citywidedev.com

Valid Email Server
Domain Lookup › citywidedev.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
citywidedev.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 23:23:00 UTC · ↺ Refresh

MX Hostnames

  • citywidedev-com.mail.protection.outlook.com

MX Priorities

  • citywidedev-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 209.188.90.96 ↩ host.thinkpatented.com

Mail Server IPs

  • 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
  • 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
  • 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
  • 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
  • 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA ns27.worldnic.com namehost.worldnic.com 125121910 10800 3600 604800 3600
Primary NS (mname)
ns27.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125121910
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns28.worldnic.com
ns27.worldnic.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a:mail.citywidedev.com ip4:107.135.140.1 ip4:64.56.100.158 include:spf.protection.outlook.com ~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

✗ 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

3 records
  • MS=ms13471587
  • duo_sso_verification=xCXHYxPivt2fR1Zf29cL48pc3oXcJgPCygW7IhuppRp2gqqim8koRFCsO3CjiQmv
  • SPFv=spf1 a:mail.citywidedev.com ip4:107.135.140.1 ip4:64.56.100.158 include:spf.protection.outlook.com ~all
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