url.com.tw

Valid Email Server

Domain Overview

DNS: ✓ 20d ago Checker: ✓ 20d ago
url.com.tw
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-21 06:28:07 UTC · ↺ Refresh

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MX Hostnames

  • ntvirus3.url.com.tw
  • ntvirus5.url.com.tw

MX Priorities

  • ntvirus5.url.com.tw: 10
  • ntvirus3.url.com.tw: 10

A / AAAA Records

  • 210.59.228.141 ↩ url.com.tw

Mail Server IPs

  • 210.59.228.221 ↩ castor.url.com.tw
  • 210.59.228.178 ↩ ntvirus3.url.com.tw

SOA Record

Raw SOA dns.twmail.org admin.corp.url.com.tw 2006042869 3600 36000 3600000 86400
Primary NS (mname)
dns.twmail.org
Admin Email (rname)
admin@corp.url.com.tw
Serial
2006042869
Refresh
3600s
Retry
36000s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

dns.twmail.org
dns2.twmail.org

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx ptr ip4:210.59.228.0/24 ip4:210.59.229.0/24
📊 DNS lookups: 3/10

DMARC Record

✗ p=none
v=DMARC1;p=none;sp=none;pct=100
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none

DKIM Selectors

✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

4 records
  • facebook-domain-verification=r7t1g4wq1qjn2tiuempqcjz5vuge36
  • SPFv=spf1 a mx ptr ip4:210.59.228.0/24 ip4:210.59.229.0/24
  • 96b27f831c97ec05b66194701af580549d0dac655f8c6601f30cc8f9c4ca94a
  • google-site-verification=HNe5vvh7wOxGHqN1YanVIcMC-YWfHT44aZTdSIIa6wM
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