Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
duw.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 11:57:14 UTC · ↺ Refresh
MX Hostnames
- duw-de.mail.protection.outlook.com
MX Priorities
- duw-de.mail.protection.outlook.com: 10
A / AAAA Records
- 5.9.139.20 ↩ duw02.werftserver.de
Mail Server IPs
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.hostingwerft.de piontek.duw-shop.de 2026012601 39940 14400 604800 3600
Primary NS (mname)
ns1.hostingwerft.de
Admin Email (rname)
piontek@duw-shop.de
Serial
2026012601
Refresh
39940s
Retry
14400s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns3.hostingwerft.de
ns2.hostingwerft.de
ns4.hostingwerft.de
ns1.hostingwerft.de
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
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
2 records- MS=ms73537585
- _CONFLICTv=spf1 include:spf.protection.outlook.com -all
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