Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rbusenkell.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 12:12:05 UTC · ↺ Refresh
MX Hostnames
- rbusenkell-de.mail.protection.outlook.com
MX Priorities
- rbusenkell-de.mail.protection.outlook.com: 0
A / AAAA Records
- 89.110.140.33 ↩ vm-140-033.netclusive.cloud
Mail Server IPs
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
SOA Record
Raw SOA
pns01.dcsix.net hostmaster.dcsix.net 2025073011 14400 3600 604800 86400
Primary NS (mname)
pns01.dcsix.net
Admin Email (rname)
hostmaster@dcsix.net
Serial
2025073011
Refresh
14400s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
pns01.dcsix.net
pns02.dcsix.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; sp=quarantine; adkim=s; aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:spf.protection.outlook.com -all
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