ci.cypress.ca.us

Valid Email Server
Domain Lookup › ci.cypress.ca.us

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ci.cypress.ca.us
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-25 21:58:33 UTC · ↺ Refresh

MX Hostnames

  • d201458a.ess.barracudanetworks.com
  • d201458b.ess.barracudanetworks.com

MX Priorities

  • d201458b.ess.barracudanetworks.com: 20
  • d201458a.ess.barracudanetworks.com: 10

A / AAAA Records

  • 135.84.124.41 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA mns01.domaincontrol.com dns.jomax.net 2024110103 28800 7200 604800 600
Primary NS (mname)
mns01.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2024110103
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

mns01.domaincontrol.com
mns02.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:98.153.13.212/32 ip4:12.127.72.118/32 ip4:69.39.239.133/32 ip4:69.56.159.0/20 ip4:69.56.157.57/32 ip4:216.223.188.0/24 include:spf.ess.barracudanetworks.com include:spf-us.appmail.granicusgovaccess.net include:_spf.psm.knowbe4.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

1 record
  • SPFv=spf1 a mx ip4:98.153.13.212/32 ip4:12.127.72.118/32 ip4:69.39.239.133/32 ip4:69.56.159.0/20 ip4:69.56.157.57/32 ip4:216.223.188.0/24 include:spf.ess.barracudanetworks.com include:spf-us.appmail.granicusgovaccess.net include:_spf.psm.knowbe4.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 ci.cypress.ca.us

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

No credit card required
Get 1,000 Free Credits