cr-koeln.de

Valid Email Server
Domain Lookup › cr-koeln.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cr-koeln.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-26 22:53:53 UTC · ↺ Refresh

MX Hostnames

  • mx07.mxgate.org
  • mx08.mxgate.org

MX Priorities

  • mx08.mxgate.org: 10
  • mx07.mxgate.org: 10

A / AAAA Records

  • 188.68.45.239 ↩ dd001.netzlodern.net
  • 2a03:4000:20:15e:4886:78ff:fec4:bc6f ↩ dd001.netzlodern.net

Mail Server IPs

  • 91.232.22.10 ↩ mx08.mxgate.org
  • 185.226.241.101 ↩ mx07.mxgate.org

SOA Record

Raw SOA ns1.q-ns.de hostmaster.q-mex.net 2018072715 14400 1800 604800 86400
Primary NS (mname)
ns1.q-ns.de
Admin Email (rname)
hostmaster@q-mex.net
Serial
2018072715
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns2.q-ns.de
ns3.q-ns.de
ns1.q-ns.de

SPF Record

✓ Strict (-all)
v=spf1 a mx include:spf.dtps.de include:spf.mxgate.org -all
📊 DNS lookups: 4/10
✓ 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

1 record
  • SPFv=spf1 a mx include:spf.dtps.de include:spf.mxgate.org -all
Full email verification for cr-koeln.de

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits