Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
caliberre.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 01:09:04 UTC · ↺ Refresh
MX Hostnames
- caliberre-com.mail.protection.outlook.com
MX Priorities
- caliberre-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.66.1.125 (no PTR)
- 162.159.141.129 (no PTR)
- 2606:4700:7::179
- 2a06:98c1:58::179
Mail Server IPs
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
SOA Record
Raw SOA
ingrid.ns.cloudflare.com dns.cloudflare.com 2397386428 10000 2400 604800 1800
Primary NS (mname)
ingrid.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397386428
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
nile.ns.cloudflare.com
ingrid.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:sendgrid.net include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:sendgrid.net include:spf.protection.outlook.com -all
- ca3-6cf14abf27f84045a0536650c6b196a6
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