osb.net.au

Valid Email Server
Domain Lookup › osb.net.au

Domain Overview

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

Checked via [email protected] · 2026-03-27 01:31:49 UTC · ↺ Refresh

MX Hostnames

  • osb-net-au.mail.protection.outlook.com

MX Priorities

  • osb-net-au.mail.protection.outlook.com: 0

A / AAAA Records

  • 119.148.90.148 ↩ r18722529.web-host.com.au

Mail Server IPs

  • 52.101.149.0 ↩ mail-sy2pr01cu00300.inbound.protection.outlook.com
  • 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
  • 2a01:111:f403:cc33::1 ↩ mail-meupr01cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:cc33:: ↩ mail-meupr01cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:cc31::1 ↩ mail-sy8pr01cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:cc31:: ↩ mail-sy2pr01cu00300.inbound.protection.outlook.com

SOA Record

Raw SOA dns1.nameservernetwork.com timb.itmasters.net.au 2026031401 3600 600 604800 300
Primary NS (mname)
dns1.nameservernetwork.com
Admin Email (rname)
timb@itmasters.net.au
Serial
2026031401
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

dns3.nameservernetwork.com
dns1.nameservernetwork.com
dns2.nameservernetwork.com

SPF Record

✓ Strict (-all)
v=spf1 a include:spf.protection.outlook.com include:_spf.cpr.web-host.com.au -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

✓ 3 found
selector1._domainkey
selector2._domainkey
default._domainkey
✓ Public key: 392 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

3 records
  • MS=ms54378298
  • google-site-verification=VHIihPmPsqEpmfGm_54Pt8cvpLH-iQnjizHTEyi8gRM
  • SPFv=spf1 a include:spf.protection.outlook.com include:_spf.cpr.web-host.com.au -all
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