cas.org.tw - robtex.com
cas.org.tw
| DNSSEC | ⚠️ Not signed | ||||||
| NS | admns1.hinet.net ⭐ | ||||||
| A | 2001:b000:168::192:32🇹🇼 HiNet2001:b000:100::/40 | ||||||
| PTR | admns1.hinet.net | ||||||
| A | 168.95.192.32🇹🇼 HiNet168.95.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | admns1.hinet.net | ||||||
| NS | admns2.hinet.net | ||||||
| A | 2001:b000:180:80d:203:74:116:192🇹🇼 HiNet2001:b000:100::/40 | ||||||
| PTR | admns2.hinet.net | ||||||
| A | 203.74.116.192🇹🇼 HiNet203.74.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | admns2.hinet.net | ||||||
| MX | security2.mailcloud.com.tw ⭐ | ||||||
| A | 210.242.150.165🇹🇼 HiNet210.242.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | security2.mailcloud.com.tw | ||||||
| MX | security.mailcloud.com.tw(20) | ||||||
| A | 203.69.82.86🇹🇼 HiNet203.69.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | security.mailcloud.com.tw | ||||||
| TXT | v=spf1 include:_spf.mailcloud.com.tw ~all | ||||||
| SOA | admns1.hinet.nethostmaster@hinet.net serial=1775934001 | ||||||
org.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=1999640647 | ||||||
WOT: SAFE (78/100)
Subdomains
www.cas.org.tw |
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
○MXdns1.cas.org.tw2015-08-04 → 2017-11-02 · 4 obs
● 2017-11-02 17:10:26
○ 2026-03-30 17:11:00
○ 2026-04-11 21:59:20
●MXsecurity.mailcloud.com.tw2026-03-30 → 2026-04-11 · 3 obs
● 2026-03-30 17:11:00
● 2026-04-11 21:59:20
●MXsecurity2.mailcloud.com.tw2026-03-30 → 2026-04-11 · 3 obs
● 2026-03-30 17:11:00
● 2026-04-11 21:59:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org.tw | g.twnic.net.tw, b.twnic.net.tw, a.twnic.net.tw, d.twnic.net.tw... | - |
| cas.org.tw | admns2.hinet.net, admns1.hinet.net | - |
✅ Authoritative Response
Server:203.74.116.192
NS records: admns2.hinet.net, admns1.hinet.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for org.tw (unsigned zone)
⏱️ Timing
Total: 1260ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | admns1.hinet.net, admns2.hinet.net |
| MX | 2 | security2.mailcloud.com.tw (pri: 20), security.mailcloud.com.tw (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.mailcloud.com.tw ~al |
| SOA | 1 | admns1.hinet.net hostmaster.hinet.net |
Analysis
Hierarchy
cas.org.tw is the parent of www.cas.org.tw.
Name Servers
cas.org.tw is delegated to two name servers: admns1.hinet.net and admns2.hinet.net.
cas.org.tw shares the same name server setup as other domains, for example qpd.com.tw, han-sun.com, brotium.com, socialvalue.org.tw and sg-wasabi.com.tw.
Host names with two IP numbers:
admns1.hinet.net points to 2001:b000:168::192:32 and 168.95.192.32
admns2.hinet.net points to 2001:b000:180:80d:203:74:116:192 and 203.74.116.192
Mail Servers
cas.org.tw is handled by two mail servers: security2.mailcloud.com.tw and security.mailcloud.com.tw.
cas.org.tw shares the same mail server setup as other domains, for instance kaopin.com.tw, polywell.com.tw, asiasun.com.tw, p-yamako.com.tw and willingbikes.com.
cas.org.tw shares mail servers with other domains at least partially, including shinetech.com.tw, scanliving.com.tw, dvspa.com, transcend.com.tw and syncomm.com.tw.
Host names with one IP number:
The host security2.mailcloud.com.tw points to 210.242.150.165 and the host security.mailcloud.com.tw points to 203.69.82.86.