3tres3.com

Valid Email Server
Domain Lookup › 3tres3.com

Domain Overview

DNS: ✓ 23h ago Checker: ✓ 23h ago
3tres3.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-07-01 22:38:24 UTC · ↺ Refresh

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MX Hostnames

  • 3tres3-com.mail.protection.outlook.com

MX Priorities

  • 3tres3-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 52.85.31.101 ↩ server-52-85-31-101.jfk50.r.cloudfront.net
  • 52.85.31.25 ↩ server-52-85-31-25.jfk50.r.cloudfront.net
  • 52.85.31.117
  • 52.85.31.119

Mail Server IPs

  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com

SOA Record

Raw SOA ns-156.awsdns-19.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-156.awsdns-19.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1526.awsdns-62.org
ns-156.awsdns-19.com
ns-1707.awsdns-21.co.uk
ns-580.awsdns-08.net

SPF Record

✓ Strict (-all)
v=spf1 mx include:amazonses.com include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

3 records
  • MS=ms48913625
  • google-site-verification=F15mA-rxyKC_cQ-1GLeZ5u5Q524_z_CMBXH8IC1HkVE
  • SPFv=spf1 mx include:amazonses.com include:spf.protection.outlook.com -all
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