coding.tw - robtex.com
coding.tw
| DNSSEC | ⚠️ Not signed | ||||||
| A | 1.2.3.4 | ||||||
| NS | dns.coding.tw.coding.tw ⭐ | ||||||
| A | 220.135.84.94🇹🇼 HiNet220.135.0.0/16 | ||||||
| PTR | 220-135-84-94.hinet-ip.hinet.net | ||||||
| NS | dns.coding.tw ⚠️ Not in parent delegation | ||||||
| A | 220.135.84.94🇹🇼 HiNet220.135.0.0/16 | ||||||
| PTR | 220-135-84-94.hinet-ip.hinet.net | ||||||
| NS | dns1.coding.tw ⚠️ Not in zone NS records | ||||||
| A | 220.135.84.94🇹🇼 HiNet220.135.0.0/16 | ||||||
| PTR | 220-135-84-94.hinet-ip.hinet.net | ||||||
| NS | dns2.coding.tw ⚠️ Not in parent delegation | ||||||
| A | 220.135.84.94🇹🇼 HiNet220.135.0.0/16 | ||||||
| PTR | 220-135-84-94.hinet-ip.hinet.net | ||||||
| MX | isp.coding.tw ⭐ | ||||||
| A | 220.135.84.94🇹🇼 HiNet220.135.0.0/16 | ||||||
| PTR | 220-135-84-94.hinet-ip.hinet.net | ||||||
| TXT | v=spf1 ip4:220.135.84.94/24 -all | ||||||
| SOA | dns.coding.tw.coding.twjerry@coding.tw.coding.tw 2026-01-24 #9 | ||||||
tw
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.tw ⭐ | ||||||
| NS | anytld.apnic.net ⚠️ Not in parent delegation | ||||||
| NS | b.dns.tw | ||||||
| NS | c.dns.tw | ||||||
| NS | d.dns.tw | ||||||
| NS | e.dns.tw | ||||||
| NS | f.dns.tw | ||||||
| NS | g.dns.tw | ||||||
| NS | h.dns.tw | ||||||
| SOA | a.dns.twsnw@twnic.net.tw 2011-01-03 #94 | ||||||
Subdomains
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
○NSdns2017-02-05 → 2017-02-05 · 3 obs
○ 2026-02-17 05:22:58
○ 2026-05-09 17:35:30
●NSdns.coding.tw2017-02-05 → 2026-05-09 · 2 obs
● 2026-05-09 17:35:30
●NSdns.coding.tw.coding.tw2026-02-17 → 2026-05-09 · 3 obs
● 2026-02-17 05:22:58
● 2026-05-09 17:35:30
●NSdns1.coding.tw2026-02-17 → 2026-05-09 · 3 obs
● 2026-02-17 05:22:58
● 2026-05-09 17:35:30
●NSdns2.coding.tw2026-02-17 → 2026-05-09 · 3 obs
● 2026-02-17 05:22:58
● 2026-05-09 17:35:30
●MXisp.coding.tw2026-02-17 → 2026-05-09 · 3 obs
● 2026-02-17 05:22:58
● 2026-05-09 17:35:30
○MXmail.coding.tw2017-02-05 → 2017-02-05 · 3 obs
○ 2026-02-17 05:22:58
○ 2026-05-09 17:35:30
●A1.2.3.42026-02-17 → 2026-05-09 · 2 obs
● 2026-05-09 17:35:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | g.dns.tw, b.dns.tw, a.dns.tw, d.dns.tw... | - |
| coding.tw | dns.coding.tw | 1 record |
✅ Authoritative Response
Server:220.135.84.94
NS records: dns.coding.tw
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coding.tw (unsigned zone)
⏱️ Timing
Total: 829ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 1.2.3.4 |
| NS | 2 | dns1.coding.tw, dns2.coding.tw |
| MX | 1 | isp.coding.tw (pri: 1) |
| TXT | 1 | v=spf1 ip4:220.135.84.94/24 -all |
| SOA | 1 | dns.coding.tw.coding.tw jerry.coding.tw. |
📌 Glue Records Collected
Total: 1
In-bailiwick: 1 (dns.coding.tw)
Analysis
Hierarchy
coding.tw is a parent of dns.coding.tw, tw.coding.tw, dns1.coding.tw, isp.coding.tw and dns2.coding.tw.
IP Addresses
coding.tw points to a single IP number: 1.2.3.4.
Other host names, for instance 125.208.160.70.cbn.net.id, freelittlebirds.net, pinto.lakeforest.edu, 208.174.173.cbn.net.id and ip-175-158-50-158.cbn.net.id share IP numbers with coding.tw.
Name Servers
coding.tw is delegated to four name servers: dns1.coding.tw, dns2.coding.tw, dns.coding.tw and dns.coding.tw.coding.tw.
Host names sharing a single IP
dns1.coding.tw points to: 220.135.84.94.
dns2.coding.tw points to: 220.135.84.94.
dns.coding.tw points to: 220.135.84.94.
dns.coding.tw.coding.tw points to: 220.135.84.94.
Host names pointing to 220.135.84.94: dns1.coding.tw, dns2.coding.tw, dns.coding.tw and dns.coding.tw.coding.tw.
Mail Servers
coding.tw is handled by a single mail server, isp.coding.tw.
isp.coding.tw points to a single IP: 220.135.84.94.