chd.edu.cn - robtex.com

chd.edu.cn

DNSSEC⚠️ Not signed
A202.117.66.253πŸ‡¨πŸ‡³ ERX-CERNET-BKB202.117.64.0/20 CMI (Customer Route)
NSns.chd.edu.cn ⭐
NSdns1.chd.edu.cn
A2001:250:1005::1πŸ‡¨πŸ‡³ CNGI-XA-IX-AS-AP2001:250:1005::/48
A202.117.64.1πŸ‡¨πŸ‡³ ERX-CERNET-BKB202.117.64.0/24 CMI (Customer Route)
NSdns2.chd.edu.cn
A2001:250:1005:8::1πŸ‡¨πŸ‡³ CNGI-XA-IX-AS-AP2001:250:1005::/48
A218.195.56.1πŸ‡¨πŸ‡³ ERX-CERNET-BKB218.195.56.0/24 CMI (Customer Route)
PTRdns2.chd.edu.cn
MXhzmx01.mxmail.netease.com ⭐
A47.251.71.119πŸ‡ΊπŸ‡Έ Alibaba-Cloud47.251.0.0/17 Proxy-registered route object
PTRip-47-251-71-119.defastlink.net
A47.251.84.126πŸ‡ΊπŸ‡Έ Alibaba-Cloud47.251.0.0/17 Proxy-registered route object
PTRip-47-251-84-126.defastlink.net
MXhzmx02.mxmail.netease.com(10)
A47.251.71.119πŸ‡ΊπŸ‡Έ Alibaba-Cloud47.251.0.0/17 Proxy-registered route object
PTRip-47-251-71-119.defastlink.net
A47.251.84.126πŸ‡ΊπŸ‡Έ Alibaba-Cloud47.251.0.0/17 Proxy-registered route object
PTRip-47-251-84-126.defastlink.net
MXmxhm.qiye.163.com(15)
A103.126.92.241πŸ‡­πŸ‡° NETEASEHONGKONGLINITED-1103.126.92.0/23 HONGKONG NETEASE INTERACTIVE ENTERTAINMENT LIMITED Unit 802, 8th Floor, Chuang's Tower, 30-32 Connaught Road Central
PTRmail-m92241.xmail.ntesmail.com
A103.126.92.242πŸ‡­πŸ‡° NETEASEHONGKONGLINITED-1103.126.92.0/23 HONGKONG NETEASE INTERACTIVE ENTERTAINMENT LIMITED Unit 802, 8th Floor, Chuang's Tower, 30-32 Connaught Road Central
PTRmail-m92242.xmail.ntesmail.com
TXTglobalsign-domain-verification=JwCJGhdvqWeOf-ihfoPobRXpJp_m48E-9C78fF7ALe
TXTglobalsign-domain-verification=rBpAd-P5ucvtL5ONF0_rPy4W3ujjirWeac5vwJOxzC
TXTv=spf1 include:spf.163.com -all
SOAns.chd.edu.cnmail@chd.edu.cn serial=20192583

edu.cn

DNSSEC⚠️ Not signed
NSdns2.edu.cn ⭐
NSdns.edu.cn
NSdns3.edu.cn
NSns2.cernet.net
NSns4.cernet.net
NSns5.cernet.net
SOAdns.edu.cnhostmaster@net.edu.cn 2026-02-26 #22
rank #62729 globally
rank #1281 in the tld
WOT: SAFE (60/100)
πŸ“ˆ Tranco rank: #102,978
WOT: SAFE (85/100)

Up

Same first word

Similar names

DNS History

10 records (7 active, 3 former)

