changthink.cn - robtex.com
changthink.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3034::ac43:ced1🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:2aae🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.42.174Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.206.209🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | nelci.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:2698🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nelci.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c298🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | nelci.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2298🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | nelci.ns.cloudflare.com | ||||||
| A | 108.162.194.152🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nelci.ns.cloudflare.com | ||||||
| A | 162.159.38.152Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nelci.ns.cloudflare.com | ||||||
| A | 172.64.34.152🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nelci.ns.cloudflare.com | ||||||
| NS | zahir.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c91🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zahir.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c391🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | zahir.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2391🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | zahir.ns.cloudflare.com | ||||||
| A | 108.162.195.145🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zahir.ns.cloudflare.com | ||||||
| A | 162.159.44.145Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zahir.ns.cloudflare.com | ||||||
| A | 172.64.35.145🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zahir.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.42.174, 172.67.206.209 | ||||||
| IPv6 hints | 2606:4700:3034::ac43:ced1, 2606:4700:3035::6815:2aae | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=24, name=cloudflare-ech.com | ||||||
| SOA | nelci.ns.cloudflare.comdns@cloudflare.com serial=2399951620 | ||||||
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=2034665867 | ||||||
Same first word
changthink.cn |
DNS History
6 records (6 active, 0 former)
●NSnelci.ns.cloudflare.com2026-03-31 → 2026-04-13 · 2 obs
● 2026-04-13 10:22:38
●NSzahir.ns.cloudflare.com2026-03-31 → 2026-04-13 · 2 obs
● 2026-04-13 10:22:38
●A104.21.42.1742026-03-31 → 2026-04-13 · 2 obs
● 2026-04-13 10:22:38
●A172.67.206.2092026-03-31 → 2026-04-13 · 2 obs
● 2026-04-13 10:22:38
●A2606:4700:3034::ac43:ced12026-03-31 → 2026-04-13 · 2 obs
● 2026-04-13 10:22:38
●A2606:4700:3035::6815:2aae2026-03-31 → 2026-04-13 · 2 obs
● 2026-04-13 10:22:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| changthink.cn | nelci.ns.cloudflare.com, zahir.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.195.145
NS records: nelci.ns.cloudflare.com, zahir.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for changthink.cn (unsigned zone)
⏱️ Timing
Total: 733ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.42.174, 172.67.206.209 |
| AAAA | 2 | 2606:4700:3034::ac43:ced1, 2606:4700:3035::6815:2aae |
| NS | 2 | nelci.ns.cloudflare.com, zahir.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | nelci.ns.cloudflare.com dns.cloudflare.c |
Analysis
IP Addresses
changthink.cn maps to four IP numbers: 2606:4700:3034::ac43:ced1, 2606:4700:3035::6815:2aae, 104.21.42.174 and 172.67.206.209.
Other host names such as catsxy.com, tjyldgg.com.cn, eocobvnrfxglueeker8yqlyb.haosenpaper.com, www.appelhot.com and sevgilitadinda.com share IPs with changthink.cn.
Name Servers
Two name servers nelci.ns.cloudflare.com and zahir.ns.cloudflare.com handle the delegation for changthink.cn.
changthink.cn shares the same name server setup as other domains, for example eegvisor.com, retocaribe.com, filepoch.com, beerider.com and nggb.cn.
changthink.cn at least partially shares name servers with other domains, for example agennaga.info, tuchina.org, vseved.net, mdigem.com and dg1688.com.
these name servers are commonly used alongside fattouche.ns.cloudflare.com name servers.
Host names with six IP numbers:
nelci.ns.cloudflare.com points to 2606:4700:50::a29f:2698, 2803:f800:50::6ca2:c298, 2a06:98c1:50::ac40:2298, 108.162.194.152, 162.159.38.152 and 172.64.34.152.
zahir.ns.cloudflare.com points to 2606:4700:58::a29f:2c91, 2803:f800:50::6ca2:c391, 2a06:98c1:50::ac40:2391, 108.162.195.145, 162.159.44.145 and 172.64.35.145.