tstar.net

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
tstar.net
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-03-25 20:14:13 UTC ยท โ†บ Refresh

MX Hostnames

  • mx4c28.carrierzone.com
  • mx2c28.carrierzone.com
  • mx3c28.carrierzone.com
  • mx1c28.carrierzone.com

MX Priorities

  • mx2c28.carrierzone.com: 100
  • mx4c28.carrierzone.com: 120
  • mx3c28.carrierzone.com: 110
  • mx1c28.carrierzone.com: 10

A / AAAA Records

  • 54.71.103.102 โ†ฉ ec2-54-71-103-102.us-west-2.compute.amazonaws.com

Mail Server IPs

  • 66.226.70.79 โ†ฉ mx2c28.carrierzone.com
  • 66.226.70.73 โ†ฉ mx4c28.carrierzone.com
  • 66.226.70.72 โ†ฉ mx3c28.carrierzone.com
  • 66.226.70.78 โ†ฉ mx1c28.carrierzone.com

SOA Record

Raw SOA ns1.carrierzone.com postmaster.carrierzone.com 2026022002 86400 300 3600000 300
Primary NS (mname)
ns1.carrierzone.com
Admin Email (rname)
postmaster@carrierzone.com
Serial
2026022002
Refresh
86400s
Retry
300s
Expire
3600000s
Minimum TTL
300s

Nameservers (NS)

ns1.carrierzone.com
ns2.carrierzone.com
ns4.carrierzone.com
ns3.carrierzone.com

SPF Record

โœ“ Soft Fail (~all)
v=spf1 include:spfc28.carrierzone.com ~all
๐Ÿ“Š DNS lookups: 1/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

โœ— p=none
v=DMARC1; p=none; [email protected]; ruf=mailto:[email protected]; sp=none; fo=1;
โš  p=none โ€” monitoring only, no enforcement
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ [email protected]
โ†ณ Subdomain policy: none

DKIM Selectors

โœ— None detected

No DKIM records found for common selectors โ€” 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

1 record
  • SPFv=spf1 include:spfc28.carrierzone.com ~all
Full email verification for tstar.net

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits