mailfilter.cdco.com.tw - robtex.com
mailfilter.cdco.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 | ||||||
cdco.com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.123.242.172🇹🇼 TELX-AS21859103.123.242.0/23 ZL-IDC-LAX-W71196 | ||||||
| NS | alla.ns.cloudflare.com ⭐ | ||||||
| NS | arnold.ns.cloudflare.com | ||||||
| MX | mailfilter.cdco.com.tw ⭐ | ||||||
| TXT | v=spf1 include:hibox.hinet.net ~all | ||||||
| SOA | alla.ns.cloudflare.comdns@cloudflare.com serial=2408732263 | ||||||
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A210.71.187.2122017-08-01 → 2026-07-23 · 2 obs
● 2017-08-01 10:21:30
● 2026-07-23 20:34:08
● 2026-07-23 20:34:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com.tw | g.twnic.net.tw, a.twnic.net.tw, h.twnic.net.tw, c.twnic.net.tw... | - |
| cdco.com.tw | arnold.ns.cloudflare.com, alla.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.192.62
NS records: arnold.ns.cloudflare.com, alla.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for com.tw (unsigned zone)
⏱️ Timing
Total: 354ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.71.187.212 |
Analysis
Mail Server Role
The mail server mailfilter.cdco.com.tw processes email for cdco.com.tw.
IP Addresses
mailfilter.cdco.com.tw resolves to just one IP address, 210.71.187.212.
Two other host names, along with mailfilter.promagroup.biz, mailfilter.chentongleather.com.tw and mailfilter.ussbakery.com.tw, also share IP numbers with mailfilter.cdco.com.tw.