knoxsystems.com

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
knoxsystems.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 03:40:26 UTC · ↺ Refresh

MX Hostnames

  • alt1.aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • aspmx.l.google.com

MX Priorities

No priority data.

A / AAAA Records

  • 198.202.211.1

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns-109.awsdns-13.com
ns-1340.awsdns-39.org
ns-2031.awsdns-61.co.uk
ns-627.awsdns-14.net

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:48692869.spf10.hubspotemail.net ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 1 found
google._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google

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

All TXT Records

16 records
  • rippling-domain-verification=33e9052d0635851d
  • slack-domain-verification=NCR4MsIcbINtZyxEKKpy5VDNQFOu0PmWtIe2bl1s
  • SPFv=spf1 include:_spf.google.com include:48692869.spf10.hubspotemail.net ~all
  • MS=ms63181869
  • anthropic-domain-verification-pse8at=aH5f1roGaF8tNODXjeBoagcla
  • apple-domain-verification=5jZhjZbJujhfFT7h
  • atlassian-domain-verification=S0aswlMPJIt0No9LI9Salh4tj6NW1psRjm1mE5QUWFZknv7BBxaPPNzSFGrQtiSF
  • attio-domain-verification=A3HD7EQEP2RXDD8296CXFTMD
  • docusign=1735ad2a-5791-46ae-a2e3-195ea1879cec
  • google-site-verification=8YVAtVSX6WqdAgHvl4oS9vW8N8RJ6AoTVBK26AA7et8
  • google-site-verification=ENMd8vu2JK5EbM9w6ElOpX2h87qUCZXUD4mIkJafPFs
  • google-site-verification=JKhPgpyHnLoXPVr-uXZdjDRv-DZkCfJD84npFpJc_WY
  • google-site-verification=vlfjNJg7EbUXwMDMNEEqvqIiCxp3YszWYiGxosS2qSU
  • mongodb-site-verification=EmFCMiqSl328WLo3hE8xLbjtOdM1H9p4
  • notion-domain-verification=5B8amWVszIuaBIJXsmO3ZjtviEfRgAmwTV0pXvHRCFf
  • openai-domain-verification=dv-oZ4ECxMloQeEN8RmPvTm266y
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