sinica.edu.tw

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

Domain Overview

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

Checked via [email protected] · 2026-10-30 04:22:29 UTC · ↺ Refresh

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MX Hostnames

  • a0.mx.sinica.edu.tw
  • a.mx.sinica.edu.tw

MX Priorities

  • a0.mx.sinica.edu.tw: 50
  • a.mx.sinica.edu.tw: 50

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 140.109.4.70 ↩ fmail0.cc.sinica.edu.tw
  • 140.109.4.71 ↩ fmail2.cc.sinica.edu.tw

SOA Record

Raw SOA a.ns.sinica.edu.tw hostmaster.sinica.edu.tw 2026103048 3600 1200 3600000 1800
Primary NS (mname)
a.ns.sinica.edu.tw
Admin Email (rname)
hostmaster@sinica.edu.tw
Serial
2026103048
Refresh
3600s
Retry
1200s
Expire
3600000s
Minimum TTL
1800s

Nameservers (NS)

a.ns.sinica.edu.tw
b.ns.sinica.edu.tw
ns1.sinica.edu.tw
ns.sinica.edu.tw
c.ns.sinica.edu.tw
ns2.sinica.edu.tw

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.gate.sinica.edu.tw include:_spf.google.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

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

DKIM Selectors

✓ 2 found
google._domainkey
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google

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

All TXT Records

10 records
  • MH9Ntn607qSLHi-BxZzZmKd99mTp9ETwjhDNjV9bvmM
  • PvR7PvaFyNrEMNZzRx-5p1Ig2dyTS4dxshcEMj9USs0
  • SPFv=spf1 include:_spf.gate.sinica.edu.tw include:_spf.google.com ~all
  • 5EWRiwtBjTYqQTUgXqrnzyc1bwzBYawUtaAj6lVpKzM
  • 7gj7qfc60s2k077x04sy2xhg4wj8mtn3
  • TWmpJMNX8aZZdiOHVTl6jFDI4asbNCObgeABOt9LhMg
  • mC7zHifGFyO93MeEhRiHcFZz7KGtadz3ZwldWm0Ha_g
  • google-gws-recovery-domain-verification=51091116
  • CUWeBxiCuCGuDu-6vXpNH8SvJHF7XUH08fmA5VEBZMw
  • 0amCpeaRFlS1F_REBL2wgmpFieBJ_FLpkJRVmqj4nxA
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