preventivesupport.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
preventivesupport.com
Yes
✓ Yes
Zoho
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 09:36:58 UTC · ↺ Refresh

MX Hostnames

  • mx.zoho.com

MX Priorities

  • mx.zoho.com: 0

A / AAAA Records

  • 104.21.54.16 (no PTR)
  • 172.67.222.55 (no PTR)
  • 2606:4700:3037::ac43:de37 (no PTR)
  • 2606:4700:3037::6815:3610 (no PTR)

Mail Server IPs

  • 136.143.183.44 ↩ mx.zoho.com
  • 136.143.191.44 ↩ mx2.zoho.com

SOA Record

Raw SOA curt.ns.cloudflare.com dns.cloudflare.com 2397459299 10000 2400 604800 1800
Primary NS (mname)
curt.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397459299
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

sharon.ns.cloudflare.com
curt.ns.cloudflare.com

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
zoho._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: zoho

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

1 record
  • google-site-verification=Vch5v-Phm630gmkSt7efLEPNn68MX0WZgBfcRk-cin0
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