citybuildersmd.com

Valid Email Server
Domain Lookup › citybuildersmd.com

Domain Overview

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

Checked via [email protected] · 2026-03-18 20:26:51 UTC · ↺ Refresh

MX Hostnames

  • citybuildersmd-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 194.1.147.11 ↩ wpx.net
  • 194.1.147.90 ↩ wpx.net

Mail Server IPs

  • 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
  • 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
  • 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
  • 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
  • 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.wpx.net root.s26.wpx.net 1765281041 10800 3600 604800 38400
Primary NS (mname)
ns1.wpx.net
Admin Email (rname)
root@s26.wpx.net
Serial
1765281041
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
38400s

Nameservers (NS)

ns2.wpx.net
ns1.wpx.net
ns3.wpx.net

SPF Record

✓ Strict (-all)
v=spf1 a mx a:citybuildersmd.com ip4:67.202.92.26 ip4:198.60.193.26 ip4:198.60.193.153 ip4:208.100.34.159 include:spf.protection.outlook.com -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

1 record
  • SPFv=spf1 a mx a:citybuildersmd.com ip4:67.202.92.26 ip4:198.60.193.26 ip4:198.60.193.153 ip4:208.100.34.159 include:spf.protection.outlook.com -all
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