mailfilter.isma.com.tw - robtex.com
mailfilter.isma.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 | ||||||
isma.com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.39.131.130🇹🇼 HiNet202.39.128.0/17 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| NS | ns1.hibox.hinet.net ⭐ | ||||||
| NS | ns.hibox.hinet.net | ||||||
| MX | mailfilter.isma.com.tw ⭐ | ||||||
| TXT | v=spf1 include:hibox.hinet.net ~all | ||||||
| SOA | ns.hibox.hinet.nethostmaster@hinet.net serial=1774119601 | ||||||
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A210.71.187.2122026-03-21 → 2026-03-26 · 2 obs
● 2026-03-21 06:20:08
● 2026-03-26 10:57:56
● 2026-03-26 10:57:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | a.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw... | - |
| com.tw | a.twnic.net.tw, h.twnic.net.tw, c.twnic.net.tw, e.twnic.net.tw... | 17 records |
| isma.com.tw | ns1.hibox.hinet.net, ns.hibox.hinet.net | - |
✅ Authoritative Response
Server:203.74.116.198
NS records: ns1.hibox.hinet.net, ns.hibox.hinet.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for isma.com.tw (unsigned zone)
⏱️ Timing
Total: 2758ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.71.187.212 |
📌 Glue Records Collected
Total: 17
Out-of-bailiwick: 17 (h.twnic.net.tw, g.twnic.net.tw, f.twnic.net.tw...)
Analysis
Mail Server Role
mailfilter.isma.com.tw acts as a mail server for isma.com.tw.
IP Addresses
mailfilter.isma.com.tw points to a single IP number: 210.71.187.212.
Other host names, for instance mailfilter.ccnet.com.tw, i-technos.com.tw, mailfilter.clare-tech.com.tw, mail.funcube.com.tw and mailfilter.honno.com.tw share IP numbers with mailfilter.isma.com.tw.