citiwide.us

Valid Email Server
Domain Lookup › citiwide.us

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
citiwide.us
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 19:44:36 UTC · ↺ Refresh

MX Hostnames

  • citiwide-us.mail.protection.outlook.com

MX Priorities

  • citiwide-us.mail.protection.outlook.com: 0

A / AAAA Records

  • 160.153.0.179 ↩ 179.0.153.160.host.secureserver.net

Mail Server IPs

  • 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
  • 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
  • 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
  • 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns33.domaincontrol.com dns.jomax.net 2023072600 28800 7200 604800 600
Primary NS (mname)
ns33.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2023072600
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns33.domaincontrol.com
ns34.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:secureserver.net -all
📊 DNS lookups: 1/10
✓ 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

4 records
  • NETORG12227248.onmicrosoft.com
  • {!cv_migrationsource:cv_dnstextrecordfromo365;}
  • SPFv=spf1 include:secureserver.net -all
  • ca3-7f252372be6e44f6a105fe70713444e7
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 citiwide.us

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

No credit card required
Get 1,000 Free Credits