Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
a3ventures.co
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 13:28:11 UTC · ↺ Refresh
MX Hostnames
- mxa-0076c801.gslb.pphosted.com
- mxb-0076c801.gslb.pphosted.com
MX Priorities
- mxa-0076c801.gslb.pphosted.com: 10
- mxb-0076c801.gslb.pphosted.com: 10
A / AAAA Records
- 104.197.81.110 ↩ 110.81.197.104.bc.googleusercontent.com
Mail Server IPs
- 205.220.183.92 ↩ mx0b-0076c801.pphosted.com
SOA Record
Raw SOA
ns-cloud-b1.googledomains.com cloud-dns-hostmaster.google.com 3 21600 3600 259200 300
Primary NS (mname)
ns-cloud-b1.googledomains.com
Admin Email (rname)
cloud-dns-hostmaster@google.com
Serial
3
Refresh
21600s
Retry
3600s
Expire
259200s
Minimum TTL
300s
Nameservers (NS)
ns-cloud-b4.googledomains.com
ns-cloud-b2.googledomains.com
ns-cloud-b3.googledomains.com
ns-cloud-b1.googledomains.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:servers.mcsv.net include:mwg1.goaaa.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; ri=3600; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
google._domainkey
k1._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=aae37219-1d2b-4ef0-a8bc-74a546226ff8
- ZOOM_verify_2vg5D_g1SWGiYWwtQ1kZuw
- SPFv=spf1 include:servers.mcsv.net include:mwg1.goaaa.com ~all
- adobe-idp-site-verification=b0b6f1fb82245a22f7c3ee0a46d9c662bb840661c5a0854d8baac6a61707c0be
- segment-site-verification=S4lQdlrrCzZhh1v6Nkp9sHjpfLlCi6nI
Full email verification for a3ventures.co
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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