centroalum.com

Valid Email Server
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
centroalum.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-23 02:26:17 UTC · ↺ Refresh

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MX Hostnames

  • centroalum-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 104.26.4.229 (no PTR)
  • 104.26.5.229 (no PTR)
  • 172.67.68.72
  • 2606:4700:20::681a:5e5
  • 2606:4700:20::681a:4e5
  • 2606:4700:20::ac43:4448

Mail Server IPs

  • 52.101.103.162 ↩ mail-miypr03cu00202.inbound.protection.outlook.com
  • 52.101.209.31 ↩ mail-cpjpr05cu00207.inbound.protection.outlook.com
  • 52.101.73.145 ↩ mail-am6pr02cu00301.inbound.protection.outlook.com
  • 52.101.73.126 ↩ mail-am8pr83cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::26 ↩ mail-am8pr83cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c::6 ↩ mail-zrxpr04cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca48::c ↩ mail-miypr03cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:c967::c ↩ mail-cpjpr05cu00204.inbound.protection.outlook.com

SOA Record

Raw SOA desi.ns.cloudflare.com dns.cloudflare.com 2415568407 10000 2400 604800 1800
Primary NS (mname)
desi.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2415568407
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

desi.ns.cloudflare.com
john.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua= mailto:[email protected]
✓ Reject — strongest protection
📋 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

15 records
  • BPL=4789901
  • BPL=5461465
  • BPL=5961198
  • BPL=6189397
  • BPL=6255926
  • BPL=8018561
  • MS=83633AF486D04CA96D85042C524D01FC712736CE
  • MS=ms60305759
  • knowbe4-site-verification=fceb6359cb00284f91c02be4bb5a43c2
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • BPL=1489744
  • BPL=3084667
  • BPL=3182907
  • BPL=3671952
  • BPL=4774692
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