Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
columbuswindow.com
Yes
✓ Yes
Yahoo
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 09:28:06 UTC · ↺ Refresh
MX Hostnames
- mx-biz.mail.am0.yahoodns.net
- mx-biz.mail.am0.yahoodns.net
MX Priorities
- mx-biz.mail.am0.yahoodns.net: 20
- mx-biz.mail.am0.yahoodns.net: 30
A / AAAA Records
- 69.163.183.63 ↩ apache2-fritz.pdx1-shared-a1-25.dreamhost.com
Mail Server IPs
- 67.195.228.75 ↩ mtaproxy1.biz.mail.vip.gq1.yahoo.com
- 67.195.204.83 ↩ mtaproxy1.biz.mail.vip.bf1.yahoo.com
SOA Record
Raw SOA
ns1.turbify.com webmaster.turbify.com 2024071802 3600 1800 1209600 86400
Primary NS (mname)
ns1.turbify.com
Admin Email (rname)
webmaster@turbify.com
Serial
2024071802
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.turbify.com
ns2.turbify.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
No TXT records found.
Full email verification for columbuswindow.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits