ckhf.de

Valid Email Server
Domain Lookup › ckhf.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ckhf.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-23 06:57:33 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-02-eu-central-1.prod.hydra.sophos.com: 2
  • mx-01-eu-central-1.prod.hydra.sophos.com: 1

A / AAAA Records

  • 217.160.0.140 ↩ 217-160-0-140.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::2ef ↩ 2001-08d8-100f-f000-0000-0000-0000-02ef.elastic-ssl.ui-r.com

Mail Server IPs

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

SOA Record

Raw SOA ns1043.ui-dns.com hostmaster.kundenserver.de 2016062334 28800 7200 604800 300
Primary NS (mname)
ns1043.ui-dns.com
Admin Email (rname)
hostmaster@kundenserver.de
Serial
2016062334
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1043.ui-dns.de
ns1043.ui-dns.com
ns1043.ui-dns.org
ns1043.ui-dns.biz

SPF Record

✓ Strict (-all)
v=spf1 include:spf-de.emailsignatures365.com include:spf.protection.outlook.com include:_spf.prod.hydra.sophos.com include:spf.talention.com -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

3 records
  • SPFv=spf1 include:spf-de.emailsignatures365.com include:spf.protection.outlook.com include:_spf.prod.hydra.sophos.com include:spf.talention.com -all
  • apple-domain-verification=lvvDZIEpPGLyxCVc
  • sophos-domain-verification=50954a33a012ff3ef2aebc5ad9f68ecfd4887a3f
Full email verification for ckhf.de

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