macau.ctm.net

Valid Email Server

Domain Overview

DNS: ✓ 20d ago Checker: ✓ 20d ago
macau.ctm.net
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-21 08:10:41 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • mx3.macau.ctm.net
  • mx5.macau.ctm.net
  • mx1.macau.ctm.net
  • mx2.macau.ctm.net
  • mx6.macau.ctm.net

MX Priorities

  • mx6.macau.ctm.net: 10
  • mx5.macau.ctm.net: 10
  • mx1.macau.ctm.net: 10
  • mx3.macau.ctm.net: 10
  • mx2.macau.ctm.net: 10

A / AAAA Records

  • 202.175.3.3 ↩ vassun1.macau.ctm.net
  • 202.175.3.37 ↩ commerce.macau.ctm.net

Mail Server IPs

  • 125.31.5.25 ↩ mx6.macau.ctm.net
  • 125.31.5.24 ↩ mx5.macau.ctm.net
  • 125.31.5.21 ↩ mx1.macau.ctm.net
  • 125.31.5.23 ↩ mx3.macau.ctm.net
  • 125.31.5.22 ↩ mx2.macau.ctm.net

SOA Record

Raw SOA vassun1.macau.ctm.net helpdesk.macau.ctm.net 2016073741 86400 7200 2419200 3600
Primary NS (mname)
vassun1.macau.ctm.net
Admin Email (rname)
helpdesk@macau.ctm.net
Serial
2016073741
Refresh
86400s
Retry
7200s
Expire
2419200s
Minimum TTL
3600s

Nameservers (NS)

ns3.macau.ctm.net
vassun1.macau.ctm.net
vassun2.macau.ctm.net

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:202.175.13.32/29 ip4:202.175.29.160/28 ip4:202.175.38.160/28 ip4:202.175.48.160/28 ip4:125.31.5.0/24 ip4:202.175.28.32/27 ip4:122.100.251.10/32 ~all
📊 DNS lookups: 0/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

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 ip4:202.175.13.32/29 ip4:202.175.29.160/28 ip4:202.175.38.160/28 ip4:202.175.48.160/28 ip4:125.31.5.0/24 ip4:202.175.28.32/27 ip4:122.100.251.10/32 ~all
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 · Customize →
See demo & docs
Deep verification
Full email verification for macau.ctm.net

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

No credit card required
Get 1,000 Free Credits