sysjust.com.tw - robtex.com
sysjust.com.tw
com.tw
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| 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=2006341446 | ||||||
Subdomains
Same first word
DNS History
10 records (5 active, 5 former)
○NSdns1.sysjust.com.tw2015-08-10 → 2017-05-29 · 4 obs
● 2017-05-29 08:05:36
○ 2026-04-08 19:16:14
○ 2026-04-12 10:48:56
○NSdns2.sysjust.com.tw2015-08-10 → 2017-05-29 · 4 obs
● 2017-05-29 08:05:36
○ 2026-04-08 19:16:14
○ 2026-04-12 10:48:56
○NSdns3.sysjust.com.tw2015-08-10 → 2017-05-29 · 4 obs
● 2017-05-29 08:05:36
○ 2026-04-08 19:16:14
○ 2026-04-12 10:48:56
○NSj-dns2.inhouse.moneydj.com2015-08-10 → 2017-05-29 · 4 obs
● 2017-05-29 08:05:36
○ 2026-04-08 19:16:14
○ 2026-04-12 10:48:56
●NSns-cloud-b1.googledomains.com2026-04-08 → 2026-04-12 · 3 obs
● 2026-04-08 19:16:14
● 2026-04-12 10:48:56
●NSns-cloud-b2.googledomains.com2026-04-08 → 2026-04-12 · 3 obs
● 2026-04-08 19:16:14
● 2026-04-12 10:48:56
●NSns-cloud-b3.googledomains.com2026-04-08 → 2026-04-12 · 3 obs
● 2026-04-08 19:16:14
● 2026-04-12 10:48:56
●NSns-cloud-b4.googledomains.com2026-04-08 → 2026-04-12 · 3 obs
● 2026-04-08 19:16:14
● 2026-04-12 10:48:56
●MXsmtp.sysjust.com.tw2015-08-10 → 2026-04-12 · 2 obs
● 2026-04-12 10:48:56
○MXsmtp2.sysjust.com.tw2015-08-10 → 2017-05-29 · 4 obs
● 2017-05-29 08:05:36
○ 2026-04-08 19:16:14
○ 2026-04-12 10:48:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | e.dns.tw, b.dns.tw, g.dns.tw, h.dns.tw... | - |
| sysjust.com.tw | ns-cloud-b3.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b4.googledomains.com | - |
✅ Authoritative Response
Server:216.239.34.107
NS records: ns-cloud-b3.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b4.googledomains.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 833ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-cloud-b3.googledomains.com, ns-cloud-b2.googledomains.com... |
| MX | 1 | smtp.sysjust.com.tw (pri: 5) |
| TXT | 4 | google-site-verification=i3aGRhscSjxhBGa, 8ruQY9pPI1Xt0ECGtP1mo8jPJslXbpX3tUhid6Yz... |
| SOA | 1 | ns-cloud-b1.googledomains.com cloud-dns- |
Analysis
Hierarchy
sysjust.com.tw is the parent of smtp.sysjust.com.tw, dns2.sysjust.com.tw and www.sysjust.com.tw.
Name Servers
sysjust.com.tw is delegated to four name servers: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com.
sysjust.com.tw at least partially shares name servers with other domains, for instance fcprisonconsulting.com, yextemails.com, thingtrader.com, mariapailona.com and the-cabinetshop.com.
Host names with two IP numbers:
ns-cloud-b1.googledomains.com points to 2001:4860:4802:32::6b and 216.239.32.107; ns-cloud-b2.googledomains.com points to 2001:4860:4802:34::6b and 216.239.34.107; ns-cloud-b3.googledomains.com points to 2001:4860:4802:36::6b and 216.239.36.107; ns-cloud-b4.googledomains.com points to 2001:4860:4802:38::6b and 216.239.38.107.
Mail Servers
sysjust.com.tw is handled by a single mail server, smtp.sysjust.com.tw.
smtp.sysjust.com.tw resolves to IP 203.67.175.95.