Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hosthealthcare.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 22:12:41 UTC · ↺ Refresh
MX Hostnames
- hosthealthcare-com.mail.protection.outlook.com
MX Priorities
- hosthealthcare-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.35.154 (no PTR)
- 172.67.177.2 (no PTR)
- 2606:4700:3033::ac43:b102
- 2606:4700:3034::6815:239a
Mail Server IPs
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
SOA Record
Raw SOA
jerome.ns.cloudflare.com dns.cloudflare.com 2399069869 10000 2400 604800 1800
Primary NS (mname)
jerome.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399069869
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
jerome.ns.cloudflare.com
pat.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:99.78.99.209 include:sendgrid.net include:_spf.salesforce.com include:spf.protection.outlook.com include:spfa.cpmails.com include:20687274.spf10.hubspotemail.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100
✓ Reject — strongest protection
📋 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
5 records- SPFv=spf1 mx ip4:99.78.99.209 include:sendgrid.net include:_spf.salesforce.com include:spf.protection.outlook.com include:spfa.cpmails.com include:20687274.spf10.hubspotemail.net -all
- MS=ms82991850
- adobe-idp-site-verification=0aed9138b185a2e6c213efc9af239096b4c81f297067062083d30d470be3fa29
- atlassian-domain-verification=wJnNVOLlkGvBZIJv1phpp1n1TwUR/9AOLw3S26i5nCnLNXql3ACqshp/uETjsIlY
- ppe-edd3042f6a62e142fed0
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