mrcgene.com

Valid Email Server
Domain Lookup › mrcgene.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
mrcgene.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-04 15:19:33 UTC · ↺ Refresh

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MX Hostnames

  • mx-cluster-usa02.hornetsecurity.com
  • mx-cluster-usa03.hornetsecurity.com
  • mx-cluster-usa04.hornetsecurity.com
  • mx-cluster-usa01.hornetsecurity.com

MX Priorities

  • mx-cluster-usa01.hornetsecurity.com: 10
  • mx-cluster-usa02.hornetsecurity.com: 20
  • mx-cluster-usa03.hornetsecurity.com: 30
  • mx-cluster-usa04.hornetsecurity.com: 40

A / AAAA Records

  • 104.21.9.33 (no PTR)
  • 172.67.141.106 (no PTR)
  • 2606:4700:3035::ac43:8d6a (no PTR)
  • 2606:4700:3035::6815:921 (no PTR)

Mail Server IPs

  • 173.45.18.100 ↩ hsmx01-hz5.hornetsecurity.com

SOA Record

Raw SOA connie.ns.cloudflare.com dns.cloudflare.com 2413294312 10000 2400 604800 1800
Primary NS (mname)
connie.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2413294312
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

kellen.ns.cloudflare.com
connie.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 +a +mx +a:us185.siteground.us include:spf.protection.outlook.com include:spf.hornetsecurity.com include:mrcgene.com.spf.auto.dnssmarthost.net ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; aspf=r; adkim=r; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • MS=ms50503143
  • SPFv=spf1 +a +mx +a:us185.siteground.us include:spf.protection.outlook.com include:spf.hornetsecurity.com include:mrcgene.com.spf.auto.dnssmarthost.net ~all
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