Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sddsg.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 20:40:46 UTC · ↺ Refresh
MX Hostnames
- mx03.hornetsecurity.com
- mx02.hornetsecurity.com
- mx01.hornetsecurity.com
- mx04.hornetsecurity.com
MX Priorities
- mx03.hornetsecurity.com: 30
- mx02.hornetsecurity.com: 20
- mx01.hornetsecurity.com: 10
- mx04.hornetsecurity.com: 40
A / AAAA Records
- 162.55.29.47 ↩ srv1.catch--it.de
- 2a01:4f8:2190:214f::2 ↩ srv1.catch--it.de
Mail Server IPs
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
SOA Record
Raw SOA
ns1.aditsystems.hosting support.aditsystems.de 2024020556 86400 3600 1209600 1800
Primary NS (mname)
ns1.aditsystems.hosting
Admin Email (rname)
support@aditsystems.de
Serial
2024020556
Refresh
86400s
Retry
3600s
Expire
1209600s
Minimum TTL
1800s
Nameservers (NS)
ns2.aditsystems.hosting
ns3.aditsystems.hosting
ns1.aditsystems.hosting
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.hornetsecurity.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=none; ruf=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → none
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
3 records- MS=ms55994267
- DMARCv=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected];
- SPFv=spf1 include:spf.hornetsecurity.com ~all
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