ysem.com.tw - robtex.com
ysem.com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| A | 219.84.199.151🇹🇼 SO-NET-TW219.84.192.0/19 So-net Entertainment Taiwan Limited CO., LTD. | ||||||
| PTR | so199-151.asiawhere.com | ||||||
| NS | ns1.wa1000.com ⭐ | ||||||
| A | 219.84.199.1🇹🇼 SO-NET-TW219.84.192.0/19 So-net Entertainment Taiwan Limited CO., LTD. | ||||||
| PTR | so199-1.asiawhere.com | ||||||
| NS | ns2.wa1000.com | ||||||
| A | 219.84.199.2🇹🇼 SO-NET-TW219.84.192.0/19 So-net Entertainment Taiwan Limited CO., LTD. | ||||||
| PTR | so199-2.asiawhere.com | ||||||
| MX | mail.ysem.com.tw ⭐ | ||||||
| A | 219.84.199.151🇹🇼 SO-NET-TW219.84.192.0/19 So-net Entertainment Taiwan Limited CO., LTD. | ||||||
| PTR | so199-151.asiawhere.com | ||||||
| TXT | v=spf1 a mx ip4:219.84.199.151 ?all | ||||||
| SOA | ns1.wa1000.comgary@focus-design.com.tw serial=1721379588 | ||||||
com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.twnic.net.tw ⭐ | ||||||
| SOA | a.twnic.net.twsnw@twnic.net.tw serial=2006349275 | ||||||
Subdomains
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.wa1000.com2026-05-09 → 2026-05-11 · 2 obs
● 2026-05-11 10:20:12
●NSns2.wa1000.com2026-05-09 → 2026-05-11 · 2 obs
● 2026-05-11 10:20:12
●MXmail.ysem.com.tw2026-05-09 → 2026-05-11 · 2 obs
● 2026-05-11 10:20:12
●A219.84.199.1512026-05-09 → 2026-05-11 · 2 obs
● 2026-05-11 10:20:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | a.dns.tw, f.dns.tw, e.dns.tw, d.dns.tw... | 16 records |
| ysem.com.tw | ns2.wa1000.com, ns1.wa1000.com | - |
✅ Authoritative Response
Server:219.84.199.1
NS records: ns2.wa1000.com, ns1.wa1000.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ysem.com.tw (unsigned zone)
⏱️ Timing
Total: 1475ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.84.199.151 |
| NS | 2 | ns2.wa1000.com, ns1.wa1000.com |
| MX | 1 | mail.ysem.com.tw (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:219.84.199.151 ?all |
| SOA | 1 | ns1.wa1000.com gary.focus-design.com.tw |
📌 Glue Records Collected
Total: 16
In-bailiwick: 14 (h.dns.tw, g.dns.tw, f.dns.tw...)
Out-of-bailiwick: 2 (anytld.apnic.net, anytld.apnic.net)
Analysis
Hierarchy
ysem.com.tw is a parent of mail.ysem.com.tw and www.ysem.com.tw.
IP Addresses
ysem.com.tw points to a single IP address: 219.84.199.151.
Other host names such as mail.ysem.com.tw, focus-design.com.tw, twunicom.com.tw, sunyatech.com.tw and www.focus-design.com.tw share IP numbers with ysem.com.tw.
Name Servers
ysem.com.tw is delegated to two name servers: ns1.wa1000.com and ns2.wa1000.com.
ysem.com.tw uses the same name server setup as other domains, including filltek.com.tw, ideamix.com.tw, zw16888.com.tw, waiyu.com.tw and eyemax-asia.com.
At least part of the name servers for ysem.com.tw are shared with other domains, for instance e-trio.com.tw, xzdza.org.tw, yungantools.com, unicity.net.tw and mimifund.org.
These name servers are commonly used together with the name servers ns3.wa1000.com, ns4.wa1000.com, ns1.wt500.com, ns2.wt500.com, ns4.wt500.com and ns3.wt500.com.
Hostnames with a single IP
ns1.wa1000.com resolves to: 219.84.199.1.
ns2.wa1000.com resolves to: 219.84.199.2.
Mail Servers
The mail server for ysem.com.tw is mail.ysem.com.tw.
Host mail.ysem.com.tw points to IP 219.84.199.151.