mail.arith.com.tw - robtex.com
mail.arith.com.tw
| DNSSEC | โ ๏ธ Not signed | ||||||
| A | 211.72.221.203๐น๐ผ HiNet211.72.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | mbs.arith.com.tw | ||||||
arith.com.tw
| DNSSEC | โ ๏ธ Not signed | ||||||
| NS | ex2016.arith.com.tw โญ | ||||||
| NS | dns1.arith.com.tw | ||||||
| NS | dns2.arith.com.tw โ ๏ธ Not in zone NS records | ||||||
| MX | smtp.cwsi.com.tw โญ | ||||||
| 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 | ||||||
MX for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
โA211.72.221.2032014-05-17 โ 2026-04-13 ยท 2 obs
โ 2014-05-17 22:53:36
โ 2026-04-13 06:32:10
โ 2026-04-13 06:32:10
โCNAMEmbs.arith.com.tw2014-05-17 โ 2016-07-06 ยท 4 obs
โ 2014-05-17 22:53:36
โ 2016-07-06 13:51:28
โ 2026-04-10 11:05:58
โ 2026-04-13 06:32:10
โ 2016-07-06 13:51:28
โ 2026-04-10 11:05:58
โ 2026-04-13 06:32:10
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com.tw | a.twnic.net.tw, f.twnic.net.tw, g.twnic.net.tw, h.twnic.net.tw... | - |
| arith.com.tw | dns1.arith.com.tw, dns2.arith.com.tw | 2 records |
โ Authoritative Response
Server:211.72.221.203
NS records: dns1.arith.com.tw, dns2.arith.com.tw
๐ DNSSEC Status
โ ๏ธ Insecure (no DNSSEC)
No DS record for com.tw (unsigned zone)
โฑ๏ธ Timing
Total: 735ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 211.72.221.203 |
๐ Glue Records Collected
Total: 2
In-bailiwick: 2 (dns2.arith.com.tw, dns1.arith.com.tw)
Analysis
Mail Server Role
mail.arith.com.tw acts as a mail server for arith.com.tw.
smtp.cwsi.com.tw is commonly used as a mail server in conjunction with mail.arith.com.tw.
IP Addresses
mail.arith.com.tw points to a single IP number: 211.72.221.203.
Other host names, for instance dns1.arith.com.tw, ex2016.arith.com.tw and 211-72-221-203.hinet-ip.hinet.net share IP numbers with mail.arith.com.tw.