kuenker.de

Valid Email Server
Domain Lookup › kuenker.de

Domain Overview

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

Checked via [email protected] · 2026-03-22 21:27:29 UTC · ↺ Refresh

MX Hostnames

  • mx-02-eu-central-1.prod.hydra.sophos.com
  • mx-01-eu-central-1.prod.hydra.sophos.com

MX Priorities

  • mx-01-eu-central-1.prod.hydra.sophos.com: 10
  • mx-02-eu-central-1.prod.hydra.sophos.com: 20

A / AAAA Records

  • 194.6.208.221 ↩ app-a-cc.c-1527.maxcluster.net

Mail Server IPs

  • 52.57.79.230 ↩ ec2-52-57-79-230.eu-central-1.compute.amazonaws.com
  • 18.159.237.67 ↩ ec2-18-159-237-67.eu-central-1.compute.amazonaws.com

SOA Record

Raw SOA ns81.domaincontrol.com dns.jomax.net 2026020100 28800 7200 604800 600
Primary NS (mname)
ns81.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026020100
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns81.domaincontrol.com
ns82.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:194.6.208.221 ip4:194.6.208.225 ip6:2a00:f48:1008:0:0:208:221:10 ip4:95.143.172.138 ip4:62.216.183.51 include:spf.protection.outlook.com include:spf.crsend.com include:_spf_eucentral1.prod.hydra.sophos.com ip4:80.147.41.173 ip4:80.67.18.126 ip4:80.147.41.175 -all
📊 DNS lookups: 5/10
✓ 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

6 records
  • MS=ms45345765
  • MS=ms62841735TTL
  • sophos-domain-verification=0992a2cd7e08180c7e96741fb60588d868d9c29f
  • google-site-verification=d0LJaxHwK_5dFTu8jdNax8hW1qtVbja1Iketw0AtD3k
  • 9frh5hxbjffscy21j2j6sd2cgqxzvlnx
  • SPFv=spf1 a mx ip4:194.6.208.221 ip4:194.6.208.225 ip6:2a00:f48:1008:0:0:208:221:10 ip4:95.143.172.138 ip4:62.216.183.51 include:spf.protection.outlook.com include:spf.crsend.com include:_spf_eucentral1.prod.hydra.sophos.com ip4:80.147.41.173 ip4:80.67.18.126 ip4:80.147.41.175 -all
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