Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rigdonconstruction.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 08:35:27 UTC · ↺ Refresh
MX Hostnames
- rigdonconstruction-com.mail.protection.outlook.com
MX Priorities
- rigdonconstruction-com.mail.protection.outlook.com: 0
A / AAAA Records
- 139.162.210.150 ↩ lb1-s293-pub.pressidium.com
Mail Server IPs
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns39.domaincontrol.com dns.jomax.net 2026021701 28800 7200 604800 600
Primary NS (mname)
ns39.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026021701
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns39.domaincontrol.com
ns40.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spfa.cpmails.com include:relay.mailchannels.net include:_spf.psm.knowbe4.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
2 records- knowbe4-site-verification=63b3cb509dd75ed7fa8b5bbb41c0207d
- SPFv=spf1 include:spf.protection.outlook.com include:spfa.cpmails.com include:relay.mailchannels.net include:_spf.psm.knowbe4.com -all
Full email verification for rigdonconstruction.com
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