Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
costco.co.jp
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 09:09:10 UTC · ↺ Refresh
MX Hostnames
- mx0a-001f9d01.pphosted.com
- mx0b-001f9d01.pphosted.com
MX Priorities
- mx0a-001f9d01.pphosted.com: 1
- mx0b-001f9d01.pphosted.com: 1
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 117 10800 3600 2332800 900
Primary NS (mname)
dbru.br.ns.els-gms.att.net
Admin Email (rname)
please_set_email@absolutely.nowhere
Serial
117
Refresh
10800s
Retry
3600s
Expire
2332800s
Minimum TTL
900s
Nameservers (NS)
a28-66.akam.net
dmtu.mt.ns.els-gms.att.net
dbru.br.ns.els-gms.att.net
a1-116.akam.net
a6-64.akam.net
a14-67.akam.net
a9-66.akam.net
a5-64.akam.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
✓ 1 found
google._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
12 records- SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com -all
- spycloud-domain-verification=59198647-7d12-4184-81c3-40930373da20
- docusign=42bc6ef8-a2a6-43cf-95cc-b4e165f4d0fe
- atlassian-domain-verification=mOyfCnOmDOAo2wCWxZ1feSqlR3yeXX6nP2KotAWqkWWtO1NAJydXpiYNCYEhJUn8
- google-site-verification=aMWmrn5wNpnRA5lrRLctRNh8tZfYXPgCPt4bY3dc_aQ
- google-site-verification=B5G0OAbRD8OQH4a7aUTXuWMmcK3M99vboqZEBCViNdk
- docusign=aa2e72e9-1ae7-4f5f-bd39-c5ded522f50d
- cBFCXCzkUDH+617p0Jo4GLsYcV7M/kulFGQpoXyWjZ0=
- apple-domain-verification=yUsyYJmUrLTNNZUP
- cisco-ci-domain-verification=5433ec3149a6af903f910ff6ca737f7fdfb69cbd1dd3c916b92874b77acc783a
- google-site-verification=h8r7HxRt6pVFHSE_1ifYRQ0n18XCYUyIAp-TZ31s0NE
- MS=B3C93B271B29F5C4DBB3BFF805F332376257F51B
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