catboor.com

Valid Email Server
Domain Lookup › catboor.com

Domain Overview

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

Checked via [email protected] · 2026-03-24 18:12:25 UTC · ↺ Refresh

MX Hostnames

  • catboor-com.mail.protection.outlook.com

MX Priorities

  • catboor-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 69.164.195.108 ↩ 69-164-195-108.ip.linodeusercontent.com
  • 2600:3c00::f03c:93ff:fe41:cd79 (no PTR)

Mail Server IPs

  • 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
  • 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
  • 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
  • 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com

SOA Record

Raw SOA dns101.register.com root.register.com 124072519 10800 3600 604800 3600
Primary NS (mname)
dns101.register.com
Admin Email (rname)
root@register.com
Serial
124072519
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns102.register.com
dns101.register.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:50.76.92.30/30 ip4:167.68.17.96/32 ip4:167.68.16.96/32 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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

3 records
  • MS=ms25071527
  • SPFv=spf1 ip4:50.76.92.30/30 ip4:167.68.17.96/32 ip4:167.68.16.96/32 include:spf.protection.outlook.com -all
  • google-site-verification=zzIwh4dvE-8rp2C5VrRoZ6HJqHdkgXtMXOuRY6vom0g
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