developer.tw - robtex.com
developer.tw
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.33.130.190🇺🇸 Amazon3.33.128.0/20 | ||||||
| A | 15.197.148.33🇺🇸 Amazon15.197.144.0/20 | ||||||
| NS | ns15.domaincontrol.com ⭐ | ||||||
| NS | ns16.domaincontrol.com | ||||||
| MX | developer-tw.mail.protection.outlook.com ⭐ | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com -all | ||||||
| SOA | ns15.domaincontrol.comdns@jomax.net 2025-05-05 #3 | ||||||
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 2011-01-12 #3 | ||||||
DNS History
10 records (5 active, 5 former)
○NSlocalhost@2015-05-20 → 2015-05-20 · 3 obs
● 2015-05-20 06:19:56
○ 2015-10-06 16:34:08
○ 2026-05-12 01:32:22
○ 2015-10-06 16:34:08
○ 2026-05-12 01:32:22
○NSlocalhost\@2015-10-06 → 2017-02-18 · 5 obs
○ 2015-05-20 06:19:56
● 2015-10-06 16:34:08
● 2017-02-18 18:26:04
○ 2026-02-22 20:39:20
○ 2026-05-12 01:32:22
● 2015-10-06 16:34:08
● 2017-02-18 18:26:04
○ 2026-02-22 20:39:20
○ 2026-05-12 01:32:22
●NSns15.domaincontrol.com2026-02-22 → 2026-05-12 · 3 obs
○ 2017-02-18 18:26:04
● 2026-02-22 20:39:20
● 2026-05-12 01:32:22
● 2026-02-22 20:39:20
● 2026-05-12 01:32:22
●NSns16.domaincontrol.com2026-02-22 → 2026-05-12 · 3 obs
○ 2017-02-18 18:26:04
● 2026-02-22 20:39:20
● 2026-05-12 01:32:22
● 2026-02-22 20:39:20
● 2026-05-12 01:32:22
○NSpdns1.pchome.com.tw2015-05-20 → 2017-02-18 · 4 obs
● 2015-05-20 06:19:56
● 2017-02-18 18:26:04
○ 2026-02-22 20:39:20
○ 2026-05-12 01:32:22
● 2017-02-18 18:26:04
○ 2026-02-22 20:39:20
○ 2026-05-12 01:32:22
○NSpdns2.pchome.com.tw2015-05-20 → 2017-02-18 · 4 obs
● 2015-05-20 06:19:56
● 2017-02-18 18:26:04
○ 2026-02-22 20:39:20
○ 2026-05-12 01:32:22
● 2017-02-18 18:26:04
○ 2026-02-22 20:39:20
○ 2026-05-12 01:32:22
●MXdeveloper-tw.mail.protection.outlook.com2026-02-22 → 2026-05-12 · 2 obs
● 2026-02-22 20:39:20
● 2026-05-12 01:32:22
● 2026-05-12 01:32:22
○A113.196.231.2242015-05-20 → 2017-02-18 · 4 obs
● 2015-05-20 06:19:56
● 2017-02-18 18:26:04
○ 2026-02-22 20:39:20
○ 2026-05-12 01:32:22
● 2017-02-18 18:26:04
○ 2026-02-22 20:39:20
○ 2026-05-12 01:32:22
●A15.197.148.332026-02-22 → 2026-05-12 · 3 obs
○ 2017-02-18 18:26:04
● 2026-02-22 20:39:20
● 2026-05-12 01:32:22
● 2026-02-22 20:39:20
● 2026-05-12 01:32:22
●A3.33.130.1902026-02-22 → 2026-05-12 · 3 obs
○ 2017-02-18 18:26:04
● 2026-02-22 20:39:20
● 2026-05-12 01:32:22
● 2026-02-22 20:39:20
● 2026-05-12 01:32:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | a.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw... | 16 records |
| developer.tw | ns15.domaincontrol.com, ns16.domaincontrol.com | - |
✅ Authoritative Response
Server:173.201.75.8
NS records: ns15.domaincontrol.com, ns16.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for developer.tw (unsigned zone)
⏱️ Timing
Total: 2008ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.33.130.190, 15.197.148.33 |
| NS | 2 | ns15.domaincontrol.com, ns16.domaincontrol.com |
| MX | 1 | developer-tw.mail.protection.outlook.com |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns15.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 16
In-bailiwick: 14 (a.dns.tw, b.dns.tw, c.dns.tw...)
Out-of-bailiwick: 2 (anytld.apnic.net, anytld.apnic.net)
Analysis
IP Addresses
developer.tw resolves to two IPs: 3.33.130.190 and 15.197.148.33.
Name Servers
developer.tw is delegated to two name servers: ns15.domaincontrol.com and ns16.domaincontrol.com.
Mail Servers
developer.tw is handled by a single mail server, developer-tw.mail.protection.outlook.com.