cdhmis.com - robtex.com
cdhmis.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.123.242.102🇹🇼 TELX-AS21859103.123.242.0/23 ZL-IDC-LAX-W71196 | ||||||
| PTR | 103-123-242-102.static.ip.net.tw | ||||||
| NS | a.g-dns.com ⭐ | ||||||
| A | 2407:7100:1000:1020::a:136🇹🇼 YUANJHEN-TW2407:7100::/32 Asia Pacific Telecom proxy announcement NOC.tw | ||||||
| PTR | a.g-dns.com | ||||||
| A | 103.17.9.136🇹🇼 YUANJHEN-TW103.17.8.0/23 Taiwan Network Information Center 3F., No. 123, Sec. 4, Bade Rd., Songshan Dist. | ||||||
| PTR | a.g-dns.com | ||||||
| NS | b.g-dns.com | ||||||
| A | 2407:7100:7000:2116:4:0:b:86🇹🇼 YUANJHEN-TW2407:7100:7000::/36 | ||||||
| PTR | b.g-dns.com | ||||||
| A | 103.1.221.86🇹🇼 YUANJHEN-TW103.1.220.0/23 Yuan-Jhen Info., Co., Ltd 12F., No.866-7, Zhongzheng Rd., Zhonghe Dist.,New Taipei City, 235, R.O.C NewTaipei City | ||||||
| PTR | b.g-dns.com | ||||||
| NS | c.g-dns.com | ||||||
| A | 2607:a400:2:1f:3000:130:c:236🇺🇸 TELX-AS218592607:a400::/32 ZL-LA-V6-03 | ||||||
| A | 103.123.242.236🇹🇼 TELX-AS21859103.123.242.0/23 ZL-IDC-LAX-W71196 | ||||||
| PTR | c.g-dns.com | ||||||
| MX | mail.cdhmis.com(50) | ||||||
| A | 211.21.164.190🇹🇼 HiNet211.21.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | mail.cdhmis.com | ||||||
| TXT | v=spf1 a:mail.cdhmis.com ip4:211.21.164.187 ip4:211.21.164.190 include:_spf.g... | ||||||
| SOA | a.g-dns.comsupport@twnoc.net 2026-06-24 #1 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1786609449 | ||||||
Subdomains
mail.cdhmis.com |
Same first word
cdhmis.com |
Similar names
DNS History
5 records (5 active, 0 former)
●MXmail.cdhmis.com2026-05-05 → 2026-08-13 · 2 obs
● 2026-08-13 08:40:08
●A103.123.242.1022026-05-05 → 2026-08-13 · 2 obs
● 2026-08-13 08:40:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, i.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net... | - |
| cdhmis.com | a.g-dns.com, b.g-dns.com, c.g-dns.com | 3 records |
✅ Authoritative Response
Server:103.123.242.236
NS records: a.g-dns.com, b.g-dns.com, c.g-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cdhmis.com (unsigned zone)
⏱️ Timing
Total: 319ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.123.242.102 |
| NS | 3 | a.g-dns.com, c.g-dns.com... |
| MX | 2 | mail.cdhmis.com (pri: 50), mail.cdhmis.com (pri: 10) |
| TXT | 1 | v=spf1 a:mail.cdhmis.com ip4:211.21.164. |
| SOA | 1 | a.g-dns.com support.twnoc.net |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (a.g-dns.com, b.g-dns.com, c.g-dns.com)
Analysis
Hierarchy
The domain mail.cdhmis.com falls under the parent cdhmis.com.
IP Addresses
cdhmis.com directs to one IP number, which is 103.123.242.102.
Among the host names that share IP numbers with cdhmis.com are www.9001.org.tw, tranxform.com, binli168.com and two others.
Name Servers
The authoritative name servers for cdhmis.com are a.g-dns.com, b.g-dns.com and c.g-dns.com — three in total.
At least some of cdhmis.com's name servers are shared with other domains, for example wimoon.com, seoul.com.tw, tayu.com.tw and two more.
a.g-dns.com, b.g-dns.com and c.g-dns.com all resolve to exactly two IP numbers apiece: a.g-dns.com → 103.17.9.136 and 2407:7100:1000:1020::a:136; b.g-dns.com → 103.1.221.86 and 2407:7100:7000:2116:4:0:b:86; c.g-dns.com → 103.123.242.236 and 2607:a400:2:1f:3000:130:c:236.
Mail Servers
cdhmis.com routes its mail through a single mail server, mail.cdhmis.com.
mail.cdhmis.com directs to just one IP number, 211.21.164.190.