Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cardplus.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 14:14:52 UTC · ↺ Refresh
MX Hostnames
- cardplus-de.mail.protection.outlook.com
MX Priorities
- cardplus-de.mail.protection.outlook.com: 10
A / AAAA Records
- 92.205.13.101 ↩ 101.13.205.92.host.secureserver.net
Mail Server IPs
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
ns3.etn.systems uludwig.cardplus.de 2025062601 10800 3600 1209600 10800
Primary NS (mname)
ns3.etn.systems
Admin Email (rname)
uludwig@cardplus.de
Serial
2025062601
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
ns2.etn.systems
ns3.etn.systems
ns1.etn.systems
SPF Record
✓ Strict (-all)
v=spf1 a include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict 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
1 record- SPFv=spf1 a include:spf.protection.outlook.com -all
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