firdi.org.tw

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

Domain Overview

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

Checked via [email protected] · 2026-10-29 23:19:58 UTC · ↺ Refresh

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MX Hostnames

  • firdi-org-tw.mail.protection.outlook.com

MX Priorities

  • firdi-org-tw.mail.protection.outlook.com: 10

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
  • 52.101.137.0 ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
  • 52.101.137.2 (no PTR)
  • 52.101.157.80 ↩ mail-os8pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:cc09:: ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:cc1f::4 ↩ mail-os8pr02cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:cc1a::8 ↩ mail-tydpr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:cc09::1 (no PTR)

SOA Record

Raw SOA dns1.firdi.org.tw root.firdi.org.tw 2026092901 1800 900 604800 3600
Primary NS (mname)
dns1.firdi.org.tw
Admin Email (rname)
root@firdi.org.tw
Serial
2026092901
Refresh
1800s
Retry
900s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns1.firdi.org.tw
dns2.firdi.org.tw

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:140.126.254.68/30 ip4:203.72.131.117 include:spf.protection.outlook.com include:39751475.spf06.hubspotemail.net ip4:59.120.54.25 ip4:172.104.93.146 ip4:125.227.180.0/28 ip4:203.72.131.204/29 ~all
📊 DNS lookups: 2/10
~ 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

7 records
  • kKe6D6t9cGNZ5AzsGi0Y6QZetcQv3PiVuWw95O8LvZ0
  • SPFv=spf1 ip4:140.126.254.68/30 ip4:203.72.131.117 include:spf.protection.outlook.com include:39751475.spf06.hubspotemail.net ip4:59.120.54.25 ip4:172.104.93.146 ip4:125.227.180.0/28 ip4:203.72.131.204/29 ~all
  • Domain:firdi.org.tw ip4:140.126.252.0/22 ip4:203.72.128.0/21 ip4:59.120.48.0/20 ip6:2001:288:4018::0/48 ip4:61.216.140.96/28 ip4:118.163.252.64/27 ~all
  • google-site-verification=OVFS5y_neBYyW_NdrcVjDBY5piwIWob7-q-kni9AfxU
  • anthropic-domain-verification-5rzzrr=tvkAySFopgY8Q33G4l5638K6u
  • Public-CA-domain-verification=5994E0CFB8A776CB7736D50A8E8D1220
  • MS=ms63863776
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