Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
premierfrost.com
Yes
✓ Yes
Zoho
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-18 13:38:22 UTC · ↺ Refresh
MX Hostnames
- mx2.zoho.com
- mx.zoho.com
- mx3.zoho.com
MX Priorities
- mx.zoho.com: 10
- mx2.zoho.com: 20
- mx3.zoho.com: 50
A / AAAA Records
- 64.99.64.37 ↩ osrs.systemdns.com
Mail Server IPs
- 204.141.33.44 ↩ mx.zohomail.com
- 136.143.191.44 ↩ mx3.zoho.com
SOA Record
Raw SOA
ns1.systemdns.com hostmaster.systemdns.com 1725999588 604800 86400 300 60
Primary NS (mname)
ns1.systemdns.com
Admin Email (rname)
hostmaster@systemdns.com
Serial
1725999588
Refresh
604800s
Retry
86400s
Expire
300s
Minimum TTL
60s
Nameservers (NS)
ns1.systemdns.com
ns3.systemdns.com
ns2.systemdns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:zohomail.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo 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- SPFv=spf1 include:zohomail.com ~all
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