seopt.com

Valid Email Server
Domain Lookup › seopt.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
seopt.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-20 13:46:38 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • mx1.hspherefilter.com: 10
  • mx2.hspherefilter.com: 10
  • mx3.hspherefilter.com: 10
  • mx4.hspherefilter.com: 10

A / AAAA Records

  • 207.210.240.118 ↩ mail18.dynamicnet.net

Mail Server IPs

  • 72.249.63.136 ↩ mx1.hspherefilter.com
  • 207.210.240.136 ↩ mx2.hspherefilter.com
  • 206.123.73.136 ↩ mx3.hspherefilter.com
  • 65.99.202.136 ↩ mx4.hspherefilter.com

SOA Record

Raw SOA ns10.dni-nameservers.com hostmaster.dynamicnet.net 2025060401 14400 7200 2419200 3600
Primary NS (mname)
ns10.dni-nameservers.com
Admin Email (rname)
hostmaster@dynamicnet.net
Serial
2025060401
Refresh
14400s
Retry
7200s
Expire
2419200s
Minimum TTL
3600s

Nameservers (NS)

ns10.dni-nameservers.com
ns9.dni-nameservers.com

SPF Record

✓ Strict (-all)
v=spf1 +a +mx include:spf.hspherefilter.com -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

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

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

All TXT Records

1 record
  • SPFv=spf1 +a +mx include:spf.hspherefilter.com -all
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