Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
horstgroup.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 00:50:20 UTC · ↺ Refresh
MX Hostnames
- d134891a.ess.barracudanetworks.com
- d134891b.ess.barracudanetworks.com
MX Priorities
No priority data.
A / AAAA Records
- 199.223.114.56
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ns0.dnsmadeeasy.com
ns2.dnsmadeeasy.com
ns4.dnsmadeeasy.com
ns3.dnsmadeeasy.com
ns1.dnsmadeeasy.com
SPF Record
✓ Strict (-all)
v=spf1 +ip4:168.245.60.138 +ip4:149.72.117.57 +ip4:149.72.220.5 +ip4:167.89.111.115 +ip4:168.245.120.100 +include:spf.ess.barracudanetworks.com +include:spf.protection.outlook.com +include:spf-us.emailsignatures365.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
1 record- SPFv=spf1 +ip4:168.245.60.138 +ip4:149.72.117.57 +ip4:149.72.220.5 +ip4:167.89.111.115 +ip4:168.245.120.100 +include:spf.ess.barracudanetworks.com +include:spf.protection.outlook.com +include:spf-us.emailsignatures365.com -all
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