exam.twstudy.com - robtex.com
exam.twstudy.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 211.20.205.239🇹🇼 HiNet211.20.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | 211-20-205-239.hinet-ip.hinet.net | ||||||
twstudy.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 211.20.205.238🇹🇼 HiNet211.20.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| NS | ns25.domaincontrol.com ⭐ | ||||||
| NS | ns26.domaincontrol.com | ||||||
| MX | mail.twstudy.com ⭐ | ||||||
| TXT | v=spf1 a=mail.twstudy.com ip4:118.163.245.93 ~all | ||||||
| TXT | facebook-domain-verification=in9qa1vhxjn2ti4s0hzkancdvywict | ||||||
| TXT | facebook-domain-verification=m4wcv7vqet6tbp0pdv63txgjt4cgi8 | ||||||
| TXT | google-site-verification=7viqwogkicjyv1ee11aAByiY8JfJXJe4aZhmsOqZojo | ||||||
| SOA | ns25.domaincontrol.comdns@jomax.net 2024-02-27 #0 | ||||||
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
○A203.69.214.1122015-06-26 → 2016-07-25 · 4 obs
● 2015-06-26 23:01:56
● 2016-07-25 21:16:54
○ 2026-02-20 19:27:38
○ 2026-03-28 00:29:52
● 2016-07-25 21:16:54
○ 2026-02-20 19:27:38
○ 2026-03-28 00:29:52
●A211.20.205.2392026-02-20 → 2026-03-28 · 3 obs
○ 2016-07-25 21:16:54
● 2026-02-20 19:27:38
● 2026-03-28 00:29:52
● 2026-02-20 19:27:38
● 2026-03-28 00:29:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| twstudy.com | ns25.domaincontrol.com, ns26.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.102.13
NS records: ns25.domaincontrol.com, ns26.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for twstudy.com (unsigned zone)
⏱️ Timing
Total: 179ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 211.20.205.239 |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns25.domaincontrol.com, ns25.domaincontrol.com, ns26.domaincontrol.com...)
Analysis
IP Addresses
exam.twstudy.com points to a single IP number: 211.20.205.239.
Other host names, for instance 211-20-205-239.hinet-ip.hinet.net, share IP numbers with exam.twstudy.com.