bbcontracting.com

Valid Email Server
Domain Lookup › bbcontracting.com

Domain Overview

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

Checked via [email protected] · 2026-03-19 05:46:23 UTC · ↺ Refresh

MX Hostnames

  • bbcontracting-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 209.121.140.171 ↩ tfvpn1.bbcontracting.com

Mail Server IPs

  • 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
  • 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
  • 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
  • 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
  • 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
  • 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com

SOA Record

Raw SOA ns73.domaincontrol.com dns.jomax.net 2025060400 28800 7200 604800 3600
Primary NS (mname)
ns73.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025060400
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns73.domaincontrol.com
ns74.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:20.116.13.66 ip4:3.97.163.117 ip4:3.97.28.69 ip4:204.132.129.122 ip4:209.121.140.170 ip4:209.121.140.173 ip4:209.52.0.0/16 ip4:96.53.38.170 ip4:184.68.26.182 ip4:184.69.144.27 ip4:72.3.143.240 ip4:172.24.32.0/24 ip4:104.130.47.71 include:spf.protection.outlook.com include:_spf.ultipro.com -all
📊 DNS lookups: 3/10
✓ 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
  • SPFv=spf1 mx ip4:20.116.13.66 ip4:3.97.163.117 ip4:3.97.28.69 ip4:204.132.129.122 ip4:209.121.140.170 ip4:209.121.140.173 ip4:209.52.0.0/16 ip4:96.53.38.170 ip4:184.68.26.182 ip4:184.69.144.27 ip4:72.3.143.240 ip4:172.24.32.0/24 ip4:104.130.47.71 include:spf.protection.outlook.com include:_spf.ultipro.com -all
  • sophos-domain-verification=b1d44812617c45c93ea02276a298980a4ccbdf7b8ef4c3d61d7f29de92f89ac3
  • apple-domain-verification=YntP4lCdeNRSp0on
  • MS=ms60775072
  • logmein-verification-code=7252d7d0-b36e-42ef-8b2d-d43176f50200
Full email verification for bbcontracting.com

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