busbyplumbing.com

Valid Email Server
Domain Lookup › busbyplumbing.com

Domain Overview

DNS: ✓ 3d ago Checker: ✓ 3d ago
busbyplumbing.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-18 10:32:08 UTC · ↺ Refresh

MX Hostnames

  • mx1.windstreamhosting.com
  • mx2.windstreamhosting.com
  • mx4.windstreamhosting.com
  • mx3.windstreamhosting.com

MX Priorities

  • mx2.windstreamhosting.com: 100
  • mx3.windstreamhosting.com: 110
  • mx4.windstreamhosting.com: 120
  • mx1.windstreamhosting.com: 10

A / AAAA Records

  • 104.21.30.62 (no PTR)
  • 172.67.172.50 (no PTR)
  • 2606:4700:3034::ac43:ac32 (no PTR)
  • 2606:4700:3035::6815:1e3e (no PTR)

Mail Server IPs

  • 64.29.145.46 ↩ mx2c25.carrierzone.com
  • 64.29.145.47 ↩ mx3c25.carrierzone.com
  • 64.29.145.48 ↩ mx4c25.carrierzone.com
  • 64.29.145.41 ↩ mx1c25.carrierzone.com

SOA Record

Raw SOA donna.ns.cloudflare.com dns.cloudflare.com 2404453096 10000 2400 604800 1800
Primary NS (mname)
donna.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2404453096
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

donna.ns.cloudflare.com
sterling.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:66.96.128.0/18 include:websitewelcome.com ?all
📊 DNS lookups: 1/10
? Neutral (?all) — no enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

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

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

All TXT Records

1 record
  • SPFv=spf1 ip4:66.96.128.0/18 include:websitewelcome.com ?all
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for busbyplumbing.com

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits