calbioenergy.com

Valid Email Server
Domain Lookup › calbioenergy.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
calbioenergy.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 02:13:53 UTC · ↺ Refresh

MX Hostnames

  • d340202b.ess.barracudanetworks.com
  • d340202a.ess.barracudanetworks.com

MX Priorities

  • d340202b.ess.barracudanetworks.com: 10
  • d340202a.ess.barracudanetworks.com: 0

A / AAAA Records

  • 185.230.63.107 ↩ unalocated.63.wixsite.com
  • 185.230.63.171 ↩ unalocated.63.wixsite.com
  • 185.230.63.186 ↩ unalocated.63.wixsite.com

Mail Server IPs

  • 209.222.82.255 ↩ mail.ess.barracuda.com
  • 209.222.82.253 ↩ mail.ess.barracuda.com
  • 209.222.82.252 ↩ mail.ess.barracuda.com

SOA Record

Raw SOA ns4.wixdns.net support.wix.com 2025093022 10800 3600 1209600 3600
Primary NS (mname)
ns4.wixdns.net
Admin Email (rname)
support@wix.com
Serial
2025093022
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns5.wixdns.net
ns4.wixdns.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:dnsexit.com include:spf.sendinblue.com mx -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✗ None detected

No 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

5 records
  • MS=ms16717344
  • google-site-verification=fgypJ7ar3aFIz04aTUBQdrO8eEfLXt4dXNTL4j0Xv5M
  • sendinblue-code:ba9c7698e4829a7763919e0a217156e4
  • goodnotes-verification=891a2aa4-7c73-47dc-842d-0914292fcf1d
  • SPFv=spf1 include:spf.protection.outlook.com include:dnsexit.com include:spf.sendinblue.com mx -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 calbioenergy.com

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

No credit card required
Get 1,000 Free Credits