treeknow.com

Valid Email Server
Domain Lookup › treeknow.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
treeknow.com
Yes
✓ Yes
Amazon SES
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 22:31:02 UTC · ↺ Refresh

MX Hostnames

  • inbound-smtp.us-east-1.amazonaws.com

MX Priorities

  • inbound-smtp.us-east-1.amazonaws.com: 10

A / AAAA Records

  • 44.207.177.16 ↩ ec2-44-207-177-16.compute-1.amazonaws.com

Mail Server IPs

  • 44.210.166.32 ↩ ec2-44-210-166-32.compute-1.amazonaws.com
  • 54.197.5.236 ↩ ec2-54-197-5-236.compute-1.amazonaws.com
  • 3.211.210.226 ↩ ec2-3-211-210-226.compute-1.amazonaws.com
  • 54.164.173.191 ↩ ec2-54-164-173-191.compute-1.amazonaws.com
  • 44.206.9.87 ↩ ec2-44-206-9-87.compute-1.amazonaws.com

SOA Record

Raw SOA ns-880.awsdns-46.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-880.awsdns-46.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-880.awsdns-46.net
ns-1320.awsdns-37.org
ns-1551.awsdns-01.co.uk
ns-414.awsdns-51.com

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;pct=100;fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

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

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

All TXT Records

1 record
  • brevo-code:2774e3f6b08679abe8373b3f0a23ebf6brevo-code:ba69901f6bbf007411c74d4711a1bc98v=spf1 include:spf.protection.outlook.com include:spf.brevo.com include:servers.mcsv.net -all
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