commbank.com.au

Valid Email Server
Domain Lookup › commbank.com.au

Domain Overview

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

Checked via [email protected] · 2026-03-22 22:32:59 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • commbank-com-au.mail.protection.outlook.com: 10

A / AAAA Records

  • 162.159.141.172 (no PTR)
  • 172.66.1.168 (no PTR)

Mail Server IPs

  • 52.101.151.5 ↩ mail-meupr01cu00305.inbound.protection.outlook.com
  • 52.101.149.1 ↩ mail-sy8pr01cu00101.inbound.protection.outlook.com
  • 52.101.151.0 ↩ mail-meupr01cu00200.inbound.protection.outlook.com
  • 52.101.149.9 ↩ mail-sy2pr01cu00501.inbound.protection.outlook.com

SOA Record

Raw SOA ns-748.awsdns-29.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-748.awsdns-29.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1901.awsdns-45.co.uk
ns-24.awsdns-03.com
ns-845.awsdns-41.net
ns-1077.awsdns-06.org

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf1.cba.com.au include:spf2.cba.com.au ip4:144.49.240.0/21 include:spf.protection.outlook.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=s; aspf=s; fo=1; rf=afrf; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._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

4 records
  • MS=ms68246048
  • e59ad446-f0e7-49ea-9146-d9eedcdde784
  • string: C0O4M11565
  • SPFv=spf1 include:spf1.cba.com.au include:spf2.cba.com.au ip4:144.49.240.0/21 include:spf.protection.outlook.com ~all
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