optima.com.au

Valid Email Server
Domain Lookup › optima.com.au

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
optima.com.au
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-23 01:05:25 UTC · ↺ Refresh

MX Hostnames

  • optima-com-au.mail.protection.outlook.com

MX Priorities

  • optima-com-au.mail.protection.outlook.com: 0

A / AAAA Records

  • 23.185.0.1 (no PTR)
  • 2620:12a:8000::1 (no PTR)
  • 2620:12a:8001::1

Mail Server IPs

  • 52.101.151.0 ↩ mail-meupr01cu00200.inbound.protection.outlook.com
  • 52.101.149.9 ↩ mail-sy2pr01cu00501.inbound.protection.outlook.com
  • 52.101.149.2 ↩ mail-sy5pr01cu00902.inbound.protection.outlook.com
  • 52.101.149.1 ↩ mail-sy8pr01cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:cc31:: ↩ mail-sy2pr01cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:cc33:: ↩ mail-meupr01cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:cc33::1 ↩ mail-meupr01cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:cc31::1 ↩ mail-sy8pr01cu00101.inbound.protection.outlook.com

SOA Record

Raw SOA ns-1242.awsdns-27.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1242.awsdns-27.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1242.awsdns-27.org
ns-1765.awsdns-28.co.uk
ns-239.awsdns-29.com
ns-839.awsdns-40.net

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

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

4 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • 87c33ecf0bed4c67b067e55b1bea036f
  • MS=ms62488932
  • access-domain-verification=e62855e3baabc7e66556365f54098ee6ab388ca6e3774b76afc96106d95a9b8c
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