cathay-red.com.tw

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
cathay-red.com.tw
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-10-30 00:18:50 UTC · ↺ Refresh

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MX Hostnames

  • mx01.cathay-red.com.tw
  • mx02.cathay-red.com.tw

MX Priorities

  • mx02.cathay-red.com.tw: 20
  • mx01.cathay-red.com.tw: 10

A / AAAA Records

  • 202.154.200.150 ↩ cathaymail.linyuan.com.tw

Mail Server IPs

  • 202.154.197.36 ↩ 36.197.154.202.symphox.com
  • 202.154.197.35 ↩ 35.197.154.202.symphox.com

SOA Record

Raw SOA a1-236.akam.net hostmaster.cathay-red.com.tw 2025110145 3600 600 604800 300
Primary NS (mname)
a1-236.akam.net
Admin Email (rname)
hostmaster@cathay-red.com.tw
Serial
2025110145
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

a26-66.akam.net
a1-236.akam.net
a10-64.akam.net
a9-67.akam.net
a18-66.akam.net
a7-66.akam.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:202.154.200.0/24 ip4:202.154.201.250 ip4:61.216.146.58 ip4:202.154.197.40 ip4:61.220.55.192 ip4:61.66.105.233 ip4:202.154.197.40 ip4:61.66.105.232/28 ip4:61.220.55.128/25 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

7 records
  • LGTRQ1l3Gs_2saqzFAWz9N8CkT7YTMFHRlmBe6nobcE
  • MS=ms51176552
  • YPicxUsslHj5Bym452QgJXuhBc1o8izCT5IxZiToLpw
  • SPFv=spf1 ip4:202.154.200.0/24 ip4:202.154.201.250 ip4:61.216.146.58 ip4:202.154.197.40 ip4:61.220.55.192 ip4:61.66.105.233 ip4:202.154.197.40 ip4:61.66.105.232/28 ip4:61.220.55.128/25 include:spf.protection.outlook.com -all
  • ob1TOt2QeQIlsnxtprslxabrybamo0YRQYqUe0z0LNM
  • MS=ms65153444
  • google-site-verification=qtl3pIJHJi-OlRq9-xwXKHOT4h31ZqAnEm8M1XHXKpU
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