metrostarsystems.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
metrostarsystems.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 21:18:21 UTC · ↺ Refresh

MX Hostnames

  • metrostarsystems-com.mail.protection.outlook.com

MX Priorities

  • metrostarsystems-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 35.229.66.168 ↩ 168.66.229.35.bc.googleusercontent.com

Mail Server IPs

  • 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
  • 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns-550.awsdns-04.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-550.awsdns-04.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-325.awsdns-40.com
ns-550.awsdns-04.net
ns-1492.awsdns-58.org
ns-1738.awsdns-25.co.uk

SPF Record

✓ Strict (-all)
v=spf1 ip4:208.46.123.86 ip4:208.46.123.87 ip4:50.232.66.115 ip4:50.232.66.116 a:7196770.spf02.hubspotemail.net a:dispatch-us.ppe-hosted.com include:mg-spf.greenhouse.io include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

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

10 records
  • _25ial61tz750qddde7l8n2pie42o61r
  • apple-domain-verification=8oJrdSZ2u5KzS1rJ
  • atlassian-domain-verification=6jYzZK50DZpH26xIgllU0qANYS3F8hwgf4y3qlu9Gh65l3w9uIL48OCqRyu7VrE3
  • h406p25ww30fp0j528c65z7w81gf5z1t
  • j15bs4csymzpn05swm7l7hc7mjjtr0bp
  • slack-domain-verification=76o5du8ZfPR5KUMvzjGeF4sCrHm1bCueNM1W5wAh
  • sophos-domain-verification=ed5008859f793e66630cb1032fb344f4fa648b2fa47a998d3c974d8915715faa
  • twilio-domain-verification=bb7904655cd36712474b1e826a1789a7
  • SPFv=spf1 ip4:208.46.123.86 ip4:208.46.123.87 ip4:50.232.66.115 ip4:50.232.66.116 a:7196770.spf02.hubspotemail.net a:dispatch-us.ppe-hosted.com include:mg-spf.greenhouse.io include:spf.protection.outlook.com -all
  • 9lzz46zl9sym2xwdx1y7zvmphp10flt9
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