retrozone.com

Valid Email Server
Domain Lookup › retrozone.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
retrozone.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-20 21:30:49 UTC · ↺ Refresh

MX Hostnames

  • mx3.hspherefilter.com
  • mx1.hspherefilter.com
  • mx4.hspherefilter.com
  • mx2.hspherefilter.com

MX Priorities

No priority data.

A / AAAA Records

  • 3.14.42.7

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns1.dni-nameservers.com
ns2.dni-nameservers.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.hspherefilter.com a mx ip4:65.99.202.4/24 ip4:3.14.42.7 ip6:2600:1f16:ea9:4200:24a6:fe6b:9c77:9603 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

1 record
  • SPFv=spf1 include:spf.hspherefilter.com a mx ip4:65.99.202.4/24 ip4:3.14.42.7 ip6:2600:1f16:ea9:4200:24a6:fe6b:9c77:9603 -all
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