courrierplus.com

Valid Email Server

Domain Overview

DNS: โœ“ just now Checker: โœ“ just now
courrierplus.com
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-06-03 10:32:41 UTC ยท โ†บ Refresh

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MX Hostnames

  • mx-cluster-ca03.hornetsecurity.com
  • mx-cluster-ca01.hornetsecurity.com
  • mx-cluster-ca-fallback.hornetsecurity.com
  • mx-cluster-ca02.hornetsecurity.com

MX Priorities

  • mx-cluster-ca01.hornetsecurity.com: 10
  • mx-cluster-ca02.hornetsecurity.com: 20
  • mx-cluster-ca03.hornetsecurity.com: 30
  • mx-cluster-ca-fallback.hornetsecurity.com: 40

A / AAAA Records

  • 67.205.73.248 โ†ฉ 47109a45.panelvps.net

Mail Server IPs

  • 108.163.133.231 (no PTR)
  • 209.172.38.68 (no PTR)
  • 94.100.132.8 โ†ฉ mx01.hornetsecurity.com

SOA Record

Raw SOA garrett.ns.cloudflare.com dns.cloudflare.com 2402834002 10000 2400 604800 1800
Primary NS (mname)
garrett.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2402834002
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

magnolia.ns.cloudflare.com
garrett.ns.cloudflare.com

SPF Record

โœ“ Strict (-all)
v=spf1 ip4:207.253.5.18/28 include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
๐Ÿ“Š DNS lookups: 2/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ— p=none
v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;rf=afrf;ri=86400;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected];fo=1:d:s
โš  p=none โ€” monitoring only, no enforcement
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected],mailto:[email protected]
โ†ณ Subdomain policy: none

DKIM Selectors

โœ“ 1 found
mail._domainkey
โœ“ Public key: 216 chars (valid)
โœ“ DKIM properly configured for selector: mail

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

All TXT Records

4 records
  • MS=2148E0EE1B44041BF9F37E91959339A446356CE8
  • brevo-code:6a75e00ff5fd55f58bb866dfe600619a
  • jg87vwybs61x9td4sf21sk2lvh7x51t3
  • SPFv=spf1 ip4:207.253.5.18/28 include:spf.protection.outlook.com include:spf.hornetsecurity.com -all
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