ptgroup.com.tw - robtex.com
ptgroup.com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| A | 60.249.132.238🇹🇼 HiNet60.249.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | 60-249-132-238.hinet-ip.hinet.net | ||||||
| A | 122.146.193.21🇹🇼 NCIC-TW122.146.192.0/19 New Century InfoComm Tech Co., Ltd. Taipei, Taiwan,(ROC) | ||||||
| NS | dns1.ptgroup.com.tw ⭐ | ||||||
| A | 122.146.193.21🇹🇼 NCIC-TW122.146.192.0/19 New Century InfoComm Tech Co., Ltd. Taipei, Taiwan,(ROC) | ||||||
| PTR | 122-146-193-21.static.sparqnet.net | ||||||
| NS | dns.ptgroup.com.tw | ||||||
| A | 192.168.100.1 | ||||||
| NS | dns2.ptgroup.com.tw | ||||||
| A | 60.249.132.238🇹🇼 HiNet60.249.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | 60-249-132-238.hinet-ip.hinet.net | ||||||
| NS | ptgroup.com.tw ⚠️ Not in zone NS records | ||||||
| A | 60.249.132.238🇹🇼 HiNet60.249.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | 60-249-132-238.hinet-ip.hinet.net | ||||||
| A | 122.146.193.21🇹🇼 NCIC-TW122.146.192.0/19 New Century InfoComm Tech Co., Ltd. Taipei, Taiwan,(ROC) | ||||||
| PTR | 122-146-193-21.static.sparqnet.net | ||||||
| NS | router.ptgroup.com.tw ⚠️ Not in zone NS records | ||||||
| A | 60.249.132.238🇹🇼 HiNet60.249.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | 60-249-132-238.hinet-ip.hinet.net | ||||||
| A | 122.146.193.21🇹🇼 NCIC-TW122.146.192.0/19 New Century InfoComm Tech Co., Ltd. Taipei, Taiwan,(ROC) | ||||||
| PTR | 122-146-193-21.static.sparqnet.net | ||||||
| MX | mail.ptgroup.com.tw ⭐ | ||||||
| A | 60.249.132.240🇹🇼 HiNet60.249.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | mail.ptgroup.com.tw | ||||||
| A | 122.146.193.19🇹🇼 NCIC-TW122.146.192.0/19 New Century InfoComm Tech Co., Ltd. Taipei, Taiwan,(ROC) | ||||||
| PTR | mail.ptgroup.com.tw | ||||||
| TXT | v=spf1 mx a ip4:122.146.193.19 ip4:60.249.132.240 ip4:60.249.132.238 ip4:122.... | ||||||
| SOA | dns.ptgroup.com.twcjy@mail.ptgroup.com.tw 2026-02-23 #4 | ||||||
com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.twnic.net.tw ⭐ | ||||||
| SOA | a.twnic.net.twsnw@twnic.net.tw serial=2006337086 | ||||||
NS for
ptgroup.com.tw |
Subdomains
dns1.ptgroup.com.tw |
dns.ptgroup.com.tw |
router.ptgroup.com.tw |
dns2.ptgroup.com.tw |
ms2.ptgroup.com.tw |
mail.ptgroup.com.tw |
Same first word
Similar names
DNS History
10 records (8 active, 2 former)
●NSdns.ptgroup.com.tw2026-02-17 → 2026-03-25 · 3 obs
● 2026-02-17 11:39:00
● 2026-03-25 06:52:24
●NSdns1.ptgroup.com.tw2015-06-06 → 2026-03-25 · 2 obs
● 2026-03-25 06:52:24
●NSdns2.ptgroup.com.tw2026-02-17 → 2026-03-25 · 3 obs
● 2026-02-17 11:39:00
● 2026-03-25 06:52:24
●NSptgroup.com.tw2026-02-17 → 2026-03-25 · 3 obs
● 2026-02-17 11:39:00
● 2026-03-25 06:52:24
●NSrouter.ptgroup.com.tw2026-02-17 → 2026-03-25 · 3 obs
● 2026-02-17 11:39:00
● 2026-03-25 06:52:24
●MXmail.ptgroup.com.tw2015-06-06 → 2026-03-25 · 2 obs
● 2026-03-25 06:52:24
