mail.com.tw

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

Domain Overview

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

Checked via [email protected] · 2026-10-29 23:15:53 UTC · ↺ Refresh

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MX Hostnames

  • mx-in-a1a6.osdog.net

MX Priorities

  • mx-in-a1a6.osdog.net: 10

A / AAAA Records

  • 125.228.133.35 ↩ 125-228-133-35.hinet-ip.hinet.net

Mail Server IPs

  • idn.mail.com.tw. (no PTR)
  • 172.105.204.244 ↩ idn.mail.com.tw
  • 2400:8902::2000:3ff:fe01:1119 (no PTR)

SOA Record

Raw SOA ns1.osdog.com admin.osdog.com 2026080101 3600 900 604800 86400
Primary NS (mname)
ns1.osdog.com
Admin Email (rname)
admin@osdog.com
Serial
2026080101
Refresh
3600s
Retry
900s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns1.osdog.com

SPF Record

✓ Soft Fail (~all)
v=spf1 mx ip4:172.105.204.244 ip6:2400:8902::2000:3ff:fe01:1119 ip4:125.228.133.35 ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine

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

2 records
  • SPFv=spf1 mx ip4:172.105.204.244 ip6:2400:8902::2000:3ff:fe01:1119 ip4:125.228.133.35 ~all
  • google-site-verification=O87XzBQsWsjPonsJjeLSGRMFfLfl0ElNkM8ooCemHd0
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