nbkc.com

Valid Email Server
Domain Lookup › nbkc.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
nbkc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-21 17:40:25 UTC · ↺ Refresh

MX Hostnames

  • nbkc-com.mail.protection.outlook.com

MX Priorities

No priority data.

A / AAAA Records

  • 172.67.73.36
  • 104.26.10.161
  • 104.26.11.161
  • 2606:4700:20::681a:ba1
  • 2606:4700:20::681a:aa1
  • 2606:4700:20::ac43:4924

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

abdullah.ns.cloudflare.com
harmony.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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

9 records
  • me075agi6g4goa3sem9j2d7tbn
  • SPFv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email -all
  • +ZIs6r53OsmnItMXglTi9F6lNwMQgHUy+ZIVJFmLB2wFWhUorMeHlWmAq7/pQXr53pDOTCYeDBiNx6BpRQv63Q==
  • 23b310sulvnb7asnscalr3v45j
  • 9236kvq07bsktn0qi2m6hrdlil
  • 9jfuajm96f6j3nm9js48qetpej
  • _uz2xewy0jrplxbffvgketku8n7e7him
  • google-site-verification=4iOB2D2P_VxcvFi6w69hh5OjfoTKw6RE9qnNumGCUeg
  • google-site-verification=R-tObAlSR0rMrl8AuR-eRMQOy0G5cRac4OjxnSkVrr8
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 nbkc.com

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits