itmaster.com.tw - robtex.com
itmaster.com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:b031:8006:ff34::12🇹🇼 HiNet2001:b031:8000::/36 | ||||||
| PTR | 2001-b031-8006-ff34-0000-0000-0000-0012.hinet-ip6.hinet.net | ||||||
| A | 61.221.12.95🇹🇼 HiNet61.221.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| NS | hct3.rockpie.com ⭐ | ||||||
| A | 61.221.12.95🇹🇼 HiNet61.221.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | 2hct.rockpie.com | ||||||
| NS | hct4.rockpie.com | ||||||
| A | 61.221.12.95🇹🇼 HiNet61.221.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | 2hct.rockpie.com | ||||||
| MX | mail.itmaster.com.tw ⭐ | ||||||
| A | 125.227.74.212🇹🇼 HiNet125.227.0.0/16 descr: (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | hct.rockpie.com | ||||||
| TXT | v=spf1 ip4:61.221.12.95 +a +mx +ip4:125.227.74.212 ~all | ||||||
| SOA | hct3.rockpie.comsales@serverzoo.com 2026-02-28 #3 | ||||||
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=2006337643 | ||||||
Subdomains
mail.itmaster.com.tw |
Same first word
Similar names
DNS History
9 records (5 active, 4 former)
●NShct3.rockpie.com2026-03-26 → 2026-03-27 · 3 obs
● 2026-03-26 17:24:00
● 2026-03-27 00:22:32
●NShct4.rockpie.com2026-03-26 → 2026-03-27 · 3 obs
● 2026-03-26 17:24:00
● 2026-03-27 00:22:32
○NSns1.hct.tw2015-08-19 → 2017-03-29 · 4 obs
● 2017-03-29 18:03:14
○ 2026-03-26 17:24:00
○ 2026-03-27 00:22:32
○NSns2.hct.tw2015-08-19 → 2017-03-29 · 4 obs
● 2017-03-29 18:03:14
○ 2026-03-26 17:24:00
○ 2026-03-27 00:22:32
●MXmail.itmaster.com.tw2015-08-19 → 2026-03-27 · 2 obs
● 2026-03-27 00:22:32
○A118.163.207.922015-08-19 → 2016-04-03 · 4 obs
● 2016-04-03 05:16:54
○ 2017-03-29 18:03:14
○ 2026-03-27 00:22:32
●A2001:b031:8006:ff34::122026-03-26 → 2026-03-27 · 3 obs
● 2026-03-26 17:24:00
● 2026-03-27 00:22:32
○A61.221.12.1262017-03-29 → 2017-03-29 · 4 obs
● 2017-03-29 18:03:14
○ 2026-03-26 17:24:00
○ 2026-03-27 00:22:32
●A61.221.12.952026-03-26 → 2026-03-27 · 3 obs
● 2026-03-26 17:24:00
● 2026-03-27 00:22:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com.tw | f.twnic.net.tw, a.twnic.net.tw, h.dns.tw, h.twnic.net.tw... | - |
| itmaster.com.tw | hct4.rockpie.com, hct3.rockpie.com | - |
✅ Authoritative Response
Server:61.221.12.95
NS records: hct4.rockpie.com, hct3.rockpie.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for com.tw (unsigned zone)
⏱️ Timing
Total: 776ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 61.221.12.95 |
| AAAA | 1 | 2001:b031:8006:ff34::12 |
| NS | 2 | hct3.rockpie.com, hct4.rockpie.com |
| MX | 1 | mail.itmaster.com.tw (pri: 0) |
| TXT | 1 | v=spf1 ip4:61.221.12.95 +a +mx +ip4:125. |
| SOA | 1 | hct3.rockpie.com sales.serverzoo.com |
Analysis
Hierarchy
The parent of mail.itmaster.com.tw is itmaster.com.tw.
IP Addresses
itmaster.com.tw resolves to two IP numbers: 2001:b031:8006:ff34::12 and 61.221.12.95.
Other host names, for instance www.artist-tech.com.tw, www.lionkids.com.tw, 2hct.rockpie.com, tw-sec.net and www.atek.com.tw share IP numbers with itmaster.com.tw.
Name Servers
Two name servers hct3.rockpie.com and hct4.rockpie.com handle delegation for itmaster.com.tw.
itmaster.com.tw uses the same name server setup as other domains, for example tw-sec.net, syuan.com.tw, shho.com.tw, 108h.net and concord-at.com.
Host names with one IP number
Host name hct3.rockpie.com points to 61.221.12.95
Host name hct4.rockpie.com points to 61.221.12.95
Host names that point to 61.221.12.95: hct3.rockpie.com and hct4.rockpie.com
Mail Servers
itmaster.com.tw is handled by a single mail server, mail.itmaster.com.tw.
mail.itmaster.com.tw points to a single IP: 125.227.74.212.