kstudy.com.tw - robtex.com
kstudy.com.tw
com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.twnic.net.tw ⭐ ⚠️ Not in parent delegation | ||||||
| NS | anytld.apnic.net ⚠️ Not in parent delegation | ||||||
| NS | b.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | c.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | d.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | e.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | f.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | g.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | h.dns.tw ⚠️ Not in parent delegation | ||||||
| NS | h.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| SOA | a.twnic.net.twsnw@twnic.net.tw serial=2006349131 | ||||||
Same first word
Similar names
DNS History
11 records (10 active, 1 former)
●NScns1.net-chinese.com.tw2017-06-11 → 2026-05-11 · 2 obs
● 2026-05-11 05:11:08
●NScns2.net-chinese.com.tw2017-06-11 → 2026-05-11 · 2 obs
● 2026-05-11 05:11:08
●MXalt1.aspmx.l.google.com2026-04-26 → 2026-05-11 · 2 obs
● 2026-05-11 05:11:08
●MXalt2.aspmx.l.google.com2026-04-26 → 2026-05-11 · 2 obs
● 2026-05-11 05:11:08
●MXaspmx.l.google.com2026-04-26 → 2026-05-11 · 2 obs
● 2026-05-11 05:11:08
●MXaspmx2.googlemail.com2026-04-26 → 2026-05-11 · 2 obs
● 2026-05-11 05:11:08
●MXaspmx3.googlemail.com2026-04-26 → 2026-05-11 · 2 obs
● 2026-05-11 05:11:08
●MXaspmx4.googlemail.com2026-04-26 → 2026-05-11 · 2 obs
● 2026-05-11 05:11:08
●MXaspmx5.googlemail.com2026-04-26 → 2026-05-11 · 2 obs
● 2026-05-11 05:11:08
○A13.75.93.1632017-06-11 → 2017-06-11 · 3 obs
○ 2026-04-26 21:13:18
○ 2026-05-11 05:11:08
●A23.99.108.792026-04-26 → 2026-05-11 · 3 obs
● 2026-04-26 21:13:18
● 2026-05-11 05:11:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | g.dns.tw, e.dns.tw, a.dns.tw, c.dns.tw... | - |
| kstudy.com.tw | cns2.net-chinese.com.tw, cns1.net-chinese.com.tw | 2 records |
✅ Authoritative Response
Server:34.81.16.85
NS records: cns2.net-chinese.com.tw, cns1.net-chinese.com.tw
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kstudy.com.tw (unsigned zone)
⏱️ Timing
Total: 987ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 23.99.108.79 |
| NS | 2 | cns1.net-chinese.com.tw, cns2.net-chinese.com.tw |
| MX | 7 | aspmx3.googlemail.com (pri: 11), aspmx5.googlemail.com (pri: 13)... |
| TXT | 1 | v=spf1 include:_spf.google.com ~all |
| SOA | 1 | cns1.net-chinese.com.tw abuse.digiage.co |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (cns2.net-chinese.com.tw, cns1.net-chinese.com.tw)
Analysis
IP Addresses
kstudy.com.tw resolves to a single IP address: 23.99.108.79.
Other host names such as jinse.com.tw, edtung.com, www.edtung.com and smtp.edtung.com share IP numbers with kstudy.com.tw.
Name Servers
kstudy.com.tw's delegation uses two name servers, cns1.net-chinese.com.tw and cns2.net-chinese.com.tw.
kstudy.com.tw shares the same name server setup as other domains, for example metr.com.tw, lmx.tw, inzense.com.tw, ceps.com.tw and rainwater.com.tw.
Host names with a single IP:
cns1.net-chinese.com.tw points to 34.81.16.85.
cns2.net-chinese.com.tw points to 104.199.229.182.
Mail Servers
kstudy.com.tw is handled by seven mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com, aspmx5.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
The mail servers for kstudy.com.tw are shared with other domains, for instance military1st.co.uk, ns500693.ns500765.ns500734.ns500699.ns500699.ns500699.ns500693.ns500693.ns500728.ns500693.ns500693.ns500693.ns500632.ns500588.ns500602.dtrkdll.com, leksa.com.ua, unicathedral.edu.br and ns500731.ns500671.ns500742.ns500742.ns500742.ns500731.ns500704.ns500705.ns500705.ns500678.ns500704.ns500649.lustychickser.com.
These mail servers are commonly used alongside alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
Host names with two IP numbers:
aspmx2.googlemail.com points to: 2607:f8b0:4023:2801::1a and 192.178.128.27; aspmx3.googlemail.com points to: 2607:f8b0:4023:3003::1b and 172.253.145.26; aspmx4.googlemail.com points to: 2a00:1450:4009:c0f::1a and 192.178.223.26; aspmx5.googlemail.com points to: 2a00:1450:400c:c00::1a and 173.194.76.27; aspmx.l.google.com points to: 2607:f8b0:4023:c03::1a and 142.251.2.26; alt1.aspmx.l.google.com points to: 2607:f8b0:4023:2801::1b and 192.178.128.26; alt2.aspmx.l.google.com points to: 2a00:1450:400b:c02::1a and 172.253.116.26.