ex2016.arith.com.tw - robtex.com
ex2016.arith.com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| A | 211.72.221.203🇹🇼 HiNet211.72.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | mbs.arith.com.tw | ||||||
arith.com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ex2016.arith.com.tw ⭐ | ||||||
| NS | dns1.arith.com.tw | ||||||
| NS | dns2.arith.com.tw ⚠️ Not in zone NS records | ||||||
| MX | smtp.cwsi.com.tw ⭐ | ||||||
| MX | mail.arith.com.tw(10) | ||||||
| TXT | v=spf1 mx ip4:211.72.221.203 include:spf.ms.hinet.net ~all | ||||||
| SOA | ex2016.arith.com.twhostmaster@arith.com.tw serial=21 | ||||||
NS for
Same first word
DNS History
1 record (1 active, 0 former)
●A211.72.221.2032026-04-10 → 2026-04-13 · 2 obs
● 2026-04-10 11:05:58
● 2026-04-13 12:54:34
● 2026-04-13 12:54:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com.tw | b.twnic.net.tw, c.twnic.net.tw, anytld.apnic.net, f.twnic.net.tw... | - |
| arith.com.tw | dns1.arith.com.tw, dns2.arith.com.tw | 2 records |
✅ Authoritative Response
Server:211.72.221.203
NS records: dns1.arith.com.tw, dns2.arith.com.tw
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for com.tw (unsigned zone)
⏱️ Timing
Total: 749ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 211.72.221.203 |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (dns2.arith.com.tw, dns1.arith.com.tw)
Analysis
Name Server Role
ex2016.arith.com.tw serves as the name server for arith.com.tw.
Commonly, dns1.arith.com.tw and dns2.arith.com.tw act as name servers along with ex2016.arith.com.tw.
IP Addresses
ex2016.arith.com.tw points to a single IP address: 211.72.221.203.
Other host names such as 211-72-221-203.hinet-ip.hinet.net, mail.arith.com.tw and dns1.arith.com.tw share IP numbers with ex2016.arith.com.tw.