mastercard.com.au

Valid Email Server
Domain Lookup › mastercard.com.au

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
mastercard.com.au
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-26 21:32:43 UTC · ↺ Refresh

MX Hostnames

  • mxb-00078002.gslb.pphosted.com
  • mxa-00078002.gslb.pphosted.com

MX Priorities

  • mxa-00078002.gslb.pphosted.com: 10
  • mxb-00078002.gslb.pphosted.com: 10

A / AAAA Records

  • 173.223.154.92 ↩ a173-223-154-92.deploy.static.akamaitechnologies.com

Mail Server IPs

  • 148.163.153.24 ↩ mx0b-00078002.pphosted.com
  • 148.163.149.25 ↩ mx0a-00078002.pphosted.com

SOA Record

Raw SOA dns2.mastercard.com hostmaster.mastercard.com 2011072661 14400 3600 2419200 60
Primary NS (mname)
dns2.mastercard.com
Admin Email (rname)
hostmaster@mastercard.com
Serial
2011072661
Refresh
14400s
Retry
3600s
Expire
2419200s
Minimum TTL
60s

Nameservers (NS)

a26-66.akam.net
a22-65.akam.net
a9-64.akam.net
a7-67.akam.net
a18-64.akam.net
a1-29.akam.net

SPF Record

✓ Soft Fail (~all)
v=spf1 include:mx.dload.com.au ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;fo=1;rua=mailto:[email protected];ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 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

4 records
  • facebook-domain-verification=odxmags896m67oe8yev1l7sjg3hgvu
  • SPFv=spf1 include:mx.dload.com.au ~all
  • 1glihp5c1kb6dgmcl6ca8fv41p
  • 3h7b4sq0ing4i0p4ifjflgd1cc
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for mastercard.com.au

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits