twschool.cn - robtex.com
twschool.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.share-dns.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | a9.share-dns.com ⚠️ Not in parent delegation | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b.share-dns.net ⚠️ Not in zone NS records | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b9.share-dns.net ⚠️ Not in parent delegation | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
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=2034673944 | ||||||
Same first word
Similar names
DNS History
7 records (4 active, 3 former)
●NSa.share-dns.com2026-04-15 → 2026-04-15 · 2 obs
● 2026-04-15 16:04:36
●NSa9.share-dns.com2026-04-15 → 2026-04-15 · 2 obs
● 2026-04-15 16:04:36
●NSb.share-dns.net2026-04-15 → 2026-04-15 · 2 obs
● 2026-04-15 16:04:36
●NSb9.share-dns.net2026-04-15 → 2026-04-15 · 2 obs
● 2026-04-15 16:04:36
○NSns11.xincache.com2018-11-26 → 2018-11-26 · 2 obs
○ 2026-04-15 16:04:36
○NSns12.xincache.com2018-11-26 → 2018-11-26 · 2 obs
○ 2026-04-15 16:04:36
○A47.94.237.2232018-11-26 → 2018-11-26 · 2 obs
○ 2026-04-15 16:04:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, d.dns.cn, c.dns.cn, b.dns.cn... | - |
| twschool.cn | a9.share-dns.com, b9.share-dns.net | - |
✅ Authoritative Response
Server:172.64.52.239
NS records: a9.share-dns.com, b9.share-dns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for twschool.cn (unsigned zone)
⏱️ Timing
Total: 1120ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | a.share-dns.com, b.share-dns.net |
Analysis
Name Servers
twschool.cn delegates to four name servers: a9.share-dns.com, a.share-dns.com, b9.share-dns.net and b.share-dns.net.
twschool.cn at least partially shares name servers with other domains, for instance fashionmall666.com, lxcybz.com, wanzy.cn, granollerstv.com and yrmcn.com.
these name servers are commonly used with a10.share-dns.com, b10.share-dns.net, a12.share-dns.com, b12.share-dns.net, a3.share-dns.com, b3.share-dns.net, a8.share-dns.com, b8.share-dns.net, a2.share-dns.com and b2.share-dns.net.
Hostnames with one IP:
a9.share-dns.com resolves to 172.64.53.25.
a.share-dns.com resolves to 172.64.53.25.
b9.share-dns.net resolves to 172.64.52.239.
b.share-dns.net resolves to 172.64.52.239.
Hostnames resolving to 172.64.53.25: a9.share-dns.com and a.share-dns.com.
Hostnames resolving to 172.64.52.239: b9.share-dns.net and b.share-dns.net.