Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
heidinger.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 08:51:36 UTC · ↺ Refresh
MX Hostnames
- heidinger-de.mail.protection.outlook.com
MX Priorities
- heidinger-de.mail.protection.outlook.com: 0
A / AAAA Records
- 158.220.103.176 ↩ plesk.bahrtec.com
- 2a02:c206:3015:8742::1 ↩ plesk.bahrtec.com
Mail Server IPs
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.domainers.de hostmaster.domainbestellsystem.com 2025073004 28800 7200 604800 3600
Primary NS (mname)
ns1.domainers.de
Admin Email (rname)
hostmaster@domainbestellsystem.com
Serial
2025073004
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns3.domainers.de
ns2.domainers.de
ns4.domainers.de
ns1.domainers.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.bahrtec.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
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.bahrtec.com -all
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