Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
costco.com.mx
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 15:40:51 UTC · ↺ Refresh
MX Hostnames
- mx0b-001f9d01.pphosted.com
- mx0a-001f9d01.pphosted.com
MX Priorities
- mx0a-001f9d01.pphosted.com: 1
- mx0b-001f9d01.pphosted.com: 1
A / AAAA Records
- 34.102.182.210 ↩ 210.182.102.34.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
nsq1.costco.com.mx crivas.costco.com.mx 591 10800 3600 2419200 900
Primary NS (mname)
nsq1.costco.com.mx
Admin Email (rname)
crivas@costco.com.mx
Serial
591
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
900s
Nameservers (NS)
nsq2.costco.com.mx
nsq1.costco.com.mx
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
9 records- google-site-verification=p_R9jO4ItDLDYslDxkf-DqyEb7znACAkYuRDyuSf1f8
- SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com -all
- google-site-verification=irGJvdPcqIXxNmAiplNe7JKW2UXLZ1wVo9ev2NfN4W0
- docusign=b6a11be2-f4b9-4460-a912-34280e1c6cd8
- docusign=e71da1f9-96f3-4a9f-9939-7600fba8aca9
- atlassian-domain-verification=mOyfCnOmDOAo2wCWxZ1feSqlR3yeXX6nP2KotAWqkWWtO1NAJydXpiYNCYEhJUn8
- zsty860czrlpfp11qbld82tz1jv5rsb0
- spycloud-domain-verification=f61fbb16-7488-4113-991b-75e32b18b1f3
- MS=ms40947841
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