Domain Overview
DNS: ✓ 14h ago
Checker: ✓ 14h ago
prepcon.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-10-04 02:26:10 UTC · ↺ Refresh
MX Hostnames
- prepcon-com.mail.protection.outlook.com
MX Priorities
- prepcon-com.mail.protection.outlook.com: 0
A / AAAA Records
- 160.153.0.102 ↩ 102.0.153.160.host.secureserver.net
Mail Server IPs
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.9.87 ↩ mail-bl2pr02cu00507.inbound.protection.outlook.com
- 52.101.42.81 ↩ mail-ea2pr04cu00101.inbound.protection.outlook.com
- 52.101.42.87 ↩ mail-co2pr03cu00207.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c918::5 ↩ mail-byapr05cu00805.inbound.protection.outlook.com
- 2a01:111:f403:c936::1 ↩ mail-cy4pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f804::7 ↩ mail-co2pr03cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
ns41.domaincontrol.com dns.jomax.net 2026051404 28800 7200 604800 600
Primary NS (mname)
ns41.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026051404
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns42.domaincontrol.com
ns41.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
4 records- google-site-verification=XWeM51ZdiuG7EQrsooaXe6qppFMVVv_QA3NbvbrVt2s
- SPFv=spf1 include:spf.protection.outlook.com -all
- ca3-0d286418b96349228f22825a90e8ce7a
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