jsco.com.tw - robtex.com
jsco.com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.138.106.67🇹🇼 ABOVE-AS-AP103.138.106.0/24 Chief Telecom Inc. | ||||||
| NS | ns1.dns.why3s.com ⭐ | ||||||
| A | 35.236.151.41🇹🇼 Google35.236.144.0/20 | ||||||
| PTR | 41.151.236.35.bc.googleusercontent.com | ||||||
| NS | ns2.dns.why3s.com | ||||||
| A | 172.105.200.231🇯🇵 AKAMAI-LINODE-AP172.105.192.0/19 Akamai Technologies | ||||||
| PTR | 172-105-200-231.ip.linodeusercontent.com | ||||||
| NS | ns3.dns.why3s.com | ||||||
| A | 34.150.30.120🇭🇰 Google34.150.16.0/20 | ||||||
| PTR | 120.30.150.34.bc.googleusercontent.com | ||||||
| NS | ns4.dns.why3s.com | ||||||
| A | 172.105.239.245🇯🇵 AKAMAI-LINODE-AP172.105.224.0/20 Akamai Technologies | ||||||
| PTR | ns4.dns.why3s.com | ||||||
| MX | jsco.com.tw ⭐ | ||||||
| A | 103.138.106.67🇹🇼 ABOVE-AS-AP103.138.106.0/24 Chief Telecom Inc. | ||||||
| TXT | v=spf1 ip4:103.138.106.66 include:relay01.why3s.com +a +mx +ip4:103.138.106.3... | ||||||
| TXT | google-site-verification=2bi_fSkhoBLrWBLeZaPJi11oJhENkyMxZKZpuC8sx58 | ||||||
| SOA | ns1.dns.why3s.comroot@sun6351.bestoneserver.com 2025-12-15 #1 | ||||||
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=2006350701 | ||||||
MX for
jsco.com.tw |
Same first word
jsco.org |
jsco.de |
jsco.biz |
jsco.com.tw |
jsco.ru |
jsco.eu |
jsco.or.jp |
jsco.pl |
jsco.co.kr |
jsco.co.uk |
jsco.in |
jsco.ir |
jsco.com |
jsco.kr |
jsco.ca |
jsco.re |
jsco.net |
Similar names
DNS History
10 records (6 active, 4 former)
●NSns1.dns.why3s.com2026-05-08 → 2026-05-15 · 3 obs
● 2026-05-08 12:09:00
● 2026-05-15 11:23:36
●NSns2.dns.why3s.com2026-05-08 → 2026-05-15 · 3 obs
● 2026-05-08 12:09:00
● 2026-05-15 11:23:36
●NSns3.dns.why3s.com2026-05-08 → 2026-05-15 · 3 obs
● 2026-05-08 12:09:00
● 2026-05-15 11:23:36
●NSns4.dns.why3s.com2026-05-08 → 2026-05-15 · 3 obs
● 2026-05-08 12:09:00
● 2026-05-15 11:23:36
○NSpdns09.domaincontrol.com2020-02-07 → 2020-02-07 · 3 obs
○ 2026-05-08 12:09:00
○ 2026-05-15 11:23:36
○NSpdns10.domaincontrol.com2020-02-07 → 2020-02-07 · 3 obs
○ 2026-05-08 12:09:00
○ 2026-05-15 11:23:36
●MXjsco.com.tw2026-05-08 → 2026-05-15 · 3 obs
● 2026-05-08 12:09:00
● 2026-05-15 11:23:36
○MXmail.jsco.com.tw2020-02-07 → 2020-02-07 · 3 obs
○ 2026-05-08 12:09:00
○ 2026-05-15 11:23:36
●A103.138.106.672026-05-08 → 2026-05-15 · 3 obs
● 2026-05-08 12:09:00
● 2026-05-15 11:23:36
○A43.255.154.402020-02-07 → 2020-02-07 · 3 obs
○ 2026-05-08 12:09:00
○ 2026-05-15 11:23:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com.tw | c.twnic.net.tw, a.twnic.net.tw, b.twnic.net.tw, g.twnic.net.tw... | - |
| jsco.com.tw | ns4.dns.why3s.com, ns3.dns.why3s.com, ns1.dns.why3s.com, ns2.dns.why3s.com | - |
✅ Authoritative Response
Server:35.236.151.41
NS records: ns4.dns.why3s.com, ns3.dns.why3s.com, ns1.dns.why3s.com, ns2.dns.why3s.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for com.tw (unsigned zone)
⏱️ Timing
Total: 3373ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.138.106.67 |
| NS | 4 | ns1.dns.why3s.com, ns2.dns.why3s.com... |
| MX | 1 | jsco.com.tw (pri: 0) |
| TXT | 2 | v=spf1 ip4:103.138.106.66 include:relay0, google-site-verification=2bi_fSkhoBLrWBL |
| SOA | 1 | ns1.dns.why3s.com root.sun6351.bestonese |
Analysis
Mail Server Role
jsco.com.tw serves as the mail server for jsco.com.tw.
IP Addresses
jsco.com.tw points to an IP address: 103.138.106.67.
other host names include kuangcheng.com.tw, noni.com.tw, money-news.tw, wild-goose.com.tw and sdy-tec.com; they share IP numbers with jsco.com.tw.
Name Servers
jsco.com.tw delegates to four name servers: ns1.dns.why3s.com, ns2.dns.why3s.com, ns3.dns.why3s.com and ns4.dns.why3s.com.
jsco.com.tw at least partially shares name servers with other domains, for instance boss.why3s.cc, fashionnews.com, ideaweb.com.tw, jinnder.com.tw and gh630.com.
Host names with one IP number: ns1.dns.why3s.com points to: 35.236.151.41; ns2.dns.why3s.com points to: 172.105.200.231; ns3.dns.why3s.com points to: 34.150.30.120; ns4.dns.why3s.com points to: 172.105.239.245.
Mail Servers
jsco.com.tw is handled by a single mail server.
The host name jsco.com.tw points to IP 103.138.106.67.