Domain Overview
DNS: ✓ 3d ago
Checker: ✓ 3d ago
vtw.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-17 23:57:49 UTC · ↺ Refresh
MX Hostnames
- mx04.hornetsecurity.com
- mx03.hornetsecurity.com
- mx02.hornetsecurity.com
- mx01.hornetsecurity.com
- w01f5862.kasserver.com
MX Priorities
- mx01.hornetsecurity.com: 10
- w01f5862.kasserver.com: 50
- mx03.hornetsecurity.com: 30
- mx02.hornetsecurity.com: 20
- mx04.hornetsecurity.com: 40
A / AAAA Records
- 85.13.131.239 ↩ dd54028.kasserver.com
Mail Server IPs
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 85.13.131.239 ↩ dd54028.kasserver.com
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
SOA Record
Raw SOA
ns5.kasserver.com hostmaster.kasserver.com 2605130035 28800 7200 1209600 7200
Primary NS (mname)
ns5.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2605130035
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s
Nameservers (NS)
ns6.kasserver.com
ns5.kasserver.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a include:spf.hornetsecurity.com include:spf.protection.outlook.com include:spf.mailvtw.de include:spf.createsend.com include:spf.mfa-erfurt.de ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; ri=1728000; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 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- sophos-domain-verification=92062a6782f1ee3133004d8fb1cd15b0cda0619965775b553087ad8164d5cce5
- MS=ms21271941
- SPFv=spf1 a include:spf.hornetsecurity.com include:spf.protection.outlook.com include:spf.mailvtw.de include:spf.createsend.com include:spf.mfa-erfurt.de ~all
- brevo-code:af8f253873f03dc23d0d23801db8ae5c
Full email verification for vtw.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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