Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
vierabuilders.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 01:24:01 UTC · ↺ Refresh
MX Hostnames
- mxa-00387e01.gslb.pphosted.com
- mxb-00387e01.gslb.pphosted.com
MX Priorities
- mxa-00387e01.gslb.pphosted.com: 10
- mxb-00387e01.gslb.pphosted.com: 10
A / AAAA Records
- 54.159.125.123 ↩ ec2-54-159-125-123.compute-1.amazonaws.com
Mail Server IPs
- 148.163.137.61 ↩ mx0b-00387e01.pphosted.com
SOA Record
Raw SOA
ns-865.awsdns-44.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-865.awsdns-44.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-865.awsdns-44.net
ns-1454.awsdns-53.org
ns-2026.awsdns-61.co.uk
ns-260.awsdns-32.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf-00387e01.pphosted.com include:spf.protection.outlook.com include:wwhnetwork.net ip4:50.31.36.208 ip4:149.72.220.229 ip4:148.59.116.30 ip4:148.59.116.31 ip4:20.65.48.77 ip4:172.177.66.152 ip4:198.15.117.86 ip4:66.85.183.83 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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- cl0m6b065ggs8h0rur35k2hl6n
- knowbe4-site-verification=11381be7b2fd68969f43de14c63c770f
- SPFv=spf1 include:spf-00387e01.pphosted.com include:spf.protection.outlook.com include:wwhnetwork.net ip4:50.31.36.208 ip4:149.72.220.229 ip4:148.59.116.30 ip4:148.59.116.31 ip4:20.65.48.77 ip4:172.177.66.152 ip4:198.15.117.86 ip4:66.85.183.83 -all
- MS=ms70934130
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