Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
strenger.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 16:54:25 UTC · ↺ Refresh
MX Hostnames
- mx03.hornetsecurity.com
- mx02.hornetsecurity.com
- mx01.hornetsecurity.com
- mx04.hornetsecurity.com
MX Priorities
- mx01.hornetsecurity.com: 10
- mx02.hornetsecurity.com: 10
- mx03.hornetsecurity.com: 100
- mx04.hornetsecurity.com: 100
A / AAAA Records
- 76.76.21.21 (no PTR)
Mail Server IPs
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
SOA Record
Raw SOA
shades09.rzone.de hostmaster.strato-rz.de 2020051645 86400 7200 604800 300
Primary NS (mname)
shades09.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020051645
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades09.rzone.de
docks08.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com include:spf.mailjet.com include:_spf.salesforce.com ip4:193.158.114.78/29 ip4:5.158.161.234/29 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; adkim=r; aspf=r; pct=100; rua=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- 012ZL326AJwPbZykSY4wEe69TKjuLpZITFxUw8qqn4nU42dxEvGnhb7uMIOv2F6JDpYIHkl+vOMMKIcGyCmG0Q==
- facebook-domain-verification=k99tc7s9wkt7v2nr7zksjdtcnzlcoo
- google-site-verification=FD4LngBD7KjmwecvAJkUr1SSme4nkpOyedhxXd-FXHE
- apple-domain-verification=yuFoH3f1GHgBBdY5
- MS=ms55447800
- SPFv=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com include:spf.mailjet.com include:_spf.salesforce.com ip4:193.158.114.78/29 ip4:5.158.161.234/29 -all
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