Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
houstonortho.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 14:50:20 UTC · ↺ Refresh
MX Hostnames
- houstonortho-com.mail.protection.outlook.com
MX Priorities
- houstonortho-com.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.11 (no PTR)
- 141.193.213.10 (no PTR)
Mail Server IPs
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
SOA Record
Raw SOA
ns67.domaincontrol.com dns.jomax.net 2026031201 28800 7200 604800 600
Primary NS (mname)
ns67.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026031201
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns67.domaincontrol.com
ns68.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:emsd1.com include:relay.mailchannels.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 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
6 records- knowbe4-site-verification=fa031a06734d3d08096ccc6f7720c181
- SPFv=spf1 include:spf.protection.outlook.com include:emsd1.com include:relay.mailchannels.net -all
- MS=ms14676873
- google-site-verification=oJXM3XS_bf7Vbwsf0vId6gISFFgmyk_GdIGetl4bw8I
- facebook-domain-verification=dfj6kdcamm1wnie2eijoxi6y1f3hc1
- MS=ms54509998
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