becoinc.biz

Valid Email Server
Domain Lookup › becoinc.biz

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
becoinc.biz
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 20:28:47 UTC · ↺ Refresh

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MX Hostnames

  • us-smtp-inbound-2.mimecast.com
  • us-smtp-inbound-1.mimecast.com

MX Priorities

  • us-smtp-inbound-1.mimecast.com: 10
  • us-smtp-inbound-2.mimecast.com: 10

A / AAAA Records

  • 66.37.233.151 ↩ mail2.drtshared.com

Mail Server IPs

  • 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com

SOA Record

Raw SOA dns1.registrar-servers.com hostmaster.registrar-servers.com 1754700255 43200 3600 604800 3601
Primary NS (mname)
dns1.registrar-servers.com
Admin Email (rname)
hostmaster@registrar-servers.com
Serial
1754700255
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
3601s

Nameservers (NS)

dns1.registrar-servers.com
dns2.registrar-servers.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:66.37.233.144/28 ip4:4.1.237.0/28 ip4:162.247.130.240/28 include:spf.protection.outlook.com include:mailgun.org include:us._netblocks.mimecast.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1:d:s
~ 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

4 records
  • MS=ms93644792
  • 0ed1fe018a0c97ef15cf46464c8d61c32ea6e22133
  • SPFv=spf1 ip4:66.37.233.144/28 ip4:4.1.237.0/28 ip4:162.247.130.240/28 include:spf.protection.outlook.com include:mailgun.org include:us._netblocks.mimecast.com -all
  • MS=ms38619334
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