Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
usthealthproof.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 04:45:55 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 1
- us-smtp-inbound-2.mimecast.com: 1
A / AAAA Records
- 23.185.0.4 (no PTR)
- 2620:12a:8001::4 (no PTR)
- 2620:12a:8000::4 (no PTR)
Mail Server IPs
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns21.domaincontrol.com dns.jomax.net 2026021000 28800 7200 604800 600
Primary NS (mname)
ns21.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026021000
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns22.domaincontrol.com
ns21.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:172.179.71.30 ip4:35.231.159.228 ip4:34.145.251.44 include:20454982.spf03.hubspotemail.net include:spf.protection.outlook.com include:_netblocks.mimecast.com include:sendgrid.net include:amazonses.com include:_spf.salesforce.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
s1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
11 records- smartsheet-site-validation=jDctdPRzUZhJNFnMy5FcNl51nB41tns0
- MS=ms39166683
- 0ed1fe018a5ab0f00425804eac94a52047f5e5918a
- anthropic-domain-verification-qap58m=K6r6Q8f6Ea2La8ZaJuxJXGF6o
- apple-domain-verification=TyB8pF11kDYPeYcq
- google-site-verification=YUcoT4ka6YdB9YDK9Vll8NwMUBXBusRokePeGd0tYUQ
- atlassian-domain-verification=STc3NqDPZW1i/S2WVJpZL/6wisFu/0PDf9BSHaagboIn1dx6sd7uJPKhItG8i0pW
- SPFv=spf1 ip4:172.179.71.30 ip4:35.231.159.228 ip4:34.145.251.44 include:20454982.spf03.hubspotemail.net include:spf.protection.outlook.com include:_netblocks.mimecast.com include:sendgrid.net include:amazonses.com include:_spf.salesforce.com -all
- _4oaqfnccxpadyg0nrut0itwplpezkdx
- google-site-verification=XFNqINPRqbj6oi0S8ZafxdtgZRqGJ3XNpRlBpazlwZ4
- MS=ms76902282
Full email verification for usthealthproof.com
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