centroinc.com

Valid Email Server
Domain Lookup › centroinc.com

Domain Overview

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

Checked via [email protected] · 2026-03-18 07:09:07 UTC · ↺ Refresh

MX Hostnames

  • centroinc-com.mail.protection.outlook.com

MX Priorities

  • centroinc-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.21.29.14 (no PTR)
  • 172.67.148.72 (no PTR)
  • 2606:4700:3033::ac43:9448
  • 2606:4700:3036::6815:1d0e

Mail Server IPs

  • 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
  • 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
  • 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
  • 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA carlos.ns.cloudflare.com dns.cloudflare.com 2396932885 10000 2400 604800 1800
Primary NS (mname)
carlos.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396932885
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

carlos.ns.cloudflare.com
zoe.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:64.63.174.186 ip4:162.244.43.82 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 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

8 records
  • SPFv=spf1 ip4:64.63.174.186 ip4:162.244.43.82 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com ~all
  • MS=84FD577844A4B6AE2097E6318B60C838894AF101
  • MS=ms34260426
  • MS=ms39133553
  • MS=ms45645973
  • asv=9a47a8e8fda2d06c5f6f344898b2ab43
  • atlassian-domain-verification=jV469ScJIipc4e9p7iUuPjDzq42IvYfHPT3hiKYgUGU1gZjRsOzm4zV063RXuc47
  • n833f4h3r3nva3ec2q8c9ssqqn
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