ctu.com.tw - robtex.com
ctu.com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| A | 43.254.17.15🇹🇼 YUANJHEN-TW43.254.16.0/23 Taiwan Network Information Center 3F., No. 123, Sec. 4, Bade Rd., Songshan Dist. | ||||||
| PTR | cp33.g-dns.com | ||||||
| NS | ns1.g-dns.com ⭐ | ||||||
| A | 43.254.17.13🇹🇼 YUANJHEN-TW43.254.16.0/23 Taiwan Network Information Center 3F., No. 123, Sec. 4, Bade Rd., Songshan Dist. | ||||||
| PTR | 43-254-17-13.static.ip.net.tw | ||||||
| NS | ns2.g-dns.com | ||||||
| A | 43.254.17.14🇹🇼 YUANJHEN-TW43.254.16.0/23 Taiwan Network Information Center 3F., No. 123, Sec. 4, Bade Rd., Songshan Dist. | ||||||
| PTR | 43-254-17-14.static.ip.net.tw | ||||||
| MX | cp33.g-dns.com ⭐ | ||||||
| A | 43.254.17.15🇹🇼 YUANJHEN-TW43.254.16.0/23 Taiwan Network Information Center 3F., No. 123, Sec. 4, Bade Rd., Songshan Dist. | ||||||
| PTR | cp33.g-dns.com | ||||||
| TXT | v=spf1 ip4:43.254.17.12 include:_spf.eee.tw +a +mx +ip4:43.254.17.32 +ip4:43.... | ||||||
| SOA | ns1.g-dns.comwhmlog@ipmi.tw 2026-03-24 #6 | ||||||
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=2006336956 | ||||||
Subdomains
ntcag.ctu.com.tw |
Same first word
Similar names
DNS History
15 records (4 active, 11 former)
●NSns1.g-dns.com2026-03-22 → 2026-03-24 · 3 obs
● 2026-03-22 09:02:44
● 2026-03-24 22:53:24
●NSns2.g-dns.com2026-03-22 → 2026-03-24 · 3 obs
● 2026-03-22 09:02:44
● 2026-03-24 22:53:24
○NSpdns03.domaincontrol.com2015-07-22 → 2016-11-12 · 4 obs
● 2016-11-12 14:23:26
○ 2026-03-22 09:02:44
○ 2026-03-24 22:53:24
○NSpdns04.domaincontrol.com2015-07-22 → 2016-11-12 · 4 obs
● 2016-11-12 14:23:26
○ 2026-03-22 09:02:44
○ 2026-03-24 22:53:24
○MXalt1.aspmx.l.google.com2015-07-22 → 2016-11-12 · 4 obs
● 2016-11-12 14:23:26
○ 2026-03-22 09:02:44
○ 2026-03-24 22:53:24
○MXalt2.aspmx.l.google.com2015-07-22 → 2016-11-12 · 4 obs
● 2016-11-12 14:23:26
○ 2026-03-22 09:02:44
○ 2026-03-24 22:53:24
○MXaspmx.l.google.com2015-07-22 → 2016-11-12 · 4 obs
● 2016-11-12 14:23:26
○ 2026-03-22 09:02:44
○ 2026-03-24 22:53:24
○MXaspmx2.googlemail.com2015-07-22 → 2016-11-12 · 4 obs
● 2016-11-12 14:23:26
○ 2026-03-22 09:02:44
○ 2026-03-24 22:53:24
○MXaspmx3.googlemail.com2015-07-22 → 2016-11-12 · 4 obs
● 2016-11-12 14:23:26
○ 2026-03-22 09:02:44
○ 2026-03-24 22:53:24
○MXaspmx4.googlemail.com2015-07-22 → 2016-11-12 · 4 obs
● 2016-11-12 14:23:26
○ 2026-03-22 09:02:44
○ 2026-03-24 22:53:24
○MXaspmx5.googlemail.com2015-07-22 → 2016-11-12 · 4 obs
● 2016-11-12 14:23:26
○ 2026-03-22 09:02:44
○ 2026-03-24 22:53:24
●MXcp33.g-dns.com2026-03-22 → 2026-03-24 · 3 obs
● 2026-03-22 09:02:44
● 2026-03-24 22:53:24
○A122.147.183.432015-07-22 → 2016-05-06 · 4 obs
● 2016-05-06 16:37:18
○ 2016-11-12 14:23:26
○ 2026-03-24 22:53:24
○A122.147.183.652016-11-12 → 2016-11-12 · 4 obs
● 2016-11-12 14:23:26
○ 2026-03-22 09:02:44
○ 2026-03-24 22:53:24
●A43.254.17.152026-03-22 → 2026-03-24 · 3 obs
● 2026-03-22 09:02:44
● 2026-03-24 22:53:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com.tw | g.twnic.net.tw, f.twnic.net.tw, h.twnic.net.tw, e.twnic.net.tw... | - |
| ctu.com.tw | ns2.g-dns.com, ns1.g-dns.com | - |
✅ Authoritative Response
Server:43.254.17.14
NS records: ns2.g-dns.com, ns1.g-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for com.tw (unsigned zone)
⏱️ Timing
Total: 1186ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 43.254.17.15 |
| NS | 2 | ns2.g-dns.com, ns1.g-dns.com |
| MX | 1 | cp33.g-dns.com (pri: 0) |
| TXT | 1 | v=spf1 ip4:43.254.17.12 include:_spf.eee |
| SOA | 1 | ns1.g-dns.com whmlog.ipmi.tw |
Analysis
Hierarchy
ctu.com.tw is the parent of ntcag.ctu.com.tw.
IP Addresses
ctu.com.tw points to a single IP number: 43.254.17.15.
other host names for instance ade.com.tw, yoyolife.com.tw, salute-interactive.com, happyfate.com.tw and electricity.com.tw share IP numbers with ctu.com.tw.
Name Servers
ctu.com.tw is delegated to two name servers: ns1.g-dns.com and ns2.g-dns.com.
ctu.com.tw shares the same name server setup as other domains, for example waabb.com, neotekautoparts.com.tw, jinwei.tw, sdi.org.tw and tscl.org.tw.
ctu.com.tw at least partially shares name servers with other domains, for instance dortex-kc.tw, ystn.com.tw, keitan.com.tw, yung168.com.tw and fishwater.com.tw.
Host names with one IP number:
The host ns1.g-dns.com points to 43.254.17.13 and the host ns2.g-dns.com points to 43.254.17.14.
Mail Servers
ctu.com.tw is handled by a single mail server, cp33.g-dns.com.
ctu.com.tw shares the same mail server setup as other domains, for instance artec.com.tw, sogowine.com.tw, e-seed.com.tw, newr.com.tw and ksblife.com.tw.
Host name cp33.g-dns.com points to IP address 43.254.17.15.