mailfilter.derwon.com.tw - robtex.com
mailfilter.derwon.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 | ||||||
derwon.com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| A | 203.69.43.94🇹🇼 HiNet203.69.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| NS | ns1.hinetidc.net ⭐ ⚠️ Not in parent delegation | ||||||
| NS | ns.hinetidc.net ⚠️ Not in parent delegation | ||||||
| NS | ns.idc.hinet.net ⚠️ Not in zone NS records | ||||||
| NS | ns01.idc.hinet.net ⚠️ Not in zone NS records | ||||||
| NS | ns02.idc.hinet.net ⚠️ Not in parent delegation | ||||||
| NS | ns03.idc.hinet.net ⚠️ Not in parent delegation | ||||||
| NS | ns2.hinetidc.net ⚠️ Not in parent delegation | ||||||
| NS | ns2.idc.hinet.net ⚠️ Not in parent delegation | ||||||
| NS | ns3.idc.hinet.net ⚠️ Not in zone NS records | ||||||
| MX | mailfilter.derwon.com.tw ⭐ | ||||||
| TXT | v=spf1 include:hibox.hinet.net ~all | ||||||
| SOA | ns.hinetidc.nethostmaster@hinet.net serial=1775934001 | ||||||
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A210.71.187.2122026-03-01 → 2026-04-12 · 2 obs
● 2026-03-01 04:55:30
● 2026-04-12 19:47:44
● 2026-04-12 19:47:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | f.dns.tw, g.dns.tw, anytld.apnic.net, c.dns.tw... | 16 records |
| derwon.com.tw | ns2.idc.hinet.net, ns3.idc.hinet.net, ns.idc.hinet.net | - |
✅ Authoritative Response
Server:203.74.116.201
NS records: ns2.idc.hinet.net, ns3.idc.hinet.net, ns.idc.hinet.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for derwon.com.tw (unsigned zone)
⏱️ Timing
Total: 1748ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.71.187.212 |
📌 Glue Records Collected
Total: 16
In-bailiwick: 14 (a.dns.tw, b.dns.tw, c.dns.tw...)
Out-of-bailiwick: 2 (anytld.apnic.net, anytld.apnic.net)
Analysis
Mail Server Role
mailfilter.derwon.com.tw serves as the mail server for derwon.com.tw.
IP Addresses
mailfilter.derwon.com.tw points to an IP address: 210.71.187.212.
other host names include mailfilter.g-language.com.tw, mailfilter.yayan.com.tw, mailfilter.justherb.com.tw, mailfilter.nu-beca.com and mailfilter.chee-see.com.tw; they share IP numbers with mailfilter.derwon.com.tw.