optimizetax.io

Valid Email Server
Domain Lookup › optimizetax.io

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
optimizetax.io
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 15:02:00 UTC · ↺ Refresh

MX Hostnames

  • optimizetax-io.mail.protection.outlook.com

MX Priorities

  • optimizetax-io.mail.protection.outlook.com: 0

A / AAAA Records

  • 148.135.128.36 (no PTR)
  • 77.37.76.153 (no PTR)
  • 2a02:4780:4e:95df:5006:3127:8b97:b2ec
  • 2a02:4780:51:cd19:d88b:e0dc:d875:e6a2

Mail Server IPs

  • 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
  • 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
  • 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
  • 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com

SOA Record

Raw SOA athena.dns-parking.com dns.hostinger.com 2026031201 10000 2400 604800 600
Primary NS (mname)
athena.dns-parking.com
Admin Email (rname)
dns@hostinger.com
Serial
2026031201
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

athena.dns-parking.com
apollo.dns-parking.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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.protection.outlook.com -all
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