gdc.edu.cn - robtex.com

gdc.edu.cn

DNSSEC⚠️ Not signed
NSns1.gdc.edu.cn ⭐
A39.166.164.67🇨🇳 CMNET-Jiangxi-AP39.166.160.0/19 CMI (Customer Route)
A42.247.31.248🇨🇳 ERX-CERNET-BKB42.247.0.0/19
A59.53.98.131🇨🇳 CHINANET-BACKBONE59.52.0.0/14 China Telecom Network
NSns2.gdc.edu.cn
A39.166.164.67🇨🇳 CMNET-Jiangxi-AP39.166.160.0/19 CMI (Customer Route)
A42.247.31.248🇨🇳 ERX-CERNET-BKB42.247.0.0/19
A59.53.98.131🇨🇳 CHINANET-BACKBONE59.52.0.0/14 China Telecom Network
NSns3.gdc.edu.cn
A42.247.31.248🇨🇳 ERX-CERNET-BKB42.247.0.0/19
MXhzmx01.mxmail.netease.com ⭐
A47.251.71.119🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object
A47.251.84.126🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object
MXhzmx02.mxmail.netease.com(10)
A47.251.71.119🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object
A47.251.84.126🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object
TXTv=spf1 include:spf.163.com -all
SOAns1.gdc.edu.cnsupport@wodcloud.cn serial=20230921

edu.cn

DNSSEC⚠️ Not signed
NSdns2.edu.cn ⭐
NSdns.edu.cn
NSdns3.edu.cn
NSns2.cernet.net ⚠️ Not in parent delegation
NSns4.cernet.net ⚠️ Not in parent delegation
NSns5.cernet.net ⚠️ Not in parent delegation
SOAdns.edu.cnhostmaster@net.edu.cn 2026-04-23 #19
WOT: SAFE (85/100)

Subdomains

ns3.gdc.edu.cn
ns2.gdc.edu.cn
ns1.gdc.edu.cn

Same first word

gdc.gov.sg
gdc.cl
gdc.net
gdc.tokyo
gdc.by
gdc.monster
gdc.in
gdc.am
gdc.co.id
gdc.com.mx
gdc.ind.br
gdc.com.ua
gdc.com.br
gdc.cn
gdc.com.vn
gdc.name
gdc.ph
gdc.eu
gdc.net.cn
gdc.design
gdc.org.tw
gdc.ca
gdc.gov.jo
gdc.com.tw
gdc.cloud
gdc.psi.br
gdc.net.nz
gdc.se
gdc.io
gdc.be
gdc.ie
gdc.or.kr
gdc.ru
gdc.ro
gdc.coop
gdc.gob.ve
gdc.nu
gdc.de
gdc.net.br
gdc.pl
gdc.mobi
gdc.no
gdc.co.ke
gdc.cz
gdc.lt
gdc.gr
gdc.ch
gdc.vn
gdc.go.ke
gdc.rs
gdc.govt.nz
gdc.biz
gdc.com.hk
gdc.agency
gdc.com.ar
gdc.srv.br
gdc.me
gdc.com
gdc.edu.cn
gdc.co.il
gdc.es
gdc.it
gdc.com.fj
gdc.net.pl
gdc.at
gdc.travel
gdc.us

Similar names

cgd.dk
dgc.app
cdg.co.uk
dgc.co.nz
gcd.ch
dgc.qa
cdg.ky
cgd.in
dcg.cc
dcg.sa
cdg.com
cgd.net
dgc.jp
dcg.media
dgc.gr
cdg.icu
cdg.cc
cgd.ch
cdg.ie
dgc.at
cdg.marketing
dcg.com.vn
gcd.org
gcd.com.au
cgd.com.tr
cdg.vn
dcg.pl
dcg.com.ph
dgc.me
dcg.se
dcg.org
cdg.cloud
cgd.io
cdg.co
dgc.gov.la
gcd.in
cdg.at
gcd.info
cgd.lu
cgd.us
gcd.pl
dgc.id.au
dcg.es
cdg.host
gcd.co.in
gcd.tech
dgc.eu
dcg.de
dcg.academy
cgd.be
gcd.me
cdg.de
cdg.gr
gcd.mx
dcg.training
dgc.se
cgd.org.br
cgd.cz
cdg.org.br
cdg.ch
dcg.com
cgd.pt
dcg.at
gcd.net
dcg.guide
cdg.fr
cgd.nl
gcd.de
cgd.li
dgc.hu
dcg.one
dcg.co.kr
cdg.al
cgd.no
dcg.institute
cdg.la
cdg.co.jp
dcg.com.br
dcg.wroclaw.pl
gcd.co
dcg.ac.uk
dgc.gov.it
cgd.com.br

DNS History

5 records (5 active, 0 former)

NSns1.gdc.edu.cnns2.gdc.edu.cnns3.gdc.edu.cnMXhzmx01.mxmail.netease.comhzmx02.mxmail.netease.com
●NSns1.gdc.edu.cn2026-04-07 → 2026-04-23 · 2 obs
● 2026-04-07 13:49:16
● 2026-04-23 21:34:48
●NSns2.gdc.edu.cn2026-04-07 → 2026-04-23 · 2 obs
● 2026-04-07 13:49:16
● 2026-04-23 21:34:48
●NSns3.gdc.edu.cn2026-04-07 → 2026-04-23 · 2 obs
● 2026-04-07 13:49:16
● 2026-04-23 21:34:48
●MXhzmx01.mxmail.netease.com2026-04-07 → 2026-04-23 · 2 obs
● 2026-04-07 13:49:16
● 2026-04-23 21:34:48
●MXhzmx02.mxmail.netease.com2026-04-07 → 2026-04-23 · 2 obs
● 2026-04-07 13:49:16
● 2026-04-23 21:34:48

🔍 DNS Trace

Analysis

Hierarchy

The parent of ns3.gdc.edu.cn, ns2.gdc.edu.cn and ns1.gdc.edu.cn is gdc.edu.cn.

Name Servers

gdc.edu.cn is delegated to three name servers ns1.gdc.edu.cn, ns2.gdc.edu.cn and ns3.gdc.edu.cn.

Host names with three IPs:

ns1.gdc.edu.cn points to 39.166.164.67, 42.247.31.248 and 59.53.98.131.

ns2.gdc.edu.cn points to 39.166.164.67, 42.247.31.248 and 59.53.98.131.

Host names with one IP:

ns3.gdc.edu.cn points to 42.247.31.248.

Host names that point to 39.166.164.67: ns1.gdc.edu.cn and ns2.gdc.edu.cn.

Host names that point to 42.247.31.248: ns1.gdc.edu.cn, ns2.gdc.edu.cn and ns3.gdc.edu.cn.

Host names that point to 59.53.98.131: ns1.gdc.edu.cn and ns2.gdc.edu.cn.

Mail Servers

gdc.edu.cn is handled by two mail servers: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.

gdc.edu.cn uses the same mail server setup as other domains, for instance xruitech.com, julybambu.com, autenf.com, idea-group.cn and conwell.cc.

gdc.edu.cn shares at least some mail servers with other domains, including bohua2000.com and kingcans.com.

Host names with two IP numbers:

hzmx01.mxmail.netease.com points to 47.251.71.119 and 47.251.84.126

hzmx02.mxmail.netease.com points to 47.251.71.119 and 47.251.84.126

Names pointing to 47.251.71.119: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com

Names pointing to 47.251.84.126: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com