x-caliber.com

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
x-caliber.com
Yes
โœ“ Yes
Proofpoint
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-25 04:50:58 UTC ยท โ†บ Refresh

MX Hostnames

  • mxa-009df101.gslb.pphosted.com
  • mxb-009df101.gslb.pphosted.com

MX Priorities

  • mxa-009df101.gslb.pphosted.com: 10
  • mxb-009df101.gslb.pphosted.com: 10

A / AAAA Records

  • 104.19.154.92 (no PTR)

Mail Server IPs

  • 66.159.239.206 โ†ฉ mx0b-009df101.pphosted.com
  • 66.159.241.234 โ†ฉ mx0a-009df101.pphosted.com

SOA Record

Raw SOA ns71.domaincontrol.com dns.jomax.net 2025120800 28800 7200 604800 600
Primary NS (mname)
ns71.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025120800
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns72.domaincontrol.com
ns71.domaincontrol.com

SPF Record

โœ“ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.us.exclaimer.net include:mailgun.org include:hubspotemail.net include:b3bedeb6-spf.mta.tessian-gw.com include:spf-009df101.pphosted.com ip4:23.21.109.197 ip4:23.21.109.212 ip4:147.160.167.0/26 -all
๐Ÿ“Š DNS lookups: 6/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ“ Reject
v=DMARC1;p=reject;fo=1;rua=mailto:[email protected];ruf=mailto:[email protected];pct=10
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]
โš  Policy applies to 10% of failing messages only

DKIM Selectors

โœ“ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
โœ“ Public key: 392 chars (valid)
โœ“ DKIM properly configured for selector: selector1

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

All TXT Records

4 records
  • MS=ms54600341
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.us.exclaimer.net include:mailgun.org include:hubspotemail.net include:b3bedeb6-spf.mta.tessian-gw.com include:spf-009df101.pphosted.com ip4:23.21.109.197 ip4:23.21.109.212 ip4:147.160.167.0/26 -all
  • sophos-domain-verification=6fb16d8c5b646252ee95496361ff93cb53348101
  • pandadoc-domain-verification=E8eGkqP8uungcDLfjNEyLX
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