○MXms2.ptgroup.com.tw2017-04-10 → 2017-07-06 · 5 obs
● 2017-04-10 12:15:00
● 2017-07-06 07:27:48
○ 2026-02-17 11:39:00
○ 2026-03-25 06:52:24
○MXmstest.ptgroup.com.tw2015-12-29 → 2016-09-19 · 5 obs
● 2015-12-29 19:20:34
● 2016-09-19 03:03:08
○ 2017-04-10 12:15:00
○ 2026-03-25 06:52:24
●A122.146.193.212015-06-06 → 2026-03-25 · 2 obs
● 2026-03-25 06:52:24
●A60.249.132.2382015-06-06 → 2026-03-25 · 2 obs
● 2026-03-25 06:52:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com.tw | h.dns.tw, f.twnic.net.tw, anytld.apnic.net, e.twnic.net.tw... | - |
| ptgroup.com.tw | ptgroup.com.tw, dns1.ptgroup.com.tw, dns2.ptgroup.com.tw, router.ptgroup.com.tw | 4 records |
✅ Authoritative Response
Server:122.146.193.21
NS records: ptgroup.com.tw, dns1.ptgroup.com.tw, dns2.ptgroup.com.tw, router.ptgroup.com.tw
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for com.tw (unsigned zone)
⏱️ Timing
Total: 673ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 122.146.193.21, 60.249.132.238 |
| NS | 2 | dns1.ptgroup.com.tw, dns2.ptgroup.com.tw |
| MX | 1 | mail.ptgroup.com.tw (pri: 10) |
| TXT | 1 | v=spf1 mx a ip4:122.146.193.19 ip4:60.24 |
| SOA | 1 | dns.ptgroup.com.tw cjy.mail.ptgroup.com. |
📌 Glue Records Collected
Total: 4
In-bailiwick: 4 (ptgroup.com.tw, router.ptgroup.com.tw, dns2.ptgroup.com.tw...)
Analysis
Hierarchy
ptgroup.com.tw is the parent of dns1.ptgroup.com.tw, dns.ptgroup.com.tw, router.ptgroup.com.tw, dns2.ptgroup.com.tw, ms2.ptgroup.com.tw and a few other host names.
Name Server Role
For ptgroup.com.tw, ptgroup.com.tw serves as a name server for ptgroup.com.tw.
Name servers commonly include dns1.ptgroup.com.tw, dns2.ptgroup.com.tw and dns.ptgroup.com.tw together with ptgroup.com.tw.
IP Addresses
The entity ptgroup.com.tw points to two IP numbers: 60.249.132.238 and 122.146.193.21.
Other host names include router.ptgroup.com.tw, dns2.ptgroup.com.tw, 60-249-132-238.hinet-ip.hinet.net and dns1.ptgroup.com.tw that share IP numbers with ptgroup.com.tw.
Name Servers
ptgroup.com.tw is delegated to five name servers: ptgroup.com.tw, dns1.ptgroup.com.tw, dns2.ptgroup.com.tw, dns.ptgroup.com.tw and router.ptgroup.com.tw.
Host names with two IP numbers: ptgroup.com.tw and router.ptgroup.com.tw point to 60.249.132.238 and 122.146.193.21.
Host names with one IP number: dns1.ptgroup.com.tw points to 122.146.193.21; dns2.ptgroup.com.tw points to 60.249.132.238; dns.ptgroup.com.tw points to 192.168.100.1.
Host names that point to 60.249.132.238: ptgroup.com.tw, router.ptgroup.com.tw and dns2.ptgroup.com.tw.
Host names that point to 122.146.193.21: ptgroup.com.tw, router.ptgroup.com.tw and dns1.ptgroup.com.tw.
Mail Servers
ptgroup.com.tw is handled by a single mail server, mail.ptgroup.com.tw.
The mail server setup of ptgroup.com.tw is the same as that of other domains, for instance mail.ptgroup.com.tw.
mail.ptgroup.com.tw resolves to two IPs: 60.249.132.240 and 122.146.193.19.