Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
costco.ca
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 03:26:40 UTC · ↺ Refresh
MX Hostnames
- mx0b-001f9d01.pphosted.com
- mx0a-001f9d01.pphosted.com
MX Priorities
- mx0b-001f9d01.pphosted.com: 5
- mx0a-001f9d01.pphosted.com: 5
A / AAAA Records
- 23.56.210.213 ↩ a23-56-210-213.deploy.static.akamaitechnologies.com
Mail Server IPs
- 148.163.158.49 ↩ mx0b-001f9d01.pphosted.com
- 148.163.156.53 ↩ mx0a-001f9d01.pphosted.com
SOA Record
Raw SOA
a1-116.akam.net hostmaster.akamai.com 682 10800 3600 2332800 900
Primary NS (mname)
a1-116.akam.net
Admin Email (rname)
hostmaster@akamai.com
Serial
682
Refresh
10800s
Retry
3600s
Expire
2332800s
Minimum TTL
900s
Nameservers (NS)
a6-64.akam.net
a1-116.akam.net
a9-66.akam.net
a5-64.akam.net
a14-67.akam.net
a28-66.akam.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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
5 records- docusign=6b48b509-016b-486a-ad99-4c976f661c0d
- google-site-verification=IVZa_YT_W4LfykaLHkYsFSgHQOs2VILBuEUTWUKc6rQ
- docusign=7822dcd7-57ae-4abd-b680-f926329bb93e
- google-site-verification=9vD2d3XW2_Js54ahrD7yPUM47OzpHqTQ2GQgETZpKu8
- SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
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