workcertain.com.au

Valid Email Server
Domain Lookup › workcertain.com.au

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
workcertain.com.au
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 05:53:11 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 198.185.159.145 (no PTR)
  • 198.49.23.144 (no PTR)
  • 198.49.23.145
  • 198.185.159.144

Mail Server IPs

  • 52.101.149.1 ↩ mail-sy8pr01cu00101.inbound.protection.outlook.com
  • 52.101.149.9 ↩ mail-sy2pr01cu00501.inbound.protection.outlook.com
  • 52.101.149.2 ↩ mail-sy5pr01cu00902.inbound.protection.outlook.com
  • 52.101.151.0 ↩ mail-meupr01cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:cc33::1 ↩ mail-meupr01cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:cc31:: ↩ mail-sy2pr01cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:cc31::3 ↩ mail-sy2pr01cu00503.inbound.protection.outlook.com
  • 2a01:111:f403:cc33:: ↩ mail-meupr01cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA ns21.domaincontrol.com dns.jomax.net 2025121704 28800 7200 604800 600
Primary NS (mname)
ns21.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025121704
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns21.domaincontrol.com
ns22.domaincontrol.com

SPF Record

✓ Soft Fail (~all)
v=spf1 +mx +a +ip4:185.199.220.89 +include:spf.protection.outlook.com +include:relay.k.io +include:amazonses.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

2 records
  • SPFv=spf1 +mx +a +ip4:185.199.220.89 +include:spf.protection.outlook.com +include:relay.k.io +include:amazonses.com ~all
  • MS=ms93123401
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