ct.bbb.org

Valid Email Server
Domain Lookup › ct.bbb.org
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
ct.bbb.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-18 14:02:28 UTC · ↺ Refresh

MX Hostnames

  • ct-bbb-org.mail.protection.outlook.com

MX Priorities

  • ct-bbb-org.mail.protection.outlook.com: 0

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
  • 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
  • 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com

SOA Record

No SOA record found.

Nameservers (NS)

No nameservers found.

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spfbbblist.bbb.org include:spfbbb.bluebbb.org include:spf.constantcontact.com include:spf.protection.outlook.com include:_spf.safewebservices.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=reject; fo=0;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

4 records
  • SPFv=spf1 include:spfbbblist.bbb.org include:spfbbb.bluebbb.org include:spf.constantcontact.com include:spf.protection.outlook.com include:_spf.safewebservices.com ~all
  • MS=ms86368663
  • google-site-verification=7OCpS-YOZceMzb8DZiadpF_bazj0TNBPHmbcXy0KVuE
  • DMARCv=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=reject; fo=0;
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