tsuldesign.com

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

Domain Overview

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

Checked via [email protected] · 2026-06-03 10:31:15 UTC · ↺ Refresh

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MX Hostnames

  • mx2c40.carrierzone.com
  • mx1c40.carrierzone.com
  • mx3c40.carrierzone.com

MX Priorities

  • mx2c40.carrierzone.com: 10
  • mx1c40.carrierzone.com: 100
  • mx3c40.carrierzone.com: 110

A / AAAA Records

  • 13.57.166.128 ↩ ec2-13-57-166-128.us-west-1.compute.amazonaws.com
  • 52.9.148.58 ↩ ec2-52-9-148-58.us-west-1.compute.amazonaws.com

Mail Server IPs

  • 64.29.151.237 ↩ mx2c40.carrierzone.com
  • 64.29.151.236 ↩ mx1c40.carrierzone.com
  • 64.29.151.238 ↩ mx3c40.carrierzone.com

SOA Record

Raw SOA ns-764.awsdns-31.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-764.awsdns-31.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-263.awsdns-32.com
ns-764.awsdns-31.net
ns-1459.awsdns-54.org
ns-1594.awsdns-07.co.uk

SPF Record

✓ Soft Fail (~all)
v=spf1 mx include:mktomail.com include:spf.mandrillapp.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

1 record
  • SPFv=spf1 mx include:mktomail.com include:spf.mandrillapp.com ~all
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