lesson.com.tw - robtex.com

lesson.com.tw

DNSSEC⚠️ Not signed
A203.69.43.201🇹🇼 HiNet203.69.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
PTR203-69-43-201.hinet-ip.hinet.net
NSns1.hinetidc.net ⭐ ⚠️ Not in parent delegation
A2001:b000:180:80d:203:74:116:201🇹🇼 HiNet2001:b000:100::/40
PTRns02.idc.hinet.net
PTRns03.idc.hinet.net
A203.74.116.201🇹🇼 HiNet203.74.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
PTRns02.idc.hinet.net
PTRns03.idc.hinet.net
NSns.hinetidc.net ⚠️ Not in parent delegation
A2001:b000:168::192:41🇹🇼 HiNet2001:b000:100::/40
PTRns01.idc.hinet.net
A168.95.192.41🇹🇼 HiNet168.95.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
PTRns01.idc.hinet.net
NSns01.idc.hinet.net
A2001:b000:168::192:41🇹🇼 HiNet2001:b000:100::/40
PTRns01.idc.hinet.net
A168.95.192.41🇹🇼 HiNet168.95.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
PTRns01.idc.hinet.net
NSns02.idc.hinet.net
A2001:b000:180:80d:203:74:116:201🇹🇼 HiNet2001:b000:100::/40
PTRns02.idc.hinet.net
PTRns03.idc.hinet.net
A203.74.116.201🇹🇼 HiNet203.74.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
PTRns02.idc.hinet.net
PTRns03.idc.hinet.net
NSns03.idc.hinet.net
A2001:b000:180:80d:203:74:116:201🇹🇼 HiNet2001:b000:100::/40
PTRns02.idc.hinet.net
PTRns03.idc.hinet.net
A203.74.116.201🇹🇼 HiNet203.74.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
PTRns02.idc.hinet.net
PTRns03.idc.hinet.net
NSns2.hinetidc.net ⚠️ Not in parent delegation
A2001:b000:180:80d:203:74:116:201🇹🇼 HiNet2001:b000:100::/40
PTRns02.idc.hinet.net
PTRns03.idc.hinet.net
A203.74.116.201🇹🇼 HiNet203.74.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
PTRns02.idc.hinet.net
PTRns03.idc.hinet.net
MXmailfilter.hibox.hinet.net ⭐
A210.71.187.212🇹🇼 HiNet210.71.128.0/17 (HiNet) Chunghwa Telecom Co., Ltd.
PTRmailfilter.hibox.hinet.net
TXTv=spf1 include:hibox.hinet.net ~all
SOAns.hinetidc.nethostmaster@hinet.net serial=1771700401

com.tw

DNSSEC⚠️ Not signed
NSa.twnic.net.tw ⭐
NSanytld.apnic.net
NSb.twnic.net.tw
NSc.twnic.net.tw
NSd.twnic.net.tw
NSe.twnic.net.tw
NSf.twnic.net.tw
NSg.twnic.net.tw
NSh.dns.tw 🔒
NSh.twnic.net.tw
SOAa.twnic.net.twsnw@twnic.net.tw serial=2006328935
WOT: SAFE (58/100)

Same first word

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DNS History

14 records (8 active, 6 former)

