Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
nctx.bbb.org
Yes
✓ Yes
Symantec
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 01:04:00 UTC · ↺ Refresh
MX Hostnames
- cluster6.us.messagelabs.com
- cluster6a.us.messagelabs.com
MX Priorities
- cluster6a.us.messagelabs.com: 20
- cluster6.us.messagelabs.com: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 34.75.172.113 ↩ 113.172.75.34.bc.googleusercontent.com
- 67.219.247.196 ↩ mail928.messagelabs.com
- 67.219.246.217 ↩ mail903.messagelabs.com
- 67.219.250.213 ↩ mail944.messagelabs.com
SOA Record
No SOA record found.
Nameservers (NS)
No nameservers found.
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.messagelabs.com include:spf.protection.outlook.com include:spf.constantcontact.com include:spfbbb.bluebbb.org include:spf.clearslide.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
1 record- SPFv=spf1 include:spf.messagelabs.com include:spf.protection.outlook.com include:spf.constantcontact.com include:spfbbb.bluebbb.org include:spf.clearslide.com ~all
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 nctx.bbb.org
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits