door3.com

Valid Email Server
Domain Lookup › door3.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
door3.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-21 00:21:35 UTC · ↺ Refresh

MX Hostnames

  • mx.door3.com
  • alt4.aspmx.l.google.com
  • aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • alt2.aspmx.l.google.com

MX Priorities

No priority data.

A / AAAA Records

  • 104.21.3.111
  • 172.67.130.151
  • 2606:4700:3033::6815:36f
  • 2606:4700:3031::ac43:8297

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

rick.ns.cloudflare.com
zoe.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:authsmtp.com include:_spf.google.com include:mailgun.org include:amazonses.com include:emsd1.com include:476121.spf10.hubspotemail.net ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

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

DKIM Selectors

✓ 4 found
google._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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

9 records
  • SPFv=spf1 include:authsmtp.com include:_spf.google.com include:mailgun.org include:amazonses.com include:emsd1.com include:476121.spf10.hubspotemail.net ~all
  • M42OYLQR8l17vtznt3HrMJKPypoE7ejSQi1J4gCChTc=
  • amazonses:FXx9ydqjBpopdc7DC3ZkcodjGn40kPY8l6Cep9tx/EY=
  • atlassian-domain-verification=gEP8r9qS5YgP+K1mCBGzK/kzcGRT5VLF8CqRVYVLdrfscqECV5PwFv4DggizZet/
  • blitz=mu-d60756a0-701bbed9-16fccd1e-b386cdba
  • docusign=1f999437-7080-427e-861b-e3a0301ee0a6
  • google-site-verification=49lM0lu-xTQYDWAh3omRTxNgczbZSJWL-SLsdnGUZAw
  • google-site-verification=AT7nPAUEEgVaHERNH6XxeJORT7C0QAF2oIAygj-FLzs
  • google-site-verification=gzSCACbyfyxYAzGD5HXSwjO4kNN7l-aKjXXQg5kPDWo
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