Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dbi-gruppe.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 05:35:35 UTC · ↺ Refresh
MX Hostnames
- dbigruppe-de0i.mail.protection.outlook.com
MX Priorities
- dbigruppe-de0i.mail.protection.outlook.com: 0
A / AAAA Records
- 148.251.161.158 ↩ mx01.fuerstnet.de
- 2a01:4f8:210:5295::4 ↩ mx01.fuerstnet.de
Mail Server IPs
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.first-ns.de dns.hetzner.com 2026022405 14400 1800 604800 86400
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dns@hetzner.com
Serial
2026022405
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
robotns2.second-ns.de
robotns3.second-ns.com
ns1.first-ns.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:193.159.182.78 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
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
6 records- SPFv=spf1 ip4:193.159.182.78 include:spf.protection.outlook.com -all
- MS=ms71945973
- asv=9a209e404153a976debb795eacff90fb
- frfKSVl4TzmpCVDLdjwACeM7FoshaFTR+e2XpBA9n24KK9NgG43GIOuOEFJbqI0uBoHHf4xLgCFvO6zagy1gJg==
- openai-domain-verification=dv-l4LdrbzVVeS8ewaBPb1R66cU
- teamviewer-sso-verification=12587b3a59484dba96b8d32b51983af1
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