knoxfloors.com

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-30 21:39:47 UTC · ↺ Refresh

MX Hostnames

  • knoxfloors-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 54.187.3.83 ↩ ec2-54-187-3-83.us-west-2.compute.amazonaws.com

Mail Server IPs

  • 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
  • 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
  • 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
  • 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA ns27.domaincontrol.com dns.jomax.net 2025070300 28800 7200 604800 600
Primary NS (mname)
ns27.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025070300
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns27.domaincontrol.com
ns28.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:secureserver.net include:relay.qfloors.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

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

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

All TXT Records

5 records
  • facebook-domain-verification=6n1zsu50ev0gczz44hfrmya0zswynd
  • pop.secureserver.net include:relay.qfloors.com
  • google-site-verification=S6o2kJKlv89bI1bGbToB7cXou7Ku3ooSms4j1Rx52W4
  • SPFv=spf1 include:secureserver.net include:relay.qfloors.com -all
  • NETORGFT10535120.onmicrosoft.com
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 knoxfloors.com

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

No credit card required
Get 1,000 Free Credits