20162017201820192020202120222023202420252026NSns.hinetidc.netns01.idc.hinet.netns02.idc.hinet.netns03.idc.hinet.netns1.hinetidc.netns2.hinetidc.nethinet-dns1ns.hibox.hinet.netns.hibox.hinet.net.lesson.com.twns1.hibox.hinet.netMXmailfilter.hibox.hinet.netmailfilter.lesson.com.twA203.69.43.201122.117.35.239
○NShinet-dns12015-08-18 → 2015-10-12 · 4 obs
● 2015-08-18 04:37:48
● 2015-10-12 20:12:24
○ 2015-10-23 02:31:36
○ 2026-02-25 07:11:00
○NSns.hibox.hinet.net2015-08-18 → 2016-12-26 · 4 obs
● 2015-08-18 04:37:48
● 2016-12-26 18:51:12
○ 2026-02-25 07:10:58
○ 2026-02-25 07:11:00
○NSns.hibox.hinet.net.lesson.com.tw2015-10-23 → 2016-12-26 · 5 obs
○ 2015-10-12 20:12:24
● 2015-10-23 02:31:36
● 2016-12-26 18:51:12
○ 2026-02-25 07:10:58
○ 2026-02-25 07:11:00
●NSns.hinetidc.net2026-02-25 → 2026-02-25 · 3 obs
○ 2016-12-26 18:51:12
● 2026-02-25 07:10:58
● 2026-02-25 07:11:00
●NSns01.idc.hinet.net2026-02-25 → 2026-02-25 · 3 obs
○ 2016-12-26 18:51:12
● 2026-02-25 07:10:58
● 2026-02-25 07:11:00
●NSns02.idc.hinet.net2026-02-25 → 2026-02-25 · 3 obs
○ 2016-12-26 18:51:12
● 2026-02-25 07:10:58
● 2026-02-25 07:11:00
●NSns03.idc.hinet.net2026-02-25 → 2026-02-25 · 3 obs
○ 2016-12-26 18:51:12
● 2026-02-25 07:10:58
● 2026-02-25 07:11:00
○NSns1.hibox.hinet.net2015-08-18 → 2016-12-26 · 4 obs
● 2015-08-18 04:37:48
● 2016-12-26 18:51:12
○ 2026-02-25 07:10:58
○ 2026-02-25 07:11:00
●NSns1.hinetidc.net2026-02-25 → 2026-02-25 · 3 obs
○ 2016-12-26 18:51:12
● 2026-02-25 07:10:58
● 2026-02-25 07:11:00
●NSns2.hinetidc.net2026-02-25 → 2026-02-25 · 3 obs
○ 2016-12-26 18:51:12
● 2026-02-25 07:10:58
● 2026-02-25 07:11:00
●MXmailfilter.hibox.hinet.net2026-02-25 → 2026-02-25 · 3 obs
○ 2016-12-26 18:51:12
● 2026-02-25 07:10:58
● 2026-02-25 07:11:00
○MXmailfilter.lesson.com.tw2015-09-15 → 2016-12-26 · 4 obs
● 2015-09-15 20:14:50
● 2016-12-26 18:51:12
○ 2026-02-25 07:10:58
○ 2026-02-25 07:11:00
○A122.117.35.2392015-08-18 → 2016-12-26 · 4 obs
● 2015-08-18 04:37:48
● 2016-12-26 18:51:12
○ 2026-02-25 07:10:58
○ 2026-02-25 07:11:00
●A203.69.43.2012026-02-25 → 2026-02-25 · 3 obs
○ 2016-12-26 18:51:12
● 2026-02-25 07:10:58
● 2026-02-25 07:11:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
lesson.com.twns03.idc.hinet.net, ns01.idc.hinet.net, ns02.idc.hinet.net-

✅ Authoritative Response

Server: 203.74.116.201

NS records: ns03.idc.hinet.net, ns01.idc.hinet.net, ns02.idc.hinet.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lesson.com.tw (unsigned zone)

⏱️ Timing

Total: 583ms | Queries: -

📄 Records

TypeCountSample Data
A1203.69.43.201
NS6ns1.hinetidc.net, ns03.idc.hinet.net...
MX1mailfilter.hibox.hinet.net (pri: 10)
TXT1v=spf1 include:hibox.hinet.net ~all
SOA1ns.hinetidc.net hostmaster.hinet.net

AI analysis

lesson.com.tw points to a single IP: 203.69.43.201.

Other host names, for instance techbank.com.tw, www.huaweb.com.tw, petrof.com.tw, fullon-hotels.com.tw and www.tnpa.org.tw share IP numbers with lesson.com.tw.

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 its name servers with other domains, for instance 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:

Host ns1.hinetidc.net points to: 2001:b000:180:80d:203:74:116:201 and 203.74.116.201.

Host ns2.hinetidc.net points to: 2001:b000:180:80d:203:74:116:201 and 203.74.116.201.

Host ns.hinetidc.net points to: 2001:b000:168::192:41 and 168.95.192.41.

Host ns01.idc.hinet.net points to: 2001:b000:168::192:41 and 168.95.192.41.

Host ns02.idc.hinet.net points to: 2001:b000:180:80d:203:74:116:201 and 203.74.116.201.

Host 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 and ns01.idc.hinet.net.

Hosts pointing to 168.95.192.41: ns.hinetidc.net and ns01.idc.hinet.net.

lesson.com.tw is served by a single mail server, mailfilter.hibox.hinet.net.

lesson.com.tw uses the same mail server setup as other domains such as jptech.com.tw, top-one.com.cn, emegatech.com.tw, tiramisu.com.tw and ecoca.com.

lesson.com.tw shares some mail servers with other domains, including fetc.com.tw, jinkou.com.tw, epworld.com, shengines.com and pidi.com.tw.

mailfilter.hibox.hinet.net points to IP number 210.71.187.212.