mailfilter.richtec.com.tw - robtex.com
mailfilter.richtec.com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.71.187.212🇹🇼 HiNet210.71.128.0/17 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | mailfilter.hibox.hinet.net | ||||||
richtec.com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::ac43:b7ad🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3032::6815:4074🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.64.116Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.183.173🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | brad.ns.cloudflare.com ⭐ | ||||||
| NS | gina.ns.cloudflare.com | ||||||
| MX | mailfilter.richtec.com.tw ⭐ | ||||||
| TXT | v=spf1 include:hibox.hinet.net ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.64.116, 172.67.183.173 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:b7ad, 2606:4700:3032::6815:4074 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=228, name=cloudflare-ech.com | ||||||
| SOA | brad.ns.cloudflare.comdns@cloudflare.com serial=2403565290 | ||||||
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A210.71.187.2122026-03-11 → 2026-05-11 · 2 obs
● 2026-03-11 01:14:02
● 2026-05-11 13:21:28
● 2026-05-11 13:21:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com.tw | h.dns.tw, e.twnic.net.tw, anytld.apnic.net, c.twnic.net.tw... | - |
| richtec.com.tw | brad.ns.cloudflare.com, gina.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.193.105
NS records: brad.ns.cloudflare.com, gina.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for com.tw (unsigned zone)
⏱️ Timing
Total: 207ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.71.187.212 |
Analysis
Mail Server Role
mailfilter.richtec.com.tw serves as the mail server for richtec.com.tw.
IP Addresses
mailfilter.richtec.com.tw points to an IP address: 210.71.187.212.
other host names include mailfilter.uphome.com.tw, mailfilter.chang-yow.com.tw, mailfilter.i-connoisseur.com, mailfilter.brassvalve.com.tw and mailfilter.atecs.com.tw; they share IP numbers with mailfilter.richtec.com.tw.