csd.org.tw

Valid Email Server
Domain Lookup › csd.org.tw
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
csd.org.tw
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-10-29 23:17:23 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

  • softnextspam.csd.org.tw

MX Priorities

  • softnextspam.csd.org.tw: 8

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 203.73.94.149 ↩ csd.org.tw

SOA Record

Raw SOA dns.csd.org.tw root.csd.org.tw 2026081154 3600 900 1814400 3600
Primary NS (mname)
dns.csd.org.tw
Admin Email (rname)
root@csd.org.tw
Serial
2026081154
Refresh
3600s
Retry
900s
Expire
1814400s
Minimum TTL
3600s

Nameservers (NS)

dns.csd.org.tw
dns1.csd.org.tw

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx ip4:203.73.94.148 ip4:203.73.94.149 ip4:203.73.94.154 ip4:203.73.94.156 ip4:61.66.146.67 a:newadmail.csd.org.tw include:spf.protection.outlook.com ~all
📊 DNS lookups: 4/10
~ 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

4 records
  • MS=ms49714763
  • JSNV4LA69VRB1FQ64XILUQAD4RQYX3I6WZF92SU7
  • SPFv=spf1 a mx ip4:203.73.94.148 ip4:203.73.94.149 ip4:203.73.94.154 ip4:203.73.94.156 ip4:61.66.146.67 a:newadmail.csd.org.tw include:spf.protection.outlook.com ~all
  • openai-domain-verification=dv-bcmXvtfEYLvnGMj4dzdXMnkn
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 csd.org.tw

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

No credit card required
Get 1,000 Free Credits