immobilienmakler.koeln

Valid Email Server
Domain Lookup › immobilienmakler.koeln

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
immobilienmakler.koeln
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 04:04:24 UTC · ↺ Refresh

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MX Hostnames

  • 87.79.95.170
  • relay.rzone.de

MX Priorities

  • 87.79.95.170: 10
  • relay.rzone.de: 100

A / AAAA Records

  • 87.79.95.170 ↩ static-87-79-95-170.netcologne.de

Mail Server IPs

  • 87.79.95.170 ↩ static-87-79-95-170.netcologne.de
  • ::ffff:574f:5faa ↩ static-87-79-95-170.netcologne.de
  • 81.169.145.96 ↩ relay.rzone.de

SOA Record

Raw SOA shades18.rzone.de hostmaster.strato-rz.de 2020053257 86400 7200 604800 300
Primary NS (mname)
shades18.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020053257
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

docks15.rzone.de
shades18.rzone.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:5.252.225.112 ip4:212.227.126.187 ip4:87.79.95.170 ip4:85.214.216.165 ip4:89.1.8.141 ip6:2001:4DD0:3625::/48 include:_spf.strato.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected];adkim=r;aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default

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

All TXT Records

1 record
  • SPFv=spf1 ip4:5.252.225.112 ip4:212.227.126.187 ip4:87.79.95.170 ip4:85.214.216.165 ip4:89.1.8.141 ip6:2001:4DD0:3625::/48 include:_spf.strato.com -all
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