frsws.com.br

Valid Email Server
Domain Lookup › frsws.com.br

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
frsws.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-27 03:04:52 UTC · ↺ Refresh

MX Hostnames

  • frsws-com-br.mail.protection.outlook.com

MX Priorities

  • frsws-com-br.mail.protection.outlook.com: 0

A / AAAA Records

  • 18.164.116.29 ↩ server-18-164-116-29.jfk50.r.cloudfront.net
  • 18.164.116.36 ↩ server-18-164-116-36.jfk50.r.cloudfront.net
  • 18.164.116.49
  • 18.164.116.15

Mail Server IPs

  • 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
  • 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
  • 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
  • 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
  • 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com

SOA Record

Raw SOA ns-937.awsdns-53.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-937.awsdns-53.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1739.awsdns-25.co.uk
ns-42.awsdns-05.com
ns-937.awsdns-53.net
ns-1315.awsdns-36.org

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:zcsend.net ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate 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

4 records
  • mscid=tMr9Q+esWxaKMDcXU/nS8lYXDYMYLa+UdQlGqX4GF+32hd4N0/9UufT6Wx96TqgyAif1/uPu9eJdSsgF4yKP9Q==
  • SPFv=spf1 include:spf.protection.outlook.com include:zcsend.net ~all
  • MS=ms42878967
  • google-site-verification=66HrTybbX-MCVyzQtWJ27nUp5XHtamQdbFSj6w4EHOs
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