Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
heliosventilatoren.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 20:08:33 UTC · ↺ Refresh
MX Hostnames
- mx-b.secumail.de
- mx-a.secumail.de
MX Priorities
- mx-b.secumail.de: 10
- mx-a.secumail.de: 10
A / AAAA Records
- 168.119.151.86 ↩ mail2.mailgate1.de
Mail Server IPs
- 212.11.224.154 ↩ sc04.secumail.de
- 212.11.224.132 ↩ sc02.secumail.de
- 212.11.225.17 ↩ sc03.secumail.de
- 212.11.225.133 ↩ sc01.secumail.de
SOA Record
Raw SOA
ns1.first-ns.de dns.hetzner.com 2026033104 600 1800 604800 8640
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dns@hetzner.com
Serial
2026033104
Refresh
600s
Retry
1800s
Expire
604800s
Minimum TTL
8640s
Nameservers (NS)
robotns2.second-ns.de
robotns3.second-ns.com
ns1.first-ns.de
SPF Record
✓ Strict (-all)
v=spf1 mx include:inxserver.com ip6:2a01:4f8:251:180f:155e:a9f8:55ba:9b83 ip4:5.35.246.207 ip4:49.12.65.231 ip4:195.201.106.143 ip4:168.119.151.86 ip4:168.119.151.85 ip4:168.119.151.117 ip4:49.12.105.188 ip4:94.130.59.26 ip4:185.75.164.208/28 include:spf.secumail.de -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; adkim=r; aspf=s;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- SPFv=spf1 mx include:inxserver.com ip6:2a01:4f8:251:180f:155e:a9f8:55ba:9b83 ip4:5.35.246.207 ip4:49.12.65.231 ip4:195.201.106.143 ip4:168.119.151.86 ip4:168.119.151.85 ip4:168.119.151.117 ip4:49.12.105.188 ip4:94.130.59.26 ip4:185.75.164.208/28 include:spf.secumail.de -all
- apple-domain-verification=0hlzH2pOk5nTKnYt
- google-site-verification=CbOM-MmaOGNJHdx1WbCQrDGQMR-LQa0kqy8iXrnVXBk
- seobility=8d3cf83b35d64a09ca162b4b03331098
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