studyhut.cn - robtex.com
studyhut.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:c6c6🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:2236🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.34.54Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.198.198🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | danica.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:26bb🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | danica.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2bb🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | danica.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22bb🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | danica.ns.cloudflare.com | ||||||
| A | 108.162.194.187🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | danica.ns.cloudflare.com | ||||||
| A | 162.159.38.187Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | danica.ns.cloudflare.com | ||||||
| A | 172.64.34.187🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | danica.ns.cloudflare.com | ||||||
| NS | ganz.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c28🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ganz.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c328🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | ganz.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2328🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | ganz.ns.cloudflare.com | ||||||
| A | 108.162.195.40🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ganz.ns.cloudflare.com | ||||||
| A | 162.159.44.40Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ganz.ns.cloudflare.com | ||||||
| A | 172.64.35.40🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ganz.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.34.54, 172.67.198.198 | ||||||
| IPv6 | 2606:4700:3031::ac43:c6c6, 2606:4700:3035::6815:2236 | ||||||
| SOA | danica.ns.cloudflare.comdns@cloudflare.com serial=2396988871 | ||||||
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=2034582638 | ||||||
Same first word
DNS History
6 records (6 active, 0 former)
●NSdanica.ns.cloudflare.com2026-03-19 → 2026-03-24 · 2 obs
● 2026-03-24 16:32:58
●NSganz.ns.cloudflare.com2026-03-19 → 2026-03-24 · 2 obs
● 2026-03-24 16:32:58
●A104.21.34.542026-03-19 → 2026-03-24 · 2 obs
● 2026-03-24 16:32:58
●A172.67.198.1982026-03-19 → 2026-03-24 · 2 obs
● 2026-03-24 16:32:58
●A2606:4700:3031::ac43:c6c62026-03-19 → 2026-03-24 · 2 obs
● 2026-03-24 16:32:58
●A2606:4700:3035::6815:22362026-03-19 → 2026-03-24 · 2 obs
● 2026-03-24 16:32:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| studyhut.cn | ganz.ns.cloudflare.com, danica.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.38.187
NS records: ganz.ns.cloudflare.com, danica.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studyhut.cn (unsigned zone)
⏱️ Timing
Total: 859ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.34.54, 172.67.198.198 |
| AAAA | 2 | 2606:4700:3035::6815:2236, 2606:4700:3031::ac43:c6c6 |
| NS | 2 | danica.ns.cloudflare.com, ganz.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | danica.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
studyhut.cn points to four IP numbers: 2606:4700:3031::ac43:c6c6, 2606:4700:3035::6815:2236, 104.21.34.54 and 172.67.198.198.
Other host names, for instance scmg.com.au, qzgcsj.com, cryptonewsus.com, depopid-verify.world and mypbi.com share IP numbers with studyhut.cn.
Name Servers
studyhut.cn is delegated to two name servers: danica.ns.cloudflare.com and ganz.ns.cloudflare.com.
studyhut.cn uses the same name server setup as other domains, for instance szparking24.com, laibahuo.com, hnyykjmy.com, tsxtjt.com and eooaqtbha.com.
studyhut.cn shares name servers with other domains at least partially, for instance oldergrandma.com, multiip.net, 1188bidwell.com, bardawil-qatar.com and mqpuer.com.
these name servers are commonly used together with natasha.ns.cloudflare.com and pablo.ns.cloudflare.com.
Host names with six IP numbers: danica.ns.cloudflare.com points to 2606:4700:50::a29f:26bb, 2803:f800:50::6ca2:c2bb, 2a06:98c1:50::ac40:22bb, 108.162.194.187, 162.159.38.187 and 172.64.34.187; ganz.ns.cloudflare.com points to 2606:4700:58::a29f:2c28, 2803:f800:50::6ca2:c328, 2a06:98c1:50::ac40:2328, 108.162.195.40, 162.159.44.40 and 172.64.35.40.