caliber-security.com

Valid Email Server
Domain Lookup › caliber-security.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
caliber-security.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 19:13:43 UTC · ↺ Refresh

MX Hostnames

  • calibersecurity-com01i.mail.protection.outlook.com

MX Priorities

  • calibersecurity-com01i.mail.protection.outlook.com: 0

A / AAAA Records

  • 89.106.200.1 ↩ edge.redirect.pizza
  • 2a12:5240::1 ↩ edge.redirect.pizza

Mail Server IPs

  • 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
  • 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
  • 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
  • 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com

SOA Record

Raw SOA dorthy.ns.cloudflare.com dns.cloudflare.com 2396796000 10000 2400 604800 1800
Primary NS (mname)
dorthy.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396796000
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

dorthy.ns.cloudflare.com
ed.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

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • 0ed1fe018a0b072ad3b09d4646b0aa8abfc92c71be
  • MS=ms47229454
Full email verification for caliber-security.com

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits