mastercheng.com.tw - robtex.com
mastercheng.com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| A | 60.248.109.57🇹🇼 HiNet60.248.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | mail.jfgroup.com.tw | ||||||
| NS | router.mastercheng.com.tw ⭐ ⚠️ Not in parent delegation | ||||||
| A | 60.248.109.57🇹🇼 HiNet60.248.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | mail.jfgroup.com.tw | ||||||
| NS | dns1.mastercheng.com.tw ⚠️ Not in zone NS records | ||||||
| A | 60.248.109.57🇹🇼 HiNet60.248.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | mail.jfgroup.com.tw | ||||||
| NS | dns2.mastercheng.com.tw ⚠️ Not in zone NS records | ||||||
| A | 60.248.109.55🇹🇼 HiNet60.248.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | 60-248-109-55.hinet-ip.hinet.net | ||||||
| MX | mail.mastercheng.com.tw ⭐ | ||||||
| A | 60.248.109.57🇹🇼 HiNet60.248.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | mail.jfgroup.com.tw | ||||||
| TXT | v=spf1 ip4:60.248.109.57/32 -all | ||||||
| SOA | router.mastercheng.com.twroot@mastercheng.com.tw 2001-01-01 #1 | ||||||
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=2006345110 | ||||||
Subdomains
Same first word
mastercheng.com |
mastercheng.com.tw |
Similar names
DNS History
5 records (5 active, 0 former)
●NSdns1.mastercheng.com.tw2026-04-14 → 2026-04-24 · 2 obs
● 2026-04-24 22:15:48
●NSdns2.mastercheng.com.tw2026-04-14 → 2026-04-24 · 2 obs
● 2026-04-24 22:15:48
●NSrouter.mastercheng.com.tw2026-04-14 → 2026-04-24 · 2 obs
● 2026-04-24 22:15:48
●MXmail.mastercheng.com.tw2026-04-14 → 2026-04-24 · 2 obs
● 2026-04-24 22:15:48
●A60.248.109.572026-04-14 → 2026-04-24 · 2 obs
● 2026-04-24 22:15:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | e.dns.tw, c.dns.tw, d.dns.tw, a.dns.tw... | - |
| mastercheng.com.tw | dns1.mastercheng.com.tw, dns2.mastercheng.com.tw | 2 records |
✅ Authoritative Response
Server:60.248.109.57
NS records: dns1.mastercheng.com.tw, dns2.mastercheng.com.tw
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mastercheng.com.tw (unsigned zone)
⏱️ Timing
Total: 929ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 60.248.109.57 |
| NS | 1 | router.mastercheng.com.tw |
| MX | 1 | mail.mastercheng.com.tw (pri: 1) |
| TXT | 1 | v=spf1 ip4:60.248.109.57/32 -all |
| SOA | 1 | router.mastercheng.com.tw root.masterche |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (dns2.mastercheng.com.tw, dns1.mastercheng.com.tw)
Analysis
Hierarchy
mastercheng.com.tw is a parent of dns1.mastercheng.com.tw, router.mastercheng.com.tw, dns2.mastercheng.com.tw and mail.mastercheng.com.tw.
IP Addresses
mastercheng.com.tw points to a single IP: 60.248.109.57.
Other host names, for instance router.jfgroup.com.tw, mail.licomled.com, dns1.toa-twn.com.tw, bigpower314.com.tw and libbeydesign.com.tw share IP numbers with mastercheng.com.tw.
Name Servers
mastercheng.com.tw is delegated to three name servers: dns1.mastercheng.com.tw, dns2.mastercheng.com.tw and router.mastercheng.com.tw.
Host names sharing a single IP address:
Host name dns1.mastercheng.com.tw points to 60.248.109.57.
Host name dns2.mastercheng.com.tw points to 60.248.109.55.
Host name router.mastercheng.com.tw points to 60.248.109.57.
Host names sharing 60.248.109.57: dns1.mastercheng.com.tw and router.mastercheng.com.tw.
Mail Servers
mastercheng.com.tw is served by a single mail server, mail.mastercheng.com.tw.
mail.mastercheng.com.tw points to IP number 60.248.109.57.