512568517c
  • _globalsign-domain-verification=uGUOfbh4emZaMrYb4Sy7k0IiBy1YK9SIcTBzYajIwV
  • SPFv=spf1 mx -all
  • MS=ms81470538
  • MS=ms69208068
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