Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
markjmillercpa.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 13:59:40 UTC · ↺ Refresh
MX Hostnames
- markjmillercpa-com.mail.protection.outlook.com
MX Priorities
- markjmillercpa-com.mail.protection.outlook.com: 0
A / AAAA Records
- 52.5.206.218 ↩ ec2-52-5-206-218.compute-1.amazonaws.com
- 3.220.225.62 ↩ ec2-3-220-225-62.compute-1.amazonaws.com
- 3.225.142.148
Mail Server IPs
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1300.awsdns-34.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1300.awsdns-34.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1300.awsdns-34.org
ns-1635.awsdns-12.co.uk
ns-354.awsdns-44.com
ns-536.awsdns-03.net
SPF Record
✓ Strict (-all)
v=spf1 mx include:secureserver.net -all
📊 DNS lookups: 2/10
✓ 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 mx include:secureserver.net -all
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