kstudy.com.tw - dns.ninja
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=2006389853 | ||||||
Same first word
Similar names
DNS History
11 records (10 active, 1 former)
●NScns1.net-chinese.com.tw2017-06-11 → 2026-08-07 · 2 obs
● 2026-08-07 03:08:16
●NScns2.net-chinese.com.tw2017-06-11 → 2026-08-07 · 2 obs
● 2026-08-07 03:08:16
●MXalt1.aspmx.l.google.com2026-04-26 → 2026-08-07 · 2 obs
● 2026-08-07 03:08:16
●MXalt2.aspmx.l.google.com2026-04-26 → 2026-08-07 · 2 obs
● 2026-08-07 03:08:16
●MXaspmx.l.google.com2026-04-26 → 2026-08-07 · 2 obs
● 2026-08-07 03:08:16
●MXaspmx2.googlemail.com2026-04-26 → 2026-08-07 · 2 obs
● 2026-08-07 03:08:16
●MXaspmx3.googlemail.com2026-04-26 → 2026-08-07 · 2 obs
● 2026-08-07 03:08:16
●MXaspmx4.googlemail.com2026-04-26 → 2026-08-07 · 2 obs
● 2026-08-07 03:08:16
●MXaspmx5.googlemail.com2026-04-26 → 2026-08-07 · 2 obs
● 2026-08-07 03:08:16
○A13.75.93.1632017-06-11 → 2017-06-11 · 3 obs
○ 2026-04-26 21:13:18
○ 2026-08-07 03:08:16
●A23.99.108.792026-04-26 → 2026-08-07 · 3 obs
● 2026-04-26 21:13:18
● 2026-08-07 03:08:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | e.dns.tw, c.dns.tw, a.dns.tw, b.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: 1097ms | 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 | alt1.aspmx.l.google.com (pri: 5), aspmx4.googlemail.com (pri: 12)... |
| 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 points to a single IP number: 23.99.108.79.
jinse.com.tw, edtung.com, www.edtung.com and smtp.edtung.com are examples of host names that share IP numbers with kstudy.com.tw.
Name Servers
Two name servers handle the delegation for kstudy.com.tw: cns1.net-chinese.com.tw and cns2.net-chinese.com.tw.
kstudy.com.tw shares its name server setup with other domains, including metr.com.tw, lmx.tw, inzense.com.tw and two others.
Each of cns1.net-chinese.com.tw and cns2.net-chinese.com.tw has one IP address: cns1.net-chinese.com.tw uses 34.81.16.85 and cns2.net-chinese.com.tw uses 104.199.229.182.
Mail Servers
kstudy.com.tw uses 7 mail servers for delivery: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and 4 other.
kstudy.com.tw shares mail servers — at least in part — with other domains, including military1st.co.uk, ns500693.ns500765.ns500734.ns500699.ns500699.ns500699.ns500693.ns500693.ns500728.ns500693.ns500693.ns500693.ns500632.ns500588.ns500602.dtrkdll.com, leksa.com.ua and two others.
These mail servers are frequently used alongside mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, aspmx.l.google.com and 3 other.
Host names with two IP numbers:
aspmx2.googlemail.com resolves to two addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1b.
aspmx3.googlemail.com resolves to two addresses: 172.253.116.26 and 2a00:1450:400b:c02::1a.
aspmx4.googlemail.com resolves to two addresses: 192.178.223.27 and 2a00:1450:4009:c0f::1a.
aspmx5.googlemail.com resolves to two addresses: 172.253.157.26 and 2a00:1450:400c:c23::1b.
aspmx.l.google.com resolves to two addresses: 142.251.163.26 and 2607:f8b0:4004:c0b::1b.
alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.27 and 2a00:1450:400b:c02::1b.
aspmx2.googlemail.com along with alt1.aspmx.l.google.com each resolve to 108.177.123.27 IP addresses.