55pbx.com.br

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
55pbx.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-02 11:21:41 UTC · ↺ Refresh

MX Hostnames

  • 55pbx-com-br.mail.protection.outlook.com

MX Priorities

  • 55pbx-com-br.mail.protection.outlook.com: 0

A / AAAA Records

  • 187.29.241.10 ↩ admin.55pbx.com
  • 179.131.30.10 (no PTR)

Mail Server IPs

  • 52.101.198.0 ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
  • 52.101.198.1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com
  • 52.101.200.0 ↩ mail-roap284cu02600.inbound.protection.outlook.com
  • 52.101.198.38 ↩ mail-cp3p284cu00706.inbound.protection.outlook.com
  • 2a01:111:f403:c94a::1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:c94c:: ↩ mail-roap284cu02600.inbound.protection.outlook.com
  • 2a01:111:f403:c94a:: ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
  • 2a01:111:f403:c94a::2 ↩ mail-cp3p284cu00702.inbound.protection.outlook.com

SOA Record

Raw SOA edna.ns.cloudflare.com dns.cloudflare.com 2399939629 10000 2400 604800 1800
Primary NS (mname)
edna.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399939629
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

edna.ns.cloudflare.com
logan.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx ip4:187.29.241.0/24 ip4:179.131.30.0/24 ip4:45.236.56.0/23 include:spf.mandrillapp.com include:_spf.salesforce.com include:_spf.rdstation.com.br include:spf.mail01.mtsvc.net include:spf.protection.outlook.com ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]; [email protected]; rf=afrf; pct=100; ri=14400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

✓ 3 found
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

8 records
  • MS=ms55565026
  • ai9p3344anu121jqcfkvbimhl5
  • atlassian-domain-verification=X1Lg9OcxuQ1h2d0ykKe08Rnlv3LT9oFdCb8FS4xVQbHAwB/9xlj80cgzlS2VfRBD
  • n09i1tlmadgefnondgf5lvt15q
  • rgp38knk8ng5lcqc5mmbonv5m3
  • SPFv=spf1 a mx ip4:187.29.241.0/24 ip4:179.131.30.0/24 ip4:45.236.56.0/23 include:spf.mandrillapp.com include:_spf.salesforce.com include:_spf.rdstation.com.br include:spf.mail01.mtsvc.net include:spf.protection.outlook.com ~all
  • 8p73hbg36spfbnnme0i6s568vh
  • MS=ms14781267
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