Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
duhepo.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 06:11:46 UTC · ↺ Refresh
MX Hostnames
- line1b.virus-defence.de
- line1a.virus-defence.de
MX Priorities
- line1b.virus-defence.de: 30
- line1a.virus-defence.de: 10
A / AAAA Records
- 217.160.0.228 ↩ 217-160-0-228.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::22b ↩ 2001-08d8-100f-f000-0000-0000-0000-022b.elastic-ssl.ui-r.com
Mail Server IPs
- 87.190.16.131 ↩ line1b.virus-defence.de
- 80.82.218.16 ↩ line1a.virus-defence.de
SOA Record
Raw SOA
ns1107.ui-dns.org hostmaster.1und1.com 2017060116 28800 7200 604800 600
Primary NS (mname)
ns1107.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060116
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1115.ui-dns.com
ns1107.ui-dns.org
ns1116.ui-dns.biz
ns1125.ui-dns.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spfext.espectrum-hosting.de -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:spfext.espectrum-hosting.de -all
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