Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
redbullstudioberlin.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-17 21:41:14 UTC · ↺ Refresh
MX Hostnames
- redbullstudioberlin-com.mail.protection.outlook.com
MX Priorities
- redbullstudioberlin-com.mail.protection.outlook.com: 0
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
SOA Record
Raw SOA
pdns91.ultradns.com domains.redbull.com 2024040813 86400 86400 86400 86400
Primary NS (mname)
pdns91.ultradns.com
Admin Email (rname)
domains@redbull.com
Serial
2024040813
Refresh
86400s
Retry
86400s
Expire
86400s
Minimum TTL
86400s
Nameservers (NS)
pdns91.ultradns.net
pdns91.ultradns.org
ns15.ultradns2.com
ns15.ultradns2.org
pdns91.ultradns.biz
pdns91.ultradns.com
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];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
3 records- apple-domain-verification=DEUUtZpVQIx4bTsR
- jamf-site-verification=R7zmzRtD8e2JFVrslwGy6w
- SPFv=spf1 include:spf.protection.outlook.com -all
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