Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
jmgsecurity.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-06 12:52:24 UTC · ↺ Refresh
MX Hostnames
- mx-cluster-usa03.hornetsecurity.com
- mx-cluster-usa02.hornetsecurity.com
- mx-cluster-usa01.hornetsecurity.com
- mx-cluster-usa04.hornetsecurity.com
MX Priorities
- mx-cluster-usa03.hornetsecurity.com: 30
- mx-cluster-usa04.hornetsecurity.com: 40
- mx-cluster-usa01.hornetsecurity.com: 10
- mx-cluster-usa02.hornetsecurity.com: 20
A / AAAA Records
- 54.153.52.247 ↩ ec2-54-153-52-247.us-west-1.compute.amazonaws.com
Mail Server IPs
- 173.45.18.100 ↩ hsmx01-hz5.hornetsecurity.com
SOA Record
Raw SOA
hal.ns.cloudflare.com dns.cloudflare.com 2399592915 10000 2400 604800 1800
Primary NS (mname)
hal.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399592915
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
hal.ns.cloudflare.com
kara.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.hornetsecurity.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=reject; fo=1; ri=259200; adkim=r; aspf=r;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._domainkey
✓ Public key: 216 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- apple-domain-verification=pxnvBWXaPOruDs6g
- brevo-code:c329de804f2413eda6d71ca15ffb0034
- globalsign-domain-verification=SQ8TWhb92-YJfGC3dquwUNpOF2p8Cpw-M_LKXuRmcv
- google-site-verification=hoZNtCKkXAH95m-53qo_99wiztipnkQT8wLEB-OBg3k
- SPFv=spf1 include:spf.hornetsecurity.com include:spf.protection.outlook.com -all
- MS=ms40750898
Full email verification for jmgsecurity.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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