Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
calcpaexpert.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 10:49:53 UTC · ↺ Refresh
MX Hostnames
- calcpaexpert-com.mail.protection.outlook.com
MX Priorities
- calcpaexpert-com.mail.protection.outlook.com: 1
A / AAAA Records
- 198.185.159.145 (no PTR)
- 198.185.159.144 (no PTR)
- 198.49.23.144
- 198.49.23.145
Mail Server IPs
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.worldnic.com namehost.worldnic.com 119041713 10800 3600 604800 3600
Primary NS (mname)
ns1.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
119041713
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns2.worldnic.com
ns1.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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
1 record- SPFv=spf1 include:spf.protection.outlook.com -all
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