2008201020122014201620182020202220242026NSdns1.chd.edu.cndns2.chd.edu.cnns.chd.edu.cndns.chd.edu.cnMXhzmx01.mxmail.netease.comhzmx02.mxmail.netease.commxhm.qiye.163.commail.chd.edu.cnA202.117.66.253202.117.64.152
β—‹NSdns.chd.edu.cn2015-08-04 β†’ 2016-09-05 Β· 5 obs
β—‹ 2007-08-29 06:18:20
● 2015-08-04 21:13:10
● 2016-09-05 18:12:34
β—‹ 2016-12-24 05:16:00
β—‹ 2026-02-27 01:47:48
●NSdns1.chd.edu.cn2016-12-24 β†’ 2026-02-27 Β· 6 obs
β—‹ 2016-09-05 18:12:34
● 2016-12-24 05:16:00
● 2017-06-01 04:53:46
β—‹ 2017-06-16 13:39:20
● 2017-07-07 09:11:42
● 2026-02-27 01:47:48
●NSdns2.chd.edu.cn2007-08-29 β†’ 2026-02-27 Β· 5 obs
● 2007-08-29 06:18:20
β—‹ 2015-08-04 21:13:10
β—‹ 2016-09-05 18:12:34
● 2016-12-24 05:16:00
● 2026-02-27 01:47:48
●NSns.chd.edu.cn2017-06-16 β†’ 2026-02-27 Β· 3 obs
β—‹ 2017-06-01 04:53:46
● 2017-06-16 13:39:20
● 2026-02-27 01:47:48
●MXhzmx01.mxmail.netease.com2017-07-07 β†’ 2026-02-27 Β· 3 obs
β—‹ 2016-02-17 21:15:02
● 2017-07-07 09:11:42
● 2026-02-27 01:47:48
●MXhzmx02.mxmail.netease.com2017-07-07 β†’ 2026-02-27 Β· 3 obs
β—‹ 2016-02-17 21:15:02
● 2017-07-07 09:11:42
● 2026-02-27 01:47:48
β—‹MXmail.chd.edu.cn2007-08-29 β†’ 2015-12-30 Β· 4 obs
● 2007-08-29 06:18:20
● 2015-12-30 16:18:56
β—‹ 2016-02-17 21:15:02
β—‹ 2026-02-27 01:47:48
●MXmxhm.qiye.163.com2016-02-17 β†’ 2026-02-27 Β· 3 obs
β—‹ 2015-12-30 16:18:56
● 2016-02-17 21:15:02
● 2026-02-27 01:47:48
β—‹A202.117.64.1522017-07-07 β†’ 2017-07-07 Β· 3 obs
● 2017-07-07 09:11:42
β—‹ 2026-02-14 20:07:12
β—‹ 2026-02-27 01:47:48
●A202.117.66.2532026-02-14 β†’ 2026-02-27 Β· 3 obs
β—‹ 2017-07-07 09:11:42
● 2026-02-14 20:07:12
● 2026-02-27 01:47:48

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
cna.dns.cn, e.dns.cn, c.dns.cn, d.dns.cn...-
edu.cndns.edu.cn, ns2.cernet.net, ns4.cernet.net, ns5.cernet.net...6 records
chd.edu.cndns2.chd.edu.cn, dns1.chd.edu.cn4 records

βœ… Authoritative Response

Server: 218.195.56.1

NS records: dns2.chd.edu.cn, dns1.chd.edu.cn

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for chd.edu.cn (unsigned zone)

⏱️ Timing

Total: 2185ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A1202.117.66.253
NS2dns1.chd.edu.cn, dns2.chd.edu.cn
MX3hzmx02.mxmail.netease.com (pri: 10), hzmx01.mxmail.netease.com (pri: 5)...
TXT3globalsign-domain-verification=JwCJGhdvq, v=spf1 include:spf.163.com -all...
SOA1ns.chd.edu.cn mail.chd.edu.cn

πŸ“Œ Glue Records Collected

Total: 10

In-bailiwick: 10 (dns.edu.cn, dns.edu.cn, dns2.edu.cn...)

AI analysis

chd.edu.cn is a parent of www.chd.edu.cn, hq.chd.edu.cn, dcxy.chd.edu.cn, lxsy.chd.edu.cn and geoe.chd.edu.cn, plus a few other host names.

chd.edu.cn resolves to one IP number: 202.117.66.253.

Other host names, for instance news.chd.edu.cn, xahu.edu.cn and www.chd.edu.cn share IP numbers with chd.edu.cn.

chd.edu.cn is delegated to three name servers: dns1.chd.edu.cn, dns2.chd.edu.cn and ns.chd.edu.cn.

Host names with two IPs:

dns1.chd.edu.cn points to 2001:250:1005::1 and 202.117.64.1

dns2.chd.edu.cn points to 2001:250:1005:8::1 and 218.195.56.1

Three mail servers handle chd.edu.cn: mxhm.qiye.163.com, hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.

chd.edu.cn shares at least some mail servers with other domains, for example gooob.com, landespcb.com, dz8.com.cn, jlcia.com and yijiang.cn.

Host names with two IPs:

mxhm.qiye.163.com points to 103.126.92.241 and 103.126.92.242.

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.