emast.co

Valid Email Server
Domain Lookup › emast.co

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
emast.co
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-31 10:23:28 UTC · ↺ Refresh

MX Hostnames

  • emast-co.mail.protection.outlook.com
  • alt2.aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • alt4.aspmx.l.google.com

MX Priorities

  • alt2.aspmx.l.google.com: 5
  • alt4.aspmx.l.google.com: 10
  • emast-co.mail.protection.outlook.com: 1
  • alt1.aspmx.l.google.com: 5

A / AAAA Records

  • 15.197.225.128
  • 3.33.251.168

Mail Server IPs

  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
  • 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
  • 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
  • 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c802::
  • 2a01:111:f403:c946::1
  • 108.177.123.27
  • 2800:3f0:4003:c0f::1b

SOA Record

Raw SOA ns57.domaincontrol.com dns.jomax.net 2026022300 28800 7200 604800 600
Primary NS (mname)
ns57.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026022300
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns58.domaincontrol.com
ns57.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.mailjet.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

6 records
  • ca3-718c1f4f26c9404cbb44084a81394968
  • google-site-verification=6j8AvFxQr24HKoYzVvB8QT_rRjGEIgeWnBWGP3Ifkr4
  • SPFv=spf1 include:spf.mailjet.com include:spf.protection.outlook.com -all
  • MS=737BA837170EA5D641B5BFC24C549CFBCDCFDA6C
  • pymeerp.azurewebsites.net
  • ms-domain-verification=ca637381-918b-4d49-948a-e786768fe187
Full email verification for emast.co

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits