jwv.com.tw - robtex.com

jwv.com.tw

DNSSEC⚠️ Not signed
A103.1.221.72🇹🇼 YUANJHEN-TW103.1.220.0/23 Yuan-Jhen Info., Co., Ltd 12F., No.866-7, Zhongzheng Rd., Zhonghe Dist.,New Taipei City, 235, R.O.C NewTaipei City
PTRmail.jwv.com.tw
NSns1.jwv.com.tw ⭐
NSns1.janwill.com.tw
A103.1.221.72🇹🇼 YUANJHEN-TW103.1.220.0/23 Yuan-Jhen Info., Co., Ltd 12F., No.866-7, Zhongzheng Rd., Zhonghe Dist.,New Taipei City, 235, R.O.C NewTaipei City
PTRmail.jwv.com.tw
NSns2.janwill.com.tw
A103.1.221.72🇹🇼 YUANJHEN-TW103.1.220.0/23 Yuan-Jhen Info., Co., Ltd 12F., No.866-7, Zhongzheng Rd., Zhonghe Dist.,New Taipei City, 235, R.O.C NewTaipei City
PTRmail.jwv.com.tw
MXmail.jwv.com.tw ⭐
A103.1.221.72🇹🇼 YUANJHEN-TW103.1.220.0/23 Yuan-Jhen Info., Co., Ltd 12F., No.866-7, Zhongzheng Rd., Zhonghe Dist.,New Taipei City, 235, R.O.C NewTaipei City
PTRmail.jwv.com.tw
TXTv=spf1 +mx +a +ip4:103.1.221.72 ~all
SOAns1.jwv.com.twadmin@jwv.com.tw 2026-07-13 #2

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=2006385970
WOT: SAFE (58/100)

Same first word

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jwv.me
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jwv.foundation
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jvw.com.au
wjv.us
wvj.co.za
wvj.us
jvw.it
jvw.nl
wvj.in

DNS History

5 records (5 active, 0 former)

NSns1.janwill.com.twns1.jwv.com.twns2.janwill.com.twMXmail.jwv.com.twA103.1.221.72
●NSns1.janwill.com.tw2026-07-27 → 2026-07-27 · 2 obs
● 2026-07-27 12:11:38
● 2026-07-27 12:11:40
●NSns1.jwv.com.tw2026-07-27 → 2026-07-27 · 2 obs
● 2026-07-27 12:11:38
● 2026-07-27 12:11:40
●NSns2.janwill.com.tw2026-07-27 → 2026-07-27 · 2 obs
● 2026-07-27 12:11:38
● 2026-07-27 12:11:40
●MXmail.jwv.com.tw2026-07-27 → 2026-07-27 · 2 obs
● 2026-07-27 12:11:38
● 2026-07-27 12:11:40
●A103.1.221.722026-07-27 → 2026-07-27 · 2 obs
● 2026-07-27 12:11:38
● 2026-07-27 12:11:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
twa.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw...16 records
jwv.com.twns1.janwill.com.tw, ns2.janwill.com.tw2 records

✅ Authoritative Response

Server:103.1.221.72

NS records: ns1.janwill.com.tw, ns2.janwill.com.tw

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 2382ms | Queries: -

📄 Records

TypeCountSample Data
A1103.1.221.72
NS2ns1.janwill.com.tw, ns2.janwill.com.tw
MX1mail.jwv.com.tw (pri: 10)
TXT1v=spf1 +mx +a +ip4:103.1.221.72 ~all
SOA1ns1.jwv.com.tw admin.jwv.com.tw

📌 Glue Records Collected

Total: 18

In-bailiwick: 14 (a.dns.tw, a.dns.tw, b.dns.tw...)

Out-of-bailiwick: 4 (anytld.apnic.net, anytld.apnic.net, ns2.janwill.com.tw...)

Analysis

IP Addresses

jwv.com.tw resolves to one IP address: 103.1.221.72.

Other host names, such as lean3.leanmobility.net, share IP numbers with jwv.com.tw.

Name Servers

jwv.com.tw is delegated to three name servers: ns1.janwill.com.tw, ns2.janwill.com.tw and ns1.jwv.com.tw.

ns1.janwill.com.tw and ns2.janwill.com.tw both resolve to the same single IP address: 103.1.221.72.

ns1.janwill.com.tw and ns2.janwill.com.tw are host names that each point to 103.1.221.72 IP addresses.

Mail Servers

Mail for jwv.com.tw is handled by a single mail server, mail.jwv.com.tw.

mail.jwv.com.tw resolves to a single IP number: 103.1.221.72.