chct.com.tw - robtex.com
chct.com.tw
com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| 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=2006338068 | ||||||
Same first word
Similar names
DNS History
10 records (5 active, 5 former)
●NSdns.twmail.org2026-03-27 → 2026-03-28 · 3 obs
● 2026-03-27 11:01:26
● 2026-03-28 22:06:58
●NSdns2.twmail.org2026-03-27 → 2026-03-28 · 3 obs
● 2026-03-27 11:01:26
● 2026-03-28 22:06:58
○NSns.chct.com.tw2015-06-08 → 2017-02-13 · 4 obs
● 2017-02-13 15:52:34
○ 2026-03-27 11:01:26
○ 2026-03-28 22:06:58
○NSns2.chct.com.tw2015-06-08 → 2017-02-13 · 4 obs
● 2017-02-13 15:52:34
○ 2026-03-27 11:01:26
○ 2026-03-28 22:06:58
○NSns3.chct.com.tw2015-06-08 → 2017-02-13 · 4 obs
● 2017-02-13 15:52:34
○ 2026-03-27 11:01:26
○ 2026-03-28 22:06:58
○MXmailfilter.chct.com.tw2015-06-08 → 2017-02-13 · 4 obs
● 2017-02-13 15:52:34
○ 2026-03-27 11:01:26
○ 2026-03-28 22:06:58
●MXntvirus.url.com.tw2026-03-27 → 2026-03-28 · 3 obs
● 2026-03-27 11:01:26
● 2026-03-28 22:06:58
●MXntvirus2.url.com.tw2026-03-27 → 2026-03-28 · 3 obs
● 2026-03-27 11:01:26
● 2026-03-28 22:06:58
○A203.69.42.232015-06-08 → 2017-02-13 · 4 obs
● 2017-02-13 15:52:34
○ 2026-03-27 11:01:26
○ 2026-03-28 22:06:58
●A211.72.204.1882026-03-27 → 2026-03-28 · 3 obs
● 2026-03-27 11:01:26
● 2026-03-28 22:06:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com.tw | f.twnic.net.tw, a.twnic.net.tw, h.dns.tw, anytld.apnic.net... | - |
| chct.com.tw | dns2.twmail.org, dns.twmail.org | - |
✅ Authoritative Response
Server:211.72.204.250
NS records: dns2.twmail.org, dns.twmail.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for com.tw (unsigned zone)
⏱️ Timing
Total: 1183ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 211.72.204.188 |
| NS | 2 | dns2.twmail.org, dns.twmail.org |
| MX | 2 | ntvirus2.url.com.tw (pri: 10), ntvirus.url.com.tw (pri: 10) |
| TXT | 1 | v=spf1 a mx ptr ip4:210.59.228.0/24 ip4: |
| SOA | 1 | dns.twmail.org admin.corp.url.com.tw |
Analysis
IP Addresses
chct.com.tw points to a single IP: 211.72.204.188.
Other host names, for instance feisol.com, beanbeanmagic.com.tw, gardine.com.tw, podak.com.tw and acece.com.tw share IP numbers with chct.com.tw.
Name Servers
Two name servers dns2.twmail.org and dns.twmail.org handle delegation for chct.com.tw.
chct.com.tw uses the same name server setup as other domains, for example gkbsecurity.com, newguard.url.tw, raburabu.com.tw, printxprint.com and gsm.com.tw.
chct.com.tw shares name servers with other domains at least partially, for instance shang-i.com, 228.59.210.in-addr.arpa, fleurlis.com.tw and rollomatic.com.tw.
Host names with two IP numbers:
dns2.twmail.org points to: 2001:b034:201:400:211:72:204:250 and 211.72.204.250
dns.twmail.org points to: 2001:b034:1:800:210:59:228:119 and 210.59.228.119
Mail Servers
chct.com.tw is handled by two mail servers: ntvirus2.url.com.tw and ntvirus.url.com.tw.
chct.com.tw has the same mail server setup as other domains, including yunix.com.tw, sunlane.com.tw, daosgroup.com, dashisef.url.tw and cbit.org.tw.
Some mail servers are shared between chct.com.tw and other domains, for example topkid.com.tw.
Host names with four IP numbers:
ntvirus2.url.com.tw and ntvirus.url.com.tw point to: 210.59.228.117, 210.59.228.172, 210.59.228.173 and 210.59.228.178.
Host names that point to 210.59.228.117: ntvirus2.url.com.tw and ntvirus.url.com.tw.
Host names that point to 210.59.228.172: ntvirus2.url.com.tw and ntvirus.url.com.tw.
Host names that point to 210.59.228.173: ntvirus2.url.com.tw and ntvirus.url.com.tw.
Host names that point to 210.59.228.178: ntvirus2.url.com.tw and ntvirus.url.com.tw.