Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
preventgroup.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 15:45:23 UTC · ↺ Refresh
MX Hostnames
- mx.preventgroup.com
- mail.preventgroup.com
- kb.preventgroup.com
MX Priorities
- mx.preventgroup.com: 20
- mail.preventgroup.com: 50
- kb.preventgroup.com: 10
A / AAAA Records
- 198.202.211.1 (no PTR)
Mail Server IPs
- 92.36.203.93 ↩ mx.preventgroup.com
- 92.36.203.82 ↩ mail.preventgroup.com
SOA Record
Raw SOA
hydrogen.ns.hetzner.com dns.hetzner.com 2026030400 86400 10800 3600000 3600
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
dns@hetzner.com
Serial
2026030400
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
hydrogen.ns.hetzner.com
oxygen.ns.hetzner.com
helium.ns.hetzner.de
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:92.36.203.64/27 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];aspf=s;sp=none;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- sophos-domain-verification=0aaf344522003606f99347a4cf618ed7fe3fbf49
- SPFv=spf1 mx ip4:92.36.203.64/27 -all
- MS=ms67526172
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