ck7.de

Valid Email Server
Domain Lookup › ck7.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ck7.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-01 06:23:16 UTC · ↺ Refresh

MX Hostnames

  • ck7-de.mail.protection.outlook.com

MX Priorities

  • ck7-de.mail.protection.outlook.com: 10

A / AAAA Records

  • 185.237.66.12 ↩ shared-clump0009-web.agenturserver.it

Mail Server IPs

  • 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
  • 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com

SOA Record

Raw SOA ns1038.ui-dns.biz hostmaster.1und1.com 2017060123 28800 7200 604800 600
Primary NS (mname)
ns1038.ui-dns.biz
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060123
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1122.ui-dns.com
ns1103.ui-dns.org
ns1047.ui-dns.de
ns1038.ui-dns.biz

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:212.87.130.220 include:_spf.perfora.net include:_spf.kundenserver.de include:agenturserver.de include:_spf-eu.ionos.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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
  • SPFv=spf1 a mx ip4:212.87.130.220 include:_spf.perfora.net include:_spf.kundenserver.de include:agenturserver.de include:_spf-eu.ionos.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
  • MS=E115B141653B98D6152AF9CD4571DC9CF59E2E7E
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