lesson.com.tw - robtex.com
lesson.com.tw
com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.twnic.net.tw ⭐ | ||||||
| NS | anytld.apnic.net | ||||||
| NS | b.twnic.net.tw | ||||||
| NS | c.twnic.net.tw | ||||||
| NS | d.twnic.net.tw | ||||||
| NS | e.twnic.net.tw | ||||||
| NS | f.twnic.net.tw | ||||||
| NS | g.twnic.net.tw | ||||||
| NS | h.dns.tw | ||||||
| NS | h.twnic.net.tw | ||||||
| SOA | a.twnic.net.twsnw@twnic.net.tw serial=2006336958 | ||||||
Same first word
Similar names
DNS History
14 records (8 active, 6 former)
○NShinet-dns12015-08-18 → 2015-10-12 · 4 obs
● 2015-10-12 20:12:24
○ 2015-10-23 02:31:36
○ 2026-03-25 00:01:28
○NSns.hibox.hinet.net2015-08-18 → 2016-12-26 · 4 obs
● 2016-12-26 18:51:12
○ 2026-02-25 07:10:58
○ 2026-03-25 00:01:28
○NSns.hibox.hinet.net.lesson.com.tw2015-10-23 → 2016-12-26 · 5 obs
● 2015-10-23 02:31:36
● 2016-12-26 18:51:12
○ 2026-02-25 07:10:58
○ 2026-03-25 00:01:28
●NSns.hinetidc.net2026-02-25 → 2026-03-25 · 3 obs
● 2026-02-25 07:10:58
● 2026-03-25 00:01:28
●NSns01.idc.hinet.net2026-02-25 → 2026-03-25 · 3 obs
● 2026-02-25 07:10:58
● 2026-03-25 00:01:28
●NSns02.idc.hinet.net2026-02-25 → 2026-03-25 · 3 obs
● 2026-02-25 07:10:58
● 2026-03-25 00:01:28
●NSns03.idc.hinet.net2026-02-25 → 2026-03-25 · 3 obs
● 2026-02-25 07:10:58
● 2026-03-25 00:01:28
○NSns1.hibox.hinet.net2015-08-18 → 2016-12-26 · 4 obs
● 2016-12-26 18:51:12
○ 2026-02-25 07:10:58
○ 2026-03-25 00:01:28
●NSns1.hinetidc.net2026-02-25 → 2026-03-25 · 3 obs
● 2026-02-25 07:10:58
● 2026-03-25 00:01:28
●NSns2.hinetidc.net2026-02-25 → 2026-03-25 · 3 obs
● 2026-02-25 07:10:58
● 2026-03-25 00:01:28
●MXmailfilter.hibox.hinet.net2026-02-25 → 2026-03-25 · 3 obs
● 2026-02-25 07:10:58
● 2026-03-25 00:01:28
○MXmailfilter.lesson.com.tw2015-09-15 → 2016-12-26 · 4 obs
● 2016-12-26 18:51:12
○ 2026-02-25 07:10:58
○ 2026-03-25 00:01:28
○A122.117.35.2392015-08-18 → 2016-12-26 · 4 obs
● 2016-12-26 18:51:12
○ 2026-02-25 07:10:58
○ 2026-03-25 00:01:28
●A203.69.43.2012026-02-25 → 2026-03-25 · 3 obs
● 2026-02-25 07:10:58
● 2026-03-25 00:01:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | e.dns.tw, g.dns.tw, a.dns.tw, f.dns.tw... | - |
| com.tw | h.twnic.net.tw, a.twnic.net.tw, e.twnic.net.tw, b.twnic.net.tw... | 17 records |
| lesson.com.tw | ns03.idc.hinet.net, ns02.idc.hinet.net, ns01.idc.hinet.net | - |
✅ Authoritative Response
Server:203.74.116.201
NS records: ns03.idc.hinet.net, ns02.idc.hinet.net, ns01.idc.hinet.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for lesson.com.tw (unsigned zone)
⏱️ Timing
Total: 2601ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 203.69.43.201 |
| NS | 6 | ns.hinetidc.net, ns1.hinetidc.net... |
| MX | 1 | mailfilter.hibox.hinet.net (pri: 10) |
| TXT | 1 | v=spf1 include:hibox.hinet.net ~all |
| SOA | 1 | ns.hinetidc.net hostmaster.hinet.net |
📌 Glue Records Collected
Total: 17
Out-of-bailiwick: 17 (h.twnic.net.tw, g.twnic.net.tw, f.twnic.net.tw...)
Analysis
IP Addresses
lesson.com.tw resolves to one IP number: 203.69.43.201.
Other host names, for instance techbank.com.tw, www.huaweb.com.tw, petrof.com.tw, www.tnpa.org.tw and vrt.com.tw share IP numbers with lesson.com.tw.
Name Servers
lesson.com.tw is delegated to six name servers: ns1.hinetidc.net, ns2.hinetidc.net, ns.hinetidc.net, ns01.idc.hinet.net, ns02.idc.hinet.net and ns03.idc.hinet.net.
lesson.com.tw at least partially shares name servers with other domains, including hinetidc.net, ncbc.com.tw, derma.org.tw, etmall.com.tw and taiwanokaya.com.tw.
These name servers are commonly used with ns.idc.hinet.net, ns2.idc.hinet.net and ns3.idc.hinet.net.
Host names with two IP numbers:
ns1.hinetidc.net points to 2001:b000:180:80d:203:74:116:201 and 203.74.116.201
ns2.hinetidc.net points to 2001:b000:180:80d:203:74:116:201 and 203.74.116.201
ns.hinetidc.net points to 2001:b000:168::192:41 and 168.95.192.41
ns01.idc.hinet.net points to 2001:b000:168::192:41 and 168.95.192.41
ns02.idc.hinet.net points to 2001:b000:180:80d:203:74:116:201 and 203.74.116.201
ns03.idc.hinet.net points to 2001:b000:180:80d:203:74:116:201 and 203.74.116.201
Hosts pointing to 2001:b000:180:80d:203:74:116:201: ns1.hinetidc.net, ns2.hinetidc.net, ns02.idc.hinet.net and ns03.idc.hinet.net
Hosts pointing to 203.74.116.201: ns1.hinetidc.net, ns2.hinetidc.net, ns02.idc.hinet.net and ns03.idc.hinet.net
Hosts pointing to 2001:b000:168::192:41: ns.hinetidc.net, ns01.idc.hinet.net
Hosts pointing to 168.95.192.41: ns.hinetidc.net, ns01.idc.hinet.net
Mail Servers
A single mail server handles lesson.com.tw, mailfilter.hibox.hinet.net.
lesson.com.tw shares the same mail server setup as other domains, for instance jptech.com.tw, top-one.com.cn, emegatech.com.tw, jq-rubber.com.tw and tiramisu.com.tw.
lesson.com.tw shares at least some mail servers with other domains, for example fetc.com.tw, jinkou.com.tw, epworld.com, shengines.com and pidi.com.tw.
Host name mailfilter.hibox.hinet.net resolves to a single IP: 210.71.187.212.