ctdf.org.cn - robtex.com

ctdf.org.cn

DNSSEC⚠️ Not signed
A202.205.179.199🇨🇳 ERX-CERNET-BKB202.205.176.0/20
NSdns23.hichina.com ⭐
A2408:4009:501::31🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.40🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.60🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.200🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.220🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.40🇨🇳 Alibaba-Cloud120.76.0.0/17
A120.76.107.60🇨🇳 Alibaba-Cloud120.76.0.0/17
A139.224.142.100🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
A139.224.142.110🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
NSdns24.hichina.com
A2408:4009:501::32🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.38🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.61🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.198🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.222🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.38🇨🇳 Alibaba-Cloud120.76.0.0/17
A120.76.107.61🇨🇳 Alibaba-Cloud120.76.0.0/17
A139.224.142.98🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
A139.224.142.108🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
SOAdns23.hichina.comhostmaster@hichina.com 2026-01-12 #9

org.cn

DNSSEC⚠️ Not signed
NSa.dns.cn ⭐ ⚠️ Not in parent delegation
NSb.dns.cn ⚠️ Not in parent delegation
NSc.dns.cn ⚠️ Not in parent delegation
NScns.cernet.net ⚠️ Not in parent delegation
NSd.dns.cn ⚠️ Not in parent delegation
NSe.dns.cn ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2027879392
WOT: SAFE (27/100)

Same first word

ctdf.cn
ctdf.org
ctdf.org.cn

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DNS History

3 records (3 active, 0 former)

NSdns23.hichina.comdns24.hichina.comA202.205.179.199
●NSdns23.hichina.com2026-06-24 → 2026-07-18 · 2 obs
● 2026-06-24 03:19:04
● 2026-07-18 03:43:22
●NSdns24.hichina.com2026-06-24 → 2026-07-18 · 2 obs
● 2026-06-24 03:19:04
● 2026-07-18 03:43:22
●A202.205.179.1992026-06-24 → 2026-07-18 · 2 obs
● 2026-06-24 03:19:04
● 2026-07-18 03:43:22

🔍 DNS Trace

Analysis

IP Addresses

ctdf.org.cn resolves to just one IP address, 202.205.179.199.

Two other host names, along with eduthink.com.cn, onsgep.moe.edu.cn and js.moe.edu.cn, also share IP numbers with ctdf.org.cn.

Name Servers

ctdf.org.cn uses two name servers for its delegation: dns23.hichina.com and dns24.hichina.com.

ctdf.org.cn shares its NS records with other domains, for example catkin.me, huiway.net, fxycn.com and two others.

The name servers of ctdf.org.cn overlap at least partially with those of other domains — among them ipstar.net, ydtr.cn, hkmdna.com and two more.

These name servers commonly co-occur with the name servers expirens3.hichina.com, expirens4.hichina.com, ns2.alidns.com and ns1.alidns.com.

DNS names with 9 IP addresses:

Hostname dns23.hichina.com directs to 39.96.153.40, 39.96.153.60 and 47.118.199.200 along with 6 other IP addresses.

Hostname dns24.hichina.com directs to 39.96.153.38, 39.96.153.61 and 47.118.199.198 along with 6 other IP addresses.