Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
masonco.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 00:17:47 UTC · ↺ Refresh
MX Hostnames
- mxb-008cba01.gslb.pphosted.com
- mxa-008cba01.gslb.pphosted.com
MX Priorities
- mxa-008cba01.gslb.pphosted.com: 10
- mxb-008cba01.gslb.pphosted.com: 10
A / AAAA Records
- 150.171.109.118 (no PTR)
Mail Server IPs
- 148.163.135.235 ↩ mx0a-008cba01.pphosted.com
- 148.163.139.151 ↩ mx0b-008cba01.pphosted.com
SOA Record
Raw SOA
ns1-32.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 10
Primary NS (mname)
ns1-32.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
10s
Nameservers (NS)
ns1-32.azure-dns.com
ns2-32.azure-dns.net
ns3-32.azure-dns.org
ns4-32.azure-dns.info
SPF Record
✓ Strict (-all)
v=spf1 include:spf.ess.barracudanetworks.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected], mailto:[email protected]; ruf=mailto:[email protected]; fo=0
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected], mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- google-site-verification=VfPYxmtdqX1_FVA2WjufxKnc1u3JI09WQ--3pPuexG0
- SPFv=spf1 include:spf.ess.barracudanetworks.com -all
- MS=ms53472344
- v=verifydomain MS=3010313
Full email verification for masonco.com
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