t-3.com

Valid Email Server
Domain Lookup › t-3.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
t-3.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-29 05:35:33 UTC · ↺ Refresh

MX Hostnames

  • mxb-0038b901.gslb.pphosted.com
  • mxa-0038b901.gslb.pphosted.com

MX Priorities

  • mxb-0038b901.gslb.pphosted.com: 10
  • mxa-0038b901.gslb.pphosted.com: 10

A / AAAA Records

  • 141.193.213.10 (no PTR)
  • 141.193.213.11 (no PTR)

Mail Server IPs

  • 148.163.133.136 ↩ mx0a-0038b901.pphosted.com

SOA Record

Raw SOA dns1.registrar-servers.com hostmaster.registrar-servers.com 1771915126 43200 3600 604800 3601
Primary NS (mname)
dns1.registrar-servers.com
Admin Email (rname)
hostmaster@registrar-servers.com
Serial
1771915126
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
3601s

Nameservers (NS)

dns1.registrar-servers.com
dns2.registrar-servers.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com ip4:209.163.145.31 ip4:209.163.145.2 ip4:174.143.205.195 include:spf-0038b901.pphosted.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

11 records
  • SPFv=spf1 include:_spf.google.com ip4:209.163.145.31 ip4:209.163.145.2 ip4:174.143.205.195 include:spf-0038b901.pphosted.com include:spf.protection.outlook.com ~all
  • MS=ms25501899
  • _dl8xoscfdjn7y1dekeoejrp9oz8xv84
  • _ls7e0md8kqe9ryuafyjawtb559ihtiz
  • apple-domain-verification=9db5uaDmlFMxn73e
  • whimsical=4a8476f825670841f29165d20a4888a820575e13
  • miro-verification=38cf3640f22168b7ad74a317b345330873dd2e3d
  • facebook-domain-verification=rs3s3mnl61wefx2j6eevfksg1rr6ku
  • atlassian-domain-verification=KV2R39lRx1b9t31UGuXEOsUxWryZwS8z5r309XnaUWPTNV6nkRrSS7YZoRqymRIa
  • atlassian-domain-verification=gUtyZ5PYKM/qYpbSE2zo1P89EaUP9fQIuJpdSc0tR3MSmLrRu1TjbFi2lxGTF1Wt
  • postman-domain-verification=dc3b1c01a9c9e50797202216b1d879783a325227bf448a068e7bbe29c2dc00b646a8efc3e35ba4293df4078e6e2dbed89a0ef62c2fa38a9a58dec72987d10928
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for t-3.com

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits