49519.tw - robtex.com
49519.tw
| CNAME | bzqt6nvm.139hao.com | ||||||
| CNAME | awgzcqy6.n.139hao.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 20.205.128.190🇭🇰 Microsoft20.192.0.0/10 | ||||||
| A | 172.188.31.170🇸🇬 Microsoft172.160.0.0/11 | ||||||
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 serial=2011048721 | ||||||
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●NSns7.alidns.com2026-07-27 → 2026-08-11 · 2 obs
● 2026-07-27 06:07:48
● 2026-08-11 02:52:38
● 2026-08-11 02:52:38
●NSns8.alidns.com2026-07-27 → 2026-08-11 · 2 obs
● 2026-07-27 06:07:48
● 2026-08-11 02:52:38
● 2026-08-11 02:52:38
●CNAMEbzqt6nvm.139hao.com2026-07-27 → 2026-08-11 · 2 obs
● 2026-07-27 06:07:48
● 2026-08-11 02:52:38
● 2026-08-11 02:52:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | c.dns.tw, f.dns.tw, h.dns.tw, b.dns.tw... | - |
| 49519.tw | ns8.alidns.com, ns7.alidns.com | - |
✅ Authoritative Response
Server:139.224.142.118
NS records: ns8.alidns.com, ns7.alidns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 49519.tw (unsigned zone)
⏱️ Timing
Total: 1550ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns7.alidns.com, ns8.alidns.com |
| CNAME | 1 | bzqt6nvm.139hao.com |
| SOA | 1 | ns7.alidns.com hostmaster.hichina.com |
Analysis
IP Addresses
49519.tw resolves to the IP addresses 20.205.128.190 and 172.188.31.170
awgzcqy6.n.139hao.com and v4fqeyu3.n.139hao.com, along with other host names, share IP addresses with 49519.tw.