builderscd.com

Valid Email Server
Domain Lookup › builderscd.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
builderscd.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 06:22:12 UTC · ↺ Refresh

MX Hostnames

  • mail3db.vectranet.net

MX Priorities

  • mail3db.vectranet.net: 10

A / AAAA Records

  • 147.185.242.191 (no PTR)

Mail Server IPs

  • 146.71.79.120 ↩ mail3db.vectranet.net

SOA Record

Raw SOA ns1.vectranet.net hostmaster.vectranet.net 2023020301 7200 540 604800 3600
Primary NS (mname)
ns1.vectranet.net
Admin Email (rname)
hostmaster@vectranet.net
Serial
2023020301
Refresh
7200s
Retry
540s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns1.vectranet.net
ns2.vectranet.net

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

1 record
  • SPFv=spf1 mx a ~all
Full email verification for builderscd.com

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits