ctb.pe

Valid Email Server
Domain Lookup › ctb.pe

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ctb.pe
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-27 05:25:18 UTC · ↺ Refresh

MX Hostnames

  • ctb-pe.mail.protection.outlook.com

MX Priorities

  • ctb-pe.mail.protection.outlook.com: 0

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
  • 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
  • 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
  • 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
  • 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com

SOA Record

Raw SOA mns01.domaincontrol.com dns.jomax.net 2025010900 28800 7200 604800 600
Primary NS (mname)
mns01.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025010900
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

mns02.domaincontrol.com
mns01.domaincontrol.com

SPF Record

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

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

6 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • 5l2bk5pmhv881a0d7jf5774shm
  • n0vub61hvnikdrt55k275r6un1
  • MS=ms74343540
  • kkg94acbrlpfdf5r0ogn0qfvh6
  • google-site-verification=jVy3ykmQKReTi_AMEuQuyF6JBOuCUbQulTiZ65E_Hos
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