Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
scan-up.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 22:40:49 UTC · ↺ Refresh
MX Hostnames
- mx03.hornetsecurity.com
- mx02.hornetsecurity.com
- mx04.hornetsecurity.com
- mx01.hornetsecurity.com
MX Priorities
- mx01.hornetsecurity.com: 10
- mx02.hornetsecurity.com: 20
- mx04.hornetsecurity.com: 40
- mx03.hornetsecurity.com: 30
A / AAAA Records
- 78.46.4.154 ↩ dedi1454.your-server.de
Mail Server IPs
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
- 94.100.134.8 ↩ mx03.hornetsecurity.com
SOA Record
Raw SOA
ns.checkdomain.de hostmaster.checkdomain.de 2025101603 40000 7200 604800 300
Primary NS (mname)
ns.checkdomain.de
Admin Email (rname)
hostmaster@checkdomain.de
Serial
2025101603
Refresh
40000s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns.checkdomain.de
ns2.checkdomain.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:144.76.44.234 ip4:93.92.128.21 ip4:93.92.128.177 ip4:78.46.4.154 ip4:92.103.206.0/24 include:spf.nl2go.com include:agenturserver.de include:spf.hornetsecurity.com include:spf.emailsignatures365.com include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 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
2 records- SPFv=spf1 ip4:144.76.44.234 ip4:93.92.128.21 ip4:93.92.128.177 ip4:78.46.4.154 ip4:92.103.206.0/24 include:spf.nl2go.com include:agenturserver.de include:spf.hornetsecurity.com include:spf.emailsignatures365.com include:spf.protection.outlook.com -all
- google-site-verification=-xF9f9Mh0h9ynUwHgdIZMicVkTpheyZmxr7arN4R3pA
Full email verification for scan-up.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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