renovierung-koeln.de

Valid Email Server
Domain Lookup › renovierung-koeln.de

Domain Overview

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

Checked via [email protected] · 2026-03-20 02:49:40 UTC · ↺ Refresh

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MX Hostnames

  • mxbackup.routing.net
  • mx03.routing.net
  • mx02.routing.net
  • mx01.routing.net

MX Priorities

  • mx01.routing.net: 10
  • mx02.routing.net: 10
  • mx03.routing.net: 10
  • mxbackup.routing.net: 20

A / AAAA Records

  • 216.239.32.21

Mail Server IPs

  • 134.0.28.13 ↩ mx01.routing.net
  • 134.0.28.14 ↩ mx01.routing.net
  • 2a03:2900:1:a::13 ↩ mx01.routing.net
  • 2a03:2900:1:a::14 ↩ mx01.routing.net
  • 134.0.30.163 ↩ mx02.routing.net
  • 134.0.30.164 ↩ mx02.routing.net
  • 2a03:2900:1:a::15 (no PTR)
  • 2a03:2900:1:a::16 (no PTR)
  • 134.0.30.167 ↩ mx03.routing.net
  • 134.0.30.166 ↩ mx03.routing.net
  • 134.0.30.165
  • 2a03:2900:1:a::19
  • 2a03:2900:1:a::17
  • 2a03:2900:1:a::18
  • 194.126.196.21
  • 194.126.196.22
  • 2a03:2902:4:1::b
  • 2a03:2902:4:1::a

SOA Record

Raw SOA ns1.routing.net hostmaster.routing.net 2026021603 3600 3600 86400 300
Primary NS (mname)
ns1.routing.net
Admin Email (rname)
hostmaster@routing.net
Serial
2026021603
Refresh
3600s
Retry
3600s
Expire
86400s
Minimum TTL
300s

Nameservers (NS)

ns3.routing.net
ns2.routing.net
ns1.routing.net

SPF Record

✓ Strict (-all)
v=spf1 mx a include:spf.routing.net -all
📊 DNS lookups: 3/10
✓ 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

2 records
  • email-verification=+yqW/fPAl/G9qRd5DnDw+OC3aIn+q8MsCDfAajpmAG+T9cWE2zfLWE8GpF4wcXaF
  • SPFv=spf1 mx a include:spf.routing.net -all
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