Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cts-companion.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 15:49:38 UTC · ↺ Refresh
MX Hostnames
- ctscompanion-de0i.mail.protection.outlook.com
MX Priorities
- ctscompanion-de0i.mail.protection.outlook.com: 0
A / AAAA Records
- 134.119.0.206 ↩ srv01.webandmore.de
- 2a00:1158:5:ce:: ↩ srv01.webandmore.de
Mail Server IPs
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1104.ui-dns.com hostmaster.kundenserver.de 2016112411 28800 7200 604800 300
Primary NS (mname)
ns1104.ui-dns.com
Admin Email (rname)
hostmaster@kundenserver.de
Serial
2016112411
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1104.ui-dns.de
ns1104.ui-dns.org
ns1104.ui-dns.biz
ns1104.ui-dns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf-eu.ionos.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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 include:_spf-eu.ionos.com include:spf.protection.outlook.com ~all
- v=verifydomain MS=7864678
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