Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
busch-brunner.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 11:11:10 UTC · ↺ Refresh
MX Hostnames
- buschbrunner-de01c.mail.protection.outlook.com
MX Priorities
- buschbrunner-de01c.mail.protection.outlook.com: 10
A / AAAA Records
- 104.40.142.247 (no PTR)
Mail Server IPs
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
SOA Record
Raw SOA
a.ns14.net nicmail.daw.de 2025110402 43200 7200 1209600 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
nicmail@daw.de
Serial
2025110402
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
a.ns14.net
c.ns14.net
b.ns14.net
d.ns14.net
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.retarus.com include:_spf.daw.de include:ispgateway.de include:spf.protection.outlook.com include:spf.eu.exclaimer.net include:spf.mailjet.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 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
6 records- SPFv=spf1 include:_spf.retarus.com include:_spf.daw.de include:ispgateway.de include:spf.protection.outlook.com include:spf.eu.exclaimer.net include:spf.mailjet.com -all
- MhL/JjN7hYiwUHIGd8jaQknbLh5SjcwQKwmrYE1VOhrbgGNcM4GeI1zj2tLvCl8Rk/BaQ/gI+hMWyZvI9kREmw==
- google-site-verification=GPq9GwXQXp2QU9y1k3Qg9PBybPua2rTLL12zHlJ-T1U
- atlassian-domain-verification=lknxwxKvoD4WeaqHxtu8QIet4h9Y6h2sdJgFLvhFcE6ojI3MFF7ubtMcorazbEg1
- adobe-idp-site-verification=57bf4f1d4346acf50bb91ccd9258d4f5b149aca8ab9438712a13ac478ebeb13b
- knowbe4-site-verification=116724fc23293e4e87fce838698b0d26
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