tw-tools.cn - robtex.com
tw-tools.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 154.215.203.247🇭🇰 HDHK154.215.192.0/20 Proxy-registered route object | ||||||
| NS | ns1.julydns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns1.judns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.judns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.julydns.com ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | ns1.julydns.commaster@jmdns.com serial=1773820699 | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2034710733 | ||||||
rank #15487 in the tld
Same first word
tw-tools.cn |
DNS History
6 records (5 active, 1 former)
●NSns1.julydns.com2026-02-27 → 2026-04-25 · 2 obs
● 2026-04-25 11:49:12
●NSns2.julydns.com2026-02-27 → 2026-04-25 · 2 obs
● 2026-04-25 11:49:12
●A154.215.203.2472026-04-11 → 2026-04-25 · 3 obs
● 2026-04-11 17:18:16
● 2026-04-25 11:49:12
○A154.215.203.2542026-02-27 → 2026-02-27 · 3 obs
○ 2026-04-11 17:18:16
○ 2026-04-25 11:49:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| tw-tools.cn | ns1.judns.com, ns2.judns.com | - |
✅ Authoritative Response
Server:162.159.27.251
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tw-tools.cn (unsigned zone)
⏱️ Timing
Total: 1600ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 154.215.203.247 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
IP Addresses
tw-tools.cn points to a single IP number: 154.215.203.247.
Other host names, for instance bktdy.cn, share IP numbers with tw-tools.cn.
Name Servers
tw-tools.cn is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
tw-tools.cn shares name servers with other domains at least partially, for instance kouzao.com, hdagu.cn, xwcwx.com, whjyyt.com and sdxinyun.com.
Host names with one IP number:
ns1.judns.com points to: 162.159.27.251.
ns2.judns.com points to: 162.159.27.251.
ns1.julydns.com points to: 162.159.48.223.
ns2.julydns.com points to: 162.159.48.223.
Host names pointing to 162.159.27.251: ns1.judns.com and ns2.judns.com.
Host names pointing to 162.159.48.223: ns1.julydns.com and ns2.julydns.com.