knownonline.com

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

Domain Overview

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

Checked via [email protected] · 2026-05-21 00:34:10 UTC · ↺ Refresh

MX Hostnames

  • aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • aspmx3.googlemail.com
  • aspmx2.googlemail.com
  • alt2.aspmx.l.google.com
  • aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • alt3.aspmx.l.google.com

MX Priorities

No priority data.

A / AAAA Records

  • 162.159.135.42

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

pdns05.domaincontrol.com
pdns06.domaincontrol.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:musvc.com include:47977542.spf02.hubspotemail.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

4 records
  • linkedin-site-verification=cb9cef26-bbe0-497f-b05b-ab4405c9622e
  • ca3-65f1b2364cd149ca9201f95b60d88b1a
  • SPFv=spf1 include:_spf.google.com include:musvc.com include:47977542.spf02.hubspotemail.net ~all
  • ca3-d331347ca96b41d78fd763f8d206536f
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