caliberhsolutions.com

Valid Email Server
Domain Lookup › caliberhsolutions.com

Domain Overview

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

Checked via [email protected] · 2026-03-27 10:52:41 UTC · ↺ Refresh

MX Hostnames

  • caliberhsolutions-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 104.21.3.173 (no PTR)
  • 172.67.130.250 (no PTR)
  • 2606:4700:3033::6815:3ad
  • 2606:4700:3032::ac43:82fa

Mail Server IPs

  • 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
  • 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
  • 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com

SOA Record

Raw SOA fred.ns.cloudflare.com dns.cloudflare.com 2399145881 10000 2400 604800 1800
Primary NS (mname)
fred.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399145881
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

fred.ns.cloudflare.com
megan.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

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

5 records
  • google-site-verification=4Iybl_P3lp1_799cENRvRNDX9v9zPjtQKT8OWdayd4Q
  • google-site-verification=axi9bSAPpczj9I3udd2sfeb_79RMxv9Phf5skNrX01I
  • proxy-ssl.webflow.com.
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms87121098
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