Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
biehn-und-professionals.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 14:56:04 UTC · ↺ Refresh
MX Hostnames
- biehnundprofessionals-de01cc.mail.protection.outlook.com
MX Priorities
- biehnundprofessionals-de01cc.mail.protection.outlook.com: 0
A / AAAA Records
- 159.69.85.108 ↩ biehn-web.br22.de
- 2a01:4f8:1c1c:11d7::1 ↩ biehn-web.br22.de
Mail Server IPs
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.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:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.helinet.de info.biehn-und-professionals.de 2025051502 10800 3600 1209600 10800
Primary NS (mname)
dns1.helinet.de
Admin Email (rname)
info@biehn-und-professionals.de
Serial
2025051502
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
secondary.hamcom.de
dns1.helinet.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.smtp.net ip4:159.69.72.146 include:_spf-e.cegedim.fr include:_spf-i.cegedim.fr -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ 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 include:spf.smtp.net ip4:159.69.72.146 include:_spf-e.cegedim.fr include:_spf-i.cegedim.fr -all
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