caysolutions.de

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-04-04 18:46:20 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 188.40.28.25 ↩ www245.your-server.de
  • 2a01:4f8:d0a:1216::2 ↩ www245.your-server.de

Mail Server IPs

  • 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
  • 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
  • 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
  • 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com

SOA Record

Raw SOA ns.gaertner.de hostmaster.gaertner.de 2026021001 86400 10800 604800 900
Primary NS (mname)
ns.gaertner.de
Admin Email (rname)
hostmaster@gaertner.de
Serial
2026021001
Refresh
86400s
Retry
10800s
Expire
604800s
Minimum TTL
900s

Nameservers (NS)

ns.gaertner.de
ns2.pop-hannover.net

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:spf.mailjet.com ip4:217.13.71.120/29 ip4:217.13.71.192/26 ip6:2a00:1030:1018::/48 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate 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
  • MS=ms37204507
  • google-site-verification=cfAjvVN3srwMOIBvFwNZpCBQFCpJjFXfTjnvDksItEo
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.mailjet.com ip4:217.13.71.120/29 ip4:217.13.71.192/26 ip6:2a00:1030:1018::/48 ~all
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