Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
biggerstaffconstruction.com
Yes
✓ Yes
Yahoo
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 09:29:03 UTC · ↺ Refresh
MX Hostnames
- mx-biz.mail.am0.yahoodns.net
MX Priorities
- mx-biz.mail.am0.yahoodns.net: 10
A / AAAA Records
- 75.2.70.75 ↩ aacb0a264e514dd48.awsglobalaccelerator.com
- 99.83.190.102 ↩ aacb0a264e514dd48.awsglobalaccelerator.com
Mail Server IPs
- 67.195.204.83 ↩ mtaproxy1.biz.mail.vip.bf1.yahoo.com
- 67.195.228.75 ↩ mtaproxy1.biz.mail.vip.gq1.yahoo.com
SOA Record
Raw SOA
ns1.systemdns.com hostmaster.systemdns.com 1753122795 10800 3600 300 60
Primary NS (mname)
ns1.systemdns.com
Admin Email (rname)
hostmaster@systemdns.com
Serial
1753122795
Refresh
10800s
Retry
3600s
Expire
300s
Minimum TTL
60s
Nameservers (NS)
ns2.systemdns.com
ns3.systemdns.com
ns1.systemdns.com
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
1 record- proxy-ssl.webflow.com
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