Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
costco.com.au
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 17:11:17 UTC · ↺ Refresh
MX Hostnames
- mx0b-001f9d01.pphosted.com
- mx0a-001f9d01.pphosted.com
MX Priorities
- mx0a-001f9d01.pphosted.com: 5
- mx0b-001f9d01.pphosted.com: 5
A / AAAA Records
- 35.192.62.159 ↩ 159.62.192.35.bc.googleusercontent.com
Mail Server IPs
- 148.163.156.53 ↩ mx0a-001f9d01.pphosted.com
- 148.163.158.49 ↩ mx0b-001f9d01.pphosted.com
SOA Record
Raw SOA
dbru.br.ns.els-gms.att.net please_set_email.absolutely.nowhere 413 10800 3600 2332800 900
Primary NS (mname)
dbru.br.ns.els-gms.att.net
Admin Email (rname)
please_set_email@absolutely.nowhere
Serial
413
Refresh
10800s
Retry
3600s
Expire
2332800s
Minimum TTL
900s
Nameservers (NS)
a9-66.akam.net
a5-64.akam.net
dbru.br.ns.els-gms.att.net
a28-66.akam.net
a14-67.akam.net
a6-64.akam.net
a1-116.akam.net
dmtu.mt.ns.els-gms.att.net
SPF Record
✓ Strict (-all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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
✓ 3 found
google._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- costcokenticoprod.azurewebsites.net
- google-site-verification=nmOe09oKnF3qdThGm0ycT2_xNRM_RDuSXhEsbxpxj8A
- apple-domain-verification=C4xLlTX1BZbkfhb9
- docusign=73043a9a-bb56-4b6c-bc5a-a00068bd2157
- docusign=71dfcc92-a29a-4853-a498-811c53e299f8
- atlassian-domain-verification=mOyfCnOmDOAo2wCWxZ1feSqlR3yeXX6nP2KotAWqkWWtO1NAJydXpiYNCYEhJUn8
- spycloud-domain-verification=73c737de-5bd7-439e-9449-0e874fa1f6a4
- SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com -all
- ping
- google-site-verification=uuLmoIjRpA5hsw7YTJ8tLC83PuVBgYvnxWDu3RTJJ0